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Starts a hyperparameter tuning job. A hyperparameter tuning job finds the best version of a model by running many training jobs on your dataset using the algorithm you choose and values for hyperparameters within ranges that you specify. It then chooses the hyperparameter values that result in a model that performs the best, as measured by an objective metric that you choose.
A hyperparameter tuning job automatically creates Amazon SageMaker experiments, trials, and trial components for each training job that it runs. You can view these entities in Amazon SageMaker Studio. For more information, see View Experiments, Trials, and Trial Components .
See also: AWS API Documentation
create-hyper-parameter-tuning-job
--hyper-parameter-tuning-job-name <value>
--hyper-parameter-tuning-job-config <value>
[--training-job-definition <value>]
[--training-job-definitions <value>]
[--warm-start-config <value>]
[--tags <value>]
[--autotune <value>]
[--cli-input-json <value>]
[--generate-cli-skeleton <value>]
[--debug]
[--endpoint-url <value>]
[--no-verify-ssl]
[--no-paginate]
[--output <value>]
[--query <value>]
[--profile <value>]
[--region <value>]
[--version <value>]
[--color <value>]
[--no-sign-request]
[--ca-bundle <value>]
[--cli-read-timeout <value>]
[--cli-connect-timeout <value>]
--hyper-parameter-tuning-job-name
(string)
The name of the tuning job. This name is the prefix for the names of all training jobs that this tuning job launches. The name must be unique within the same Amazon Web Services account and Amazon Web Services Region. The name must have 1 to 32 characters. Valid characters are a-z, A-Z, 0-9, and : + = @ _ % - (hyphen). The name is not case sensitive.
--hyper-parameter-tuning-job-config
(structure)
The HyperParameterTuningJobConfig object that describes the tuning job, including the search strategy, the objective metric used to evaluate training jobs, ranges of parameters to search, and resource limits for the tuning job. For more information, see How Hyperparameter Tuning Works .
Strategy -> (string)
Specifies how hyperparameter tuning chooses the combinations of hyperparameter values to use for the training job it launches. For information about search strategies, see How Hyperparameter Tuning Works .StrategyConfig -> (structure)
The configuration for the
Hyperband
optimization strategy. This parameter should be provided only ifHyperband
is selected as the strategy forHyperParameterTuningJobConfig
.HyperbandStrategyConfig -> (structure)
The configuration for the object that specifies the
Hyperband
strategy. This parameter is only supported for theHyperband
selection forStrategy
within theHyperParameterTuningJobConfig
API.MinResource -> (integer)
The minimum number of resources (such as epochs) that can be used by a training job launched by a hyperparameter tuning job. If the value forMinResource
has not been reached, the training job is not stopped byHyperband
.MaxResource -> (integer)
The maximum number of resources (such as epochs) that can be used by a training job launched by a hyperparameter tuning job. Once a job reaches the
MaxResource
value, it is stopped. If a value forMaxResource
is not provided, andHyperband
is selected as the hyperparameter tuning strategy,HyperbandTraining
attempts to inferMaxResource
from the following keys (if present) in StaticsHyperParameters :
epochs
numepochs
n-epochs
n_epochs
num_epochs
If
HyperbandStrategyConfig
is unable to infer a value forMaxResource
, it generates a validation error. The maximum value is 20,000 epochs. All metrics that correspond to an objective metric are used to derive early stopping decisions . For distributed training jobs, ensure that duplicate metrics are not printed in the logs across the individual nodes in a training job. If multiple nodes are publishing duplicate or incorrect metrics, training jobs may make an incorrect stopping decision and stop the job prematurely.HyperParameterTuningJobObjective -> (structure)
The HyperParameterTuningJobObjective specifies the objective metric used to evaluate the performance of training jobs launched by this tuning job.
Type -> (string)
Whether to minimize or maximize the objective metric.MetricName -> (string)
The name of the metric to use for the objective metric.ResourceLimits -> (structure)
The ResourceLimits object that specifies the maximum number of training and parallel training jobs that can be used for this hyperparameter tuning job.
MaxNumberOfTrainingJobs -> (integer)
The maximum number of training jobs that a hyperparameter tuning job can launch.MaxParallelTrainingJobs -> (integer)
The maximum number of concurrent training jobs that a hyperparameter tuning job can launch.MaxRuntimeInSeconds -> (integer)
The maximum time in seconds that a hyperparameter tuning job can run.ParameterRanges -> (structure)
The ParameterRanges object that specifies the ranges of hyperparameters that this tuning job searches over to find the optimal configuration for the highest model performance against your chosen objective metric.
IntegerParameterRanges -> (list)
The array of IntegerParameterRange objects that specify ranges of integer hyperparameters that a hyperparameter tuning job searches.
(structure)
For a hyperparameter of the integer type, specifies the range that a hyperparameter tuning job searches.
Name -> (string)
The name of the hyperparameter to search.MinValue -> (string)
The minimum value of the hyperparameter to search.MaxValue -> (string)
The maximum value of the hyperparameter to search.ScalingType -> (string)
The scale that hyperparameter tuning uses to search the hyperparameter range. For information about choosing a hyperparameter scale, see Hyperparameter Scaling . One of the following values:
AutoSageMaker hyperparameter tuning chooses the best scale for the hyperparameter.
LinearHyperparameter tuning searches the values in the hyperparameter range by using a linear scale.
LogarithmicHyperparameter tuning searches the values in the hyperparameter range by using a logarithmic scale.
Logarithmic scaling works only for ranges that have only values greater than 0.
ContinuousParameterRanges -> (list)
The array of ContinuousParameterRange objects that specify ranges of continuous hyperparameters that a hyperparameter tuning job searches.
(structure)
A list of continuous hyperparameters to tune.
Name -> (string)
The name of the continuous hyperparameter to tune.MinValue -> (string)
The minimum value for the hyperparameter. The tuning job uses floating-point values between this value andMaxValue
for tuning.MaxValue -> (string)
The maximum value for the hyperparameter. The tuning job uses floating-point values betweenMinValue
value and this value for tuning.ScalingType -> (string)
The scale that hyperparameter tuning uses to search the hyperparameter range. For information about choosing a hyperparameter scale, see Hyperparameter Scaling . One of the following values:
AutoSageMaker hyperparameter tuning chooses the best scale for the hyperparameter.
LinearHyperparameter tuning searches the values in the hyperparameter range by using a linear scale.
LogarithmicHyperparameter tuning searches the values in the hyperparameter range by using a logarithmic scale.
Logarithmic scaling works only for ranges that have only values greater than 0.
ReverseLogarithmicHyperparameter tuning searches the values in the hyperparameter range by using a reverse logarithmic scale.
Reverse logarithmic scaling works only for ranges that are entirely within the range 0<=x<1.0.
CategoricalParameterRanges -> (list)
The array of CategoricalParameterRange objects that specify ranges of categorical hyperparameters that a hyperparameter tuning job searches.
(structure)
A list of categorical hyperparameters to tune.
Name -> (string)
The name of the categorical hyperparameter to tune.Values -> (list)
A list of the categories for the hyperparameter.
(string)
AutoParameters -> (list)
A list containing hyperparameter names and example values to be used by Autotune to determine optimal ranges for your tuning job.
(structure)
The name and an example value of the hyperparameter that you want to use in Autotune. If Automatic model tuning (AMT) determines that your hyperparameter is eligible for Autotune, an optimal hyperparameter range is selected for you.
Name -> (string)
The name of the hyperparameter to optimize using Autotune.ValueHint -> (string)
An example value of the hyperparameter to optimize using Autotune.TrainingJobEarlyStoppingType -> (string)
Specifies whether to use early stopping for training jobs launched by the hyperparameter tuning job. Because the
Hyperband
strategy has its own advanced internal early stopping mechanism,TrainingJobEarlyStoppingType
must beOFF
to useHyperband
. This parameter can take on one of the following values (the default value isOFF
):OFFTraining jobs launched by the hyperparameter tuning job do not use early stopping.
AUTOSageMaker stops training jobs launched by the hyperparameter tuning job when they are unlikely to perform better than previously completed training jobs. For more information, see Stop Training Jobs Early .
TuningJobCompletionCriteria -> (structure)
The tuning job's completion criteria.
TargetObjectiveMetricValue -> (float)
The value of the objective metric.BestObjectiveNotImproving -> (structure)
A flag to stop your hyperparameter tuning job if model performance fails to improve as evaluated against an objective function.
MaxNumberOfTrainingJobsNotImproving -> (integer)
The number of training jobs that have failed to improve model performance by 1% or greater over prior training jobs as evaluated against an objective function.ConvergenceDetected -> (structure)
A flag to top your hyperparameter tuning job if automatic model tuning (AMT) has detected that your model has converged as evaluated against your objective function.
CompleteOnConvergence -> (string)
A flag to stop a tuning job once AMT has detected that the job has converged.RandomSeed -> (integer)
A value used to initialize a pseudo-random number generator. Setting a random seed and using the same seed later for the same tuning job will allow hyperparameter optimization to find more a consistent hyperparameter configuration between the two runs.
JSON Syntax:
{
"Strategy": "Bayesian"|"Random"|"Hyperband"|"Grid",
"StrategyConfig": {
"HyperbandStrategyConfig": {
"MinResource": integer,
"MaxResource": integer
}
},
"HyperParameterTuningJobObjective": {
"Type": "Maximize"|"Minimize",
"MetricName": "string"
},
"ResourceLimits": {
"MaxNumberOfTrainingJobs": integer,
"MaxParallelTrainingJobs": integer,
"MaxRuntimeInSeconds": integer
},
"ParameterRanges": {
"IntegerParameterRanges": [
{
"Name": "string",
"MinValue": "string",
"MaxValue": "string",
"ScalingType": "Auto"|"Linear"|"Logarithmic"|"ReverseLogarithmic"
}
...
],
"ContinuousParameterRanges": [
{
"Name": "string",
"MinValue": "string",
"MaxValue": "string",
"ScalingType": "Auto"|"Linear"|"Logarithmic"|"ReverseLogarithmic"
}
...
],
"CategoricalParameterRanges": [
{
"Name": "string",
"Values": ["string", ...]
}
...
],
"AutoParameters": [
{
"Name": "string",
"ValueHint": "string"
}
...
]
},
"TrainingJobEarlyStoppingType": "Off"|"Auto",
"TuningJobCompletionCriteria": {
"TargetObjectiveMetricValue": float,
"BestObjectiveNotImproving": {
"MaxNumberOfTrainingJobsNotImproving": integer
},
"ConvergenceDetected": {
"CompleteOnConvergence": "Disabled"|"Enabled"
}
},
"RandomSeed": integer
}
--training-job-definition
(structure)
The HyperParameterTrainingJobDefinition object that describes the training jobs that this tuning job launches, including static hyperparameters, input data configuration, output data configuration, resource configuration, and stopping condition.
DefinitionName -> (string)
The job definition name.TuningObjective -> (structure)
Defines the objective metric for a hyperparameter tuning job. Hyperparameter tuning uses the value of this metric to evaluate the training jobs it launches, and returns the training job that results in either the highest or lowest value for this metric, depending on the value you specify for the
Type
parameter. If you want to define a custom objective metric, see Define metrics and environment variables .Type -> (string)
Whether to minimize or maximize the objective metric.MetricName -> (string)
The name of the metric to use for the objective metric.HyperParameterRanges -> (structure)
Specifies ranges of integer, continuous, and categorical hyperparameters that a hyperparameter tuning job searches. The hyperparameter tuning job launches training jobs with hyperparameter values within these ranges to find the combination of values that result in the training job with the best performance as measured by the objective metric of the hyperparameter tuning job.
Note
The maximum number of items specified forArray Members
refers to the maximum number of hyperparameters for each range and also the maximum for the hyperparameter tuning job itself. That is, the sum of the number of hyperparameters for all the ranges can't exceed the maximum number specified.IntegerParameterRanges -> (list)
The array of IntegerParameterRange objects that specify ranges of integer hyperparameters that a hyperparameter tuning job searches.
(structure)
For a hyperparameter of the integer type, specifies the range that a hyperparameter tuning job searches.
Name -> (string)
The name of the hyperparameter to search.MinValue -> (string)
The minimum value of the hyperparameter to search.MaxValue -> (string)
The maximum value of the hyperparameter to search.ScalingType -> (string)
The scale that hyperparameter tuning uses to search the hyperparameter range. For information about choosing a hyperparameter scale, see Hyperparameter Scaling . One of the following values:
AutoSageMaker hyperparameter tuning chooses the best scale for the hyperparameter.
LinearHyperparameter tuning searches the values in the hyperparameter range by using a linear scale.
LogarithmicHyperparameter tuning searches the values in the hyperparameter range by using a logarithmic scale.
Logarithmic scaling works only for ranges that have only values greater than 0.
ContinuousParameterRanges -> (list)
The array of ContinuousParameterRange objects that specify ranges of continuous hyperparameters that a hyperparameter tuning job searches.
(structure)
A list of continuous hyperparameters to tune.
Name -> (string)
The name of the continuous hyperparameter to tune.MinValue -> (string)
The minimum value for the hyperparameter. The tuning job uses floating-point values between this value andMaxValue
for tuning.MaxValue -> (string)
The maximum value for the hyperparameter. The tuning job uses floating-point values betweenMinValue
value and this value for tuning.ScalingType -> (string)
The scale that hyperparameter tuning uses to search the hyperparameter range. For information about choosing a hyperparameter scale, see Hyperparameter Scaling . One of the following values:
AutoSageMaker hyperparameter tuning chooses the best scale for the hyperparameter.
LinearHyperparameter tuning searches the values in the hyperparameter range by using a linear scale.
LogarithmicHyperparameter tuning searches the values in the hyperparameter range by using a logarithmic scale.
Logarithmic scaling works only for ranges that have only values greater than 0.
ReverseLogarithmicHyperparameter tuning searches the values in the hyperparameter range by using a reverse logarithmic scale.
Reverse logarithmic scaling works only for ranges that are entirely within the range 0<=x<1.0.
CategoricalParameterRanges -> (list)
The array of CategoricalParameterRange objects that specify ranges of categorical hyperparameters that a hyperparameter tuning job searches.
(structure)
A list of categorical hyperparameters to tune.
Name -> (string)
The name of the categorical hyperparameter to tune.Values -> (list)
A list of the categories for the hyperparameter.
(string)
AutoParameters -> (list)
A list containing hyperparameter names and example values to be used by Autotune to determine optimal ranges for your tuning job.
(structure)
The name and an example value of the hyperparameter that you want to use in Autotune. If Automatic model tuning (AMT) determines that your hyperparameter is eligible for Autotune, an optimal hyperparameter range is selected for you.
Name -> (string)
The name of the hyperparameter to optimize using Autotune.ValueHint -> (string)
An example value of the hyperparameter to optimize using Autotune.StaticHyperParameters -> (map)
Specifies the values of hyperparameters that do not change for the tuning job.
key -> (string)
value -> (string)
AlgorithmSpecification -> (structure)
The HyperParameterAlgorithmSpecification object that specifies the resource algorithm to use for the training jobs that the tuning job launches.
TrainingImage -> (string)
The registry path of the Docker image that contains the training algorithm. For information about Docker registry paths for built-in algorithms, see Algorithms Provided by Amazon SageMaker: Common Parameters . SageMaker supports bothregistry/repository[:tag]
andregistry/repository[@digest]
image path formats. For more information, see Using Your Own Algorithms with Amazon SageMaker .TrainingInputMode -> (string)
The training input mode that the algorithm supports. For more information about input modes, see Algorithms .
Pipe modeIf an algorithm supports
Pipe
mode, Amazon SageMaker streams data directly from Amazon S3 to the container.File modeIf an algorithm supports
File
mode, SageMaker downloads the training data from S3 to the provisioned ML storage volume, and mounts the directory to the Docker volume for the training container.You must provision the ML storage volume with sufficient capacity to accommodate the data downloaded from S3. In addition to the training data, the ML storage volume also stores the output model. The algorithm container uses the ML storage volume to also store intermediate information, if any.
For distributed algorithms, training data is distributed uniformly. Your training duration is predictable if the input data objects sizes are approximately the same. SageMaker does not split the files any further for model training. If the object sizes are skewed, training won't be optimal as the data distribution is also skewed when one host in a training cluster is overloaded, thus becoming a bottleneck in training.
FastFile modeIf an algorithm supports
FastFile
mode, SageMaker streams data directly from S3 to the container with no code changes, and provides file system access to the data. Users can author their training script to interact with these files as if they were stored on disk.FastFile
mode works best when the data is read sequentially. Augmented manifest files aren't supported. The startup time is lower when there are fewer files in the S3 bucket provided.AlgorithmName -> (string)
The name of the resource algorithm to use for the hyperparameter tuning job. If you specify a value for this parameter, do not specify a value forTrainingImage
.MetricDefinitions -> (list)
An array of MetricDefinition objects that specify the metrics that the algorithm emits.
(structure)
Specifies a metric that the training algorithm writes to
stderr
orstdout
. You can view these logs to understand how your training job performs and check for any errors encountered during training. SageMaker hyperparameter tuning captures all defined metrics. Specify one of the defined metrics to use as an objective metric using the TuningObjective parameter in theHyperParameterTrainingJobDefinition
API to evaluate job performance during hyperparameter tuning.Name -> (string)
The name of the metric.Regex -> (string)
A regular expression that searches the output of a training job and gets the value of the metric. For more information about using regular expressions to define metrics, see Defining metrics and environment variables .RoleArn -> (string)
The Amazon Resource Name (ARN) of the IAM role associated with the training jobs that the tuning job launches.InputDataConfig -> (list)
An array of Channel objects that specify the input for the training jobs that the tuning job launches.
(structure)
A channel is a named input source that training algorithms can consume.
ChannelName -> (string)
The name of the channel.DataSource -> (structure)
The location of the channel data.
S3DataSource -> (structure)
The S3 location of the data source that is associated with a channel.
S3DataType -> (string)
If you choose
S3Prefix
,S3Uri
identifies a key name prefix. SageMaker uses all objects that match the specified key name prefix for model training.If you choose
ManifestFile
,S3Uri
identifies an object that is a manifest file containing a list of object keys that you want SageMaker to use for model training.If you choose
AugmentedManifestFile
, S3Uri identifies an object that is an augmented manifest file in JSON lines format. This file contains the data you want to use for model training.AugmentedManifestFile
can only be used if the Channel's input mode isPipe
.S3Uri -> (string)
Depending on the value specified for the
S3DataType
, identifies either a key name prefix or a manifest. For example:
- A key name prefix might look like this:
s3://bucketname/exampleprefix/
- A manifest might look like this:
s3://bucketname/example.manifest
A manifest is an S3 object which is a JSON file consisting of an array of elements. The first element is a prefix which is followed by one or more suffixes. SageMaker appends the suffix elements to the prefix to get a full set ofS3Uri
. Note that the prefix must be a valid non-emptyS3Uri
that precludes users from specifying a manifest whose individualS3Uri
is sourced from different S3 buckets. The following code example shows a valid manifest format:[ {"prefix": "s3://customer_bucket/some/prefix/"},
"relative/path/to/custdata-1",
"relative/path/custdata-2",
...
"relative/path/custdata-N"
]
This JSON is equivalent to the followingS3Uri
list:s3://customer_bucket/some/prefix/relative/path/to/custdata-1
s3://customer_bucket/some/prefix/relative/path/custdata-2
...
s3://customer_bucket/some/prefix/relative/path/custdata-N
The complete set ofS3Uri
in this manifest is the input data for the channel for this data source. The object that eachS3Uri
points to must be readable by the IAM role that SageMaker uses to perform tasks on your behalf.Your input bucket must be located in same Amazon Web Services region as your training job.
S3DataDistributionType -> (string)
If you want SageMaker to replicate the entire dataset on each ML compute instance that is launched for model training, specify
FullyReplicated
.If you want SageMaker to replicate a subset of data on each ML compute instance that is launched for model training, specify
ShardedByS3Key
. If there are n ML compute instances launched for a training job, each instance gets approximately 1/n of the number of S3 objects. In this case, model training on each machine uses only the subset of training data.Don't choose more ML compute instances for training than available S3 objects. If you do, some nodes won't get any data and you will pay for nodes that aren't getting any training data. This applies in both File and Pipe modes. Keep this in mind when developing algorithms.
In distributed training, where you use multiple ML compute EC2 instances, you might choose
ShardedByS3Key
. If the algorithm requires copying training data to the ML storage volume (whenTrainingInputMode
is set toFile
), this copies 1/n of the number of objects.AttributeNames -> (list)
A list of one or more attribute names to use that are found in a specified augmented manifest file.
(string)
InstanceGroupNames -> (list)
A list of names of instance groups that get data from the S3 data source.
(string)
FileSystemDataSource -> (structure)
The file system that is associated with a channel.
FileSystemId -> (string)
The file system id.FileSystemAccessMode -> (string)
The access mode of the mount of the directory associated with the channel. A directory can be mounted either inro
(read-only) orrw
(read-write) mode.FileSystemType -> (string)
The file system type.DirectoryPath -> (string)
The full path to the directory to associate with the channel.ContentType -> (string)
The MIME type of the data.CompressionType -> (string)
If training data is compressed, the compression type. The default value isNone
.CompressionType
is used only in Pipe input mode. In File mode, leave this field unset or set it to None.RecordWrapperType -> (string)
Specify RecordIO as the value when input data is in raw format but the training algorithm requires the RecordIO format. In this case, SageMaker wraps each individual S3 object in a RecordIO record. If the input data is already in RecordIO format, you don't need to set this attribute. For more information, see Create a Dataset Using RecordIO .
In File mode, leave this field unset or set it to None.
InputMode -> (string)
(Optional) The input mode to use for the data channel in a training job. If you don't set a value for
InputMode
, SageMaker uses the value set forTrainingInputMode
. Use this parameter to override theTrainingInputMode
setting in a AlgorithmSpecification request when you have a channel that needs a different input mode from the training job's general setting. To download the data from Amazon Simple Storage Service (Amazon S3) to the provisioned ML storage volume, and mount the directory to a Docker volume, useFile
input mode. To stream data directly from Amazon S3 to the container, choosePipe
input mode.To use a model for incremental training, choose
File
input model.ShuffleConfig -> (structure)
A configuration for a shuffle option for input data in a channel. If you use
S3Prefix
forS3DataType
, this shuffles the results of the S3 key prefix matches. If you useManifestFile
, the order of the S3 object references in theManifestFile
is shuffled. If you useAugmentedManifestFile
, the order of the JSON lines in theAugmentedManifestFile
is shuffled. The shuffling order is determined using theSeed
value.For Pipe input mode, shuffling is done at the start of every epoch. With large datasets this ensures that the order of the training data is different for each epoch, it helps reduce bias and possible overfitting. In a multi-node training job when ShuffleConfig is combined with
S3DataDistributionType
ofShardedByS3Key
, the data is shuffled across nodes so that the content sent to a particular node on the first epoch might be sent to a different node on the second epoch.Seed -> (long)
Determines the shuffling order inShuffleConfig
value.VpcConfig -> (structure)
The VpcConfig object that specifies the VPC that you want the training jobs that this hyperparameter tuning job launches to connect to. Control access to and from your training container by configuring the VPC. For more information, see Protect Training Jobs by Using an Amazon Virtual Private Cloud .
SecurityGroupIds -> (list)
The VPC security group IDs, in the form
sg-xxxxxxxx
. Specify the security groups for the VPC that is specified in theSubnets
field.(string)
Subnets -> (list)
The ID of the subnets in the VPC to which you want to connect your training job or model. For information about the availability of specific instance types, see Supported Instance Types and Availability Zones .
(string)
OutputDataConfig -> (structure)
Specifies the path to the Amazon S3 bucket where you store model artifacts from the training jobs that the tuning job launches.
KmsKeyId -> (string)
The Amazon Web Services Key Management Service (Amazon Web Services KMS) key that SageMaker uses to encrypt the model artifacts at rest using Amazon S3 server-side encryption. The
KmsKeyId
can be any of the following formats:
- // KMS Key ID
"1234abcd-12ab-34cd-56ef-1234567890ab"
- // Amazon Resource Name (ARN) of a KMS Key
"arn:aws:kms:us-west-2:111122223333:key/1234abcd-12ab-34cd-56ef-1234567890ab"
- // KMS Key Alias
"alias/ExampleAlias"
- // Amazon Resource Name (ARN) of a KMS Key Alias
"arn:aws:kms:us-west-2:111122223333:alias/ExampleAlias"
If you use a KMS key ID or an alias of your KMS key, the SageMaker execution role must include permissions to call
kms:Encrypt
. If you don't provide a KMS key ID, SageMaker uses the default KMS key for Amazon S3 for your role's account. For more information, see KMS-Managed Encryption Keys in the Amazon Simple Storage Service Developer Guide . If the output data is stored in Amazon S3 Express One Zone, it is encrypted with server-side encryption with Amazon S3 managed keys (SSE-S3). KMS key is not supported for Amazon S3 Express One ZoneThe KMS key policy must grant permission to the IAM role that you specify in your
CreateTrainingJob
,CreateTransformJob
, orCreateHyperParameterTuningJob
requests. For more information, see Using Key Policies in Amazon Web Services KMS in the Amazon Web Services Key Management Service Developer Guide .S3OutputPath -> (string)
Identifies the S3 path where you want SageMaker to store the model artifacts. For example,s3://bucket-name/key-name-prefix
.CompressionType -> (string)
The model output compression type. SelectNone
to output an uncompressed model, recommended for large model outputs. Defaults to gzip.ResourceConfig -> (structure)
The resources, including the compute instances and storage volumes, to use for the training jobs that the tuning job launches.
Storage volumes store model artifacts and incremental states. Training algorithms might also use storage volumes for scratch space. If you want SageMaker to use the storage volume to store the training data, choose
File
as theTrainingInputMode
in the algorithm specification. For distributed training algorithms, specify an instance count greater than 1.Note
If you want to use hyperparameter optimization with instance type flexibility, useHyperParameterTuningResourceConfig
instead.InstanceType -> (string)
The ML compute instance type.
Note
SageMaker Training on Amazon Elastic Compute Cloud (EC2) P4de instances is in preview release starting December 9th, 2022.
Amazon EC2 P4de instances (currently in preview) are powered by 8 NVIDIA A100 GPUs with 80GB high-performance HBM2e GPU memory, which accelerate the speed of training ML models that need to be trained on large datasets of high-resolution data. In this preview release, Amazon SageMaker supports ML training jobs on P4de instances (ml.p4de.24xlarge
) to reduce model training time. Theml.p4de.24xlarge
instances are available in the following Amazon Web Services Regions.
- US East (N. Virginia) (us-east-1)
- US West (Oregon) (us-west-2)
To request quota limit increase and start using P4de instances, contact the SageMaker Training service team through your account team.
InstanceCount -> (integer)
The number of ML compute instances to use. For distributed training, provide a value greater than 1.VolumeSizeInGB -> (integer)
The size of the ML storage volume that you want to provision.
ML storage volumes store model artifacts and incremental states. Training algorithms might also use the ML storage volume for scratch space. If you want to store the training data in the ML storage volume, choose
File
as theTrainingInputMode
in the algorithm specification.When using an ML instance with NVMe SSD volumes , SageMaker doesn't provision Amazon EBS General Purpose SSD (gp2) storage. Available storage is fixed to the NVMe-type instance's storage capacity. SageMaker configures storage paths for training datasets, checkpoints, model artifacts, and outputs to use the entire capacity of the instance storage. For example, ML instance families with the NVMe-type instance storage include
ml.p4d
,ml.g4dn
, andml.g5
.When using an ML instance with the EBS-only storage option and without instance storage, you must define the size of EBS volume through
VolumeSizeInGB
in theResourceConfig
API. For example, ML instance families that use EBS volumes includeml.c5
andml.p2
.To look up instance types and their instance storage types and volumes, see Amazon EC2 Instance Types .
To find the default local paths defined by the SageMaker training platform, see Amazon SageMaker Training Storage Folders for Training Datasets, Checkpoints, Model Artifacts, and Outputs .
VolumeKmsKeyId -> (string)
The Amazon Web Services KMS key that SageMaker uses to encrypt data on the storage volume attached to the ML compute instance(s) that run the training job.
Note
Certain Nitro-based instances include local storage, dependent on the instance type. Local storage volumes are encrypted using a hardware module on the instance. You can't request a
VolumeKmsKeyId
when using an instance type with local storage.For a list of instance types that support local instance storage, see Instance Store Volumes .
For more information about local instance storage encryption, see SSD Instance Store Volumes .
The
VolumeKmsKeyId
can be in any of the following formats:
- // KMS Key ID
"1234abcd-12ab-34cd-56ef-1234567890ab"
- // Amazon Resource Name (ARN) of a KMS Key
"arn:aws:kms:us-west-2:111122223333:key/1234abcd-12ab-34cd-56ef-1234567890ab"
KeepAlivePeriodInSeconds -> (integer)
The duration of time in seconds to retain configured resources in a warm pool for subsequent training jobs.InstanceGroups -> (list)
The configuration of a heterogeneous cluster in JSON format.
(structure)
Defines an instance group for heterogeneous cluster training. When requesting a training job using the CreateTrainingJob API, you can configure multiple instance groups .
InstanceType -> (string)
Specifies the instance type of the instance group.InstanceCount -> (integer)
Specifies the number of instances of the instance group.InstanceGroupName -> (string)
Specifies the name of the instance group.HyperParameterTuningResourceConfig -> (structure)
The configuration for the hyperparameter tuning resources, including the compute instances and storage volumes, used for training jobs launched by the tuning job. By default, storage volumes hold model artifacts and incremental states. Choose
File
forTrainingInputMode
in theAlgorithmSpecification
parameter to additionally store training data in the storage volume (optional).InstanceType -> (string)
The instance type used to run hyperparameter optimization tuning jobs. See descriptions of instance types for more information.InstanceCount -> (integer)
The number of compute instances of typeInstanceType
to use. For distributed training , select a value greater than 1.VolumeSizeInGB -> (integer)
The volume size in GB for the storage volume to be used in processing hyperparameter optimization jobs (optional). These volumes store model artifacts, incremental states and optionally, scratch space for training algorithms. Do not provide a value for this parameter if a value for
InstanceConfigs
is also specified.Some instance types have a fixed total local storage size. If you select one of these instances for training,
VolumeSizeInGB
cannot be greater than this total size. For a list of instance types with local instance storage and their sizes, see instance store volumes .Note
SageMaker supports only the General Purpose SSD (gp2) storage volume type.VolumeKmsKeyId -> (string)
A key used by Amazon Web Services Key Management Service to encrypt data on the storage volume attached to the compute instances used to run the training job. You can use either of the following formats to specify a key.
KMS Key ID:
"1234abcd-12ab-34cd-56ef-1234567890ab"
Amazon Resource Name (ARN) of a KMS key:
"arn:aws:kms:us-west-2:111122223333:key/1234abcd-12ab-34cd-56ef-1234567890ab"
Some instances use local storage, which use a hardware module to encrypt storage volumes. If you choose one of these instance types, you cannot request a
VolumeKmsKeyId
. For a list of instance types that use local storage, see instance store volumes . For more information about Amazon Web Services Key Management Service, see KMS encryption for more information.AllocationStrategy -> (string)
The strategy that determines the order of preference for resources specified inInstanceConfigs
used in hyperparameter optimization.InstanceConfigs -> (list)
A list containing the configuration(s) for one or more resources for processing hyperparameter jobs. These resources include compute instances and storage volumes to use in model training jobs launched by hyperparameter tuning jobs. The
AllocationStrategy
controls the order in which multiple configurations provided inInstanceConfigs
are used.Note
If you only want to use a single instance configuration inside theHyperParameterTuningResourceConfig
API, do not provide a value forInstanceConfigs
. Instead, useInstanceType
,VolumeSizeInGB
andInstanceCount
. If you useInstanceConfigs
, do not provide values forInstanceType
,VolumeSizeInGB
orInstanceCount
.(structure)
The configuration for hyperparameter tuning resources for use in training jobs launched by the tuning job. These resources include compute instances and storage volumes. Specify one or more compute instance configurations and allocation strategies to select resources (optional).
InstanceType -> (string)
The instance type used for processing of hyperparameter optimization jobs. Choose from general purpose (no GPUs) instance types: ml.m5.xlarge, ml.m5.2xlarge, and ml.m5.4xlarge or compute optimized (no GPUs) instance types: ml.c5.xlarge and ml.c5.2xlarge. For more information about instance types, see instance type descriptions .InstanceCount -> (integer)
The number of instances of the type specified byInstanceType
. Choose an instance count larger than 1 for distributed training algorithms. See Step 2: Launch a SageMaker Distributed Training Job Using the SageMaker Python SDK for more information.VolumeSizeInGB -> (integer)
The volume size in GB of the data to be processed for hyperparameter optimization (optional).StoppingCondition -> (structure)
Specifies a limit to how long a model hyperparameter training job can run. It also specifies how long a managed spot training job has to complete. When the job reaches the time limit, SageMaker ends the training job. Use this API to cap model training costs.
MaxRuntimeInSeconds -> (integer)
The maximum length of time, in seconds, that a training or compilation job can run before it is stopped.
For compilation jobs, if the job does not complete during this time, a
TimeOut
error is generated. We recommend starting with 900 seconds and increasing as necessary based on your model.For all other jobs, if the job does not complete during this time, SageMaker ends the job. When
RetryStrategy
is specified in the job request,MaxRuntimeInSeconds
specifies the maximum time for all of the attempts in total, not each individual attempt. The default value is 1 day. The maximum value is 28 days.The maximum time that a
TrainingJob
can run in total, including any time spent publishing metrics or archiving and uploading models after it has been stopped, is 30 days.MaxWaitTimeInSeconds -> (integer)
The maximum length of time, in seconds, that a managed Spot training job has to complete. It is the amount of time spent waiting for Spot capacity plus the amount of time the job can run. It must be equal to or greater than
MaxRuntimeInSeconds
. If the job does not complete during this time, SageMaker ends the job.When
RetryStrategy
is specified in the job request,MaxWaitTimeInSeconds
specifies the maximum time for all of the attempts in total, not each individual attempt.MaxPendingTimeInSeconds -> (integer)
The maximum length of time, in seconds, that a training or compilation job can be pending before it is stopped.EnableNetworkIsolation -> (boolean)
Isolates the training container. No inbound or outbound network calls can be made, except for calls between peers within a training cluster for distributed training. If network isolation is used for training jobs that are configured to use a VPC, SageMaker downloads and uploads customer data and model artifacts through the specified VPC, but the training container does not have network access.EnableInterContainerTrafficEncryption -> (boolean)
To encrypt all communications between ML compute instances in distributed training, chooseTrue
. Encryption provides greater security for distributed training, but training might take longer. How long it takes depends on the amount of communication between compute instances, especially if you use a deep learning algorithm in distributed training.EnableManagedSpotTraining -> (boolean)
A Boolean indicating whether managed spot training is enabled (True
) or not (False
).CheckpointConfig -> (structure)
Contains information about the output location for managed spot training checkpoint data.
S3Uri -> (string)
Identifies the S3 path where you want SageMaker to store checkpoints. For example,s3://bucket-name/key-name-prefix
.LocalPath -> (string)
(Optional) The local directory where checkpoints are written. The default directory is/opt/ml/checkpoints/
.RetryStrategy -> (structure)
The number of times to retry the job when the job fails due to an
InternalServerError
.MaximumRetryAttempts -> (integer)
The number of times to retry the job. When the job is retried, it'sSecondaryStatus
is changed toSTARTING
.Environment -> (map)
An environment variable that you can pass into the SageMaker CreateTrainingJob API. You can use an existing environment variable from the training container or use your own. See Define metrics and variables for more information.
Note
The maximum number of items specified forMap Entries
refers to the maximum number of environment variables for eachTrainingJobDefinition
and also the maximum for the hyperparameter tuning job itself. That is, the sum of the number of environment variables for all the training job definitions can't exceed the maximum number specified.key -> (string)
value -> (string)
JSON Syntax:
{
"DefinitionName": "string",
"TuningObjective": {
"Type": "Maximize"|"Minimize",
"MetricName": "string"
},
"HyperParameterRanges": {
"IntegerParameterRanges": [
{
"Name": "string",
"MinValue": "string",
"MaxValue": "string",
"ScalingType": "Auto"|"Linear"|"Logarithmic"|"ReverseLogarithmic"
}
...
],
"ContinuousParameterRanges": [
{
"Name": "string",
"MinValue": "string",
"MaxValue": "string",
"ScalingType": "Auto"|"Linear"|"Logarithmic"|"ReverseLogarithmic"
}
...
],
"CategoricalParameterRanges": [
{
"Name": "string",
"Values": ["string", ...]
}
...
],
"AutoParameters": [
{
"Name": "string",
"ValueHint": "string"
}
...
]
},
"StaticHyperParameters": {"string": "string"
...},
"AlgorithmSpecification": {
"TrainingImage": "string",
"TrainingInputMode": "Pipe"|"File"|"FastFile",
"AlgorithmName": "string",
"MetricDefinitions": [
{
"Name": "string",
"Regex": "string"
}
...
]
},
"RoleArn": "string",
"InputDataConfig": [
{
"ChannelName": "string",
"DataSource": {
"S3DataSource": {
"S3DataType": "ManifestFile"|"S3Prefix"|"AugmentedManifestFile",
"S3Uri": "string",
"S3DataDistributionType": "FullyReplicated"|"ShardedByS3Key",
"AttributeNames": ["string", ...],
"InstanceGroupNames": ["string", ...]
},
"FileSystemDataSource": {
"FileSystemId": "string",
"FileSystemAccessMode": "rw"|"ro",
"FileSystemType": "EFS"|"FSxLustre",
"DirectoryPath": "string"
}
},
"ContentType": "string",
"CompressionType": "None"|"Gzip",
"RecordWrapperType": "None"|"RecordIO",
"InputMode": "Pipe"|"File"|"FastFile",
"ShuffleConfig": {
"Seed": long
}
}
...
],
"VpcConfig": {
"SecurityGroupIds": ["string", ...],
"Subnets": ["string", ...]
},
"OutputDataConfig": {
"KmsKeyId": "string",
"S3OutputPath": "string",
"CompressionType": "GZIP"|"NONE"
},
"ResourceConfig": {
"InstanceType": "ml.m4.xlarge"|"ml.m4.2xlarge"|"ml.m4.4xlarge"|"ml.m4.10xlarge"|"ml.m4.16xlarge"|"ml.g4dn.xlarge"|"ml.g4dn.2xlarge"|"ml.g4dn.4xlarge"|"ml.g4dn.8xlarge"|"ml.g4dn.12xlarge"|"ml.g4dn.16xlarge"|"ml.m5.large"|"ml.m5.xlarge"|"ml.m5.2xlarge"|"ml.m5.4xlarge"|"ml.m5.12xlarge"|"ml.m5.24xlarge"|"ml.c4.xlarge"|"ml.c4.2xlarge"|"ml.c4.4xlarge"|"ml.c4.8xlarge"|"ml.p2.xlarge"|"ml.p2.8xlarge"|"ml.p2.16xlarge"|"ml.p3.2xlarge"|"ml.p3.8xlarge"|"ml.p3.16xlarge"|"ml.p3dn.24xlarge"|"ml.p4d.24xlarge"|"ml.p4de.24xlarge"|"ml.p5.48xlarge"|"ml.c5.xlarge"|"ml.c5.2xlarge"|"ml.c5.4xlarge"|"ml.c5.9xlarge"|"ml.c5.18xlarge"|"ml.c5n.xlarge"|"ml.c5n.2xlarge"|"ml.c5n.4xlarge"|"ml.c5n.9xlarge"|"ml.c5n.18xlarge"|"ml.g5.xlarge"|"ml.g5.2xlarge"|"ml.g5.4xlarge"|"ml.g5.8xlarge"|"ml.g5.16xlarge"|"ml.g5.12xlarge"|"ml.g5.24xlarge"|"ml.g5.48xlarge"|"ml.trn1.2xlarge"|"ml.trn1.32xlarge"|"ml.trn1n.32xlarge"|"ml.m6i.large"|"ml.m6i.xlarge"|"ml.m6i.2xlarge"|"ml.m6i.4xlarge"|"ml.m6i.8xlarge"|"ml.m6i.12xlarge"|"ml.m6i.16xlarge"|"ml.m6i.24xlarge"|"ml.m6i.32xlarge"|"ml.c6i.xlarge"|"ml.c6i.2xlarge"|"ml.c6i.8xlarge"|"ml.c6i.4xlarge"|"ml.c6i.12xlarge"|"ml.c6i.16xlarge"|"ml.c6i.24xlarge"|"ml.c6i.32xlarge"|"ml.r5d.large"|"ml.r5d.xlarge"|"ml.r5d.2xlarge"|"ml.r5d.4xlarge"|"ml.r5d.8xlarge"|"ml.r5d.12xlarge"|"ml.r5d.16xlarge"|"ml.r5d.24xlarge"|"ml.t3.medium"|"ml.t3.large"|"ml.t3.xlarge"|"ml.t3.2xlarge"|"ml.r5.large"|"ml.r5.xlarge"|"ml.r5.2xlarge"|"ml.r5.4xlarge"|"ml.r5.8xlarge"|"ml.r5.12xlarge"|"ml.r5.16xlarge"|"ml.r5.24xlarge",
"InstanceCount": integer,
"VolumeSizeInGB": integer,
"VolumeKmsKeyId": "string",
"KeepAlivePeriodInSeconds": integer,
"InstanceGroups": [
{
"InstanceType": "ml.m4.xlarge"|"ml.m4.2xlarge"|"ml.m4.4xlarge"|"ml.m4.10xlarge"|"ml.m4.16xlarge"|"ml.g4dn.xlarge"|"ml.g4dn.2xlarge"|"ml.g4dn.4xlarge"|"ml.g4dn.8xlarge"|"ml.g4dn.12xlarge"|"ml.g4dn.16xlarge"|"ml.m5.large"|"ml.m5.xlarge"|"ml.m5.2xlarge"|"ml.m5.4xlarge"|"ml.m5.12xlarge"|"ml.m5.24xlarge"|"ml.c4.xlarge"|"ml.c4.2xlarge"|"ml.c4.4xlarge"|"ml.c4.8xlarge"|"ml.p2.xlarge"|"ml.p2.8xlarge"|"ml.p2.16xlarge"|"ml.p3.2xlarge"|"ml.p3.8xlarge"|"ml.p3.16xlarge"|"ml.p3dn.24xlarge"|"ml.p4d.24xlarge"|"ml.p4de.24xlarge"|"ml.p5.48xlarge"|"ml.c5.xlarge"|"ml.c5.2xlarge"|"ml.c5.4xlarge"|"ml.c5.9xlarge"|"ml.c5.18xlarge"|"ml.c5n.xlarge"|"ml.c5n.2xlarge"|"ml.c5n.4xlarge"|"ml.c5n.9xlarge"|"ml.c5n.18xlarge"|"ml.g5.xlarge"|"ml.g5.2xlarge"|"ml.g5.4xlarge"|"ml.g5.8xlarge"|"ml.g5.16xlarge"|"ml.g5.12xlarge"|"ml.g5.24xlarge"|"ml.g5.48xlarge"|"ml.trn1.2xlarge"|"ml.trn1.32xlarge"|"ml.trn1n.32xlarge"|"ml.m6i.large"|"ml.m6i.xlarge"|"ml.m6i.2xlarge"|"ml.m6i.4xlarge"|"ml.m6i.8xlarge"|"ml.m6i.12xlarge"|"ml.m6i.16xlarge"|"ml.m6i.24xlarge"|"ml.m6i.32xlarge"|"ml.c6i.xlarge"|"ml.c6i.2xlarge"|"ml.c6i.8xlarge"|"ml.c6i.4xlarge"|"ml.c6i.12xlarge"|"ml.c6i.16xlarge"|"ml.c6i.24xlarge"|"ml.c6i.32xlarge"|"ml.r5d.large"|"ml.r5d.xlarge"|"ml.r5d.2xlarge"|"ml.r5d.4xlarge"|"ml.r5d.8xlarge"|"ml.r5d.12xlarge"|"ml.r5d.16xlarge"|"ml.r5d.24xlarge"|"ml.t3.medium"|"ml.t3.large"|"ml.t3.xlarge"|"ml.t3.2xlarge"|"ml.r5.large"|"ml.r5.xlarge"|"ml.r5.2xlarge"|"ml.r5.4xlarge"|"ml.r5.8xlarge"|"ml.r5.12xlarge"|"ml.r5.16xlarge"|"ml.r5.24xlarge",
"InstanceCount": integer,
"InstanceGroupName": "string"
}
...
]
},
"HyperParameterTuningResourceConfig": {
"InstanceType": "ml.m4.xlarge"|"ml.m4.2xlarge"|"ml.m4.4xlarge"|"ml.m4.10xlarge"|"ml.m4.16xlarge"|"ml.g4dn.xlarge"|"ml.g4dn.2xlarge"|"ml.g4dn.4xlarge"|"ml.g4dn.8xlarge"|"ml.g4dn.12xlarge"|"ml.g4dn.16xlarge"|"ml.m5.large"|"ml.m5.xlarge"|"ml.m5.2xlarge"|"ml.m5.4xlarge"|"ml.m5.12xlarge"|"ml.m5.24xlarge"|"ml.c4.xlarge"|"ml.c4.2xlarge"|"ml.c4.4xlarge"|"ml.c4.8xlarge"|"ml.p2.xlarge"|"ml.p2.8xlarge"|"ml.p2.16xlarge"|"ml.p3.2xlarge"|"ml.p3.8xlarge"|"ml.p3.16xlarge"|"ml.p3dn.24xlarge"|"ml.p4d.24xlarge"|"ml.p4de.24xlarge"|"ml.p5.48xlarge"|"ml.c5.xlarge"|"ml.c5.2xlarge"|"ml.c5.4xlarge"|"ml.c5.9xlarge"|"ml.c5.18xlarge"|"ml.c5n.xlarge"|"ml.c5n.2xlarge"|"ml.c5n.4xlarge"|"ml.c5n.9xlarge"|"ml.c5n.18xlarge"|"ml.g5.xlarge"|"ml.g5.2xlarge"|"ml.g5.4xlarge"|"ml.g5.8xlarge"|"ml.g5.16xlarge"|"ml.g5.12xlarge"|"ml.g5.24xlarge"|"ml.g5.48xlarge"|"ml.trn1.2xlarge"|"ml.trn1.32xlarge"|"ml.trn1n.32xlarge"|"ml.m6i.large"|"ml.m6i.xlarge"|"ml.m6i.2xlarge"|"ml.m6i.4xlarge"|"ml.m6i.8xlarge"|"ml.m6i.12xlarge"|"ml.m6i.16xlarge"|"ml.m6i.24xlarge"|"ml.m6i.32xlarge"|"ml.c6i.xlarge"|"ml.c6i.2xlarge"|"ml.c6i.8xlarge"|"ml.c6i.4xlarge"|"ml.c6i.12xlarge"|"ml.c6i.16xlarge"|"ml.c6i.24xlarge"|"ml.c6i.32xlarge"|"ml.r5d.large"|"ml.r5d.xlarge"|"ml.r5d.2xlarge"|"ml.r5d.4xlarge"|"ml.r5d.8xlarge"|"ml.r5d.12xlarge"|"ml.r5d.16xlarge"|"ml.r5d.24xlarge"|"ml.t3.medium"|"ml.t3.large"|"ml.t3.xlarge"|"ml.t3.2xlarge"|"ml.r5.large"|"ml.r5.xlarge"|"ml.r5.2xlarge"|"ml.r5.4xlarge"|"ml.r5.8xlarge"|"ml.r5.12xlarge"|"ml.r5.16xlarge"|"ml.r5.24xlarge",
"InstanceCount": integer,
"VolumeSizeInGB": integer,
"VolumeKmsKeyId": "string",
"AllocationStrategy": "Prioritized",
"InstanceConfigs": [
{
"InstanceType": "ml.m4.xlarge"|"ml.m4.2xlarge"|"ml.m4.4xlarge"|"ml.m4.10xlarge"|"ml.m4.16xlarge"|"ml.g4dn.xlarge"|"ml.g4dn.2xlarge"|"ml.g4dn.4xlarge"|"ml.g4dn.8xlarge"|"ml.g4dn.12xlarge"|"ml.g4dn.16xlarge"|"ml.m5.large"|"ml.m5.xlarge"|"ml.m5.2xlarge"|"ml.m5.4xlarge"|"ml.m5.12xlarge"|"ml.m5.24xlarge"|"ml.c4.xlarge"|"ml.c4.2xlarge"|"ml.c4.4xlarge"|"ml.c4.8xlarge"|"ml.p2.xlarge"|"ml.p2.8xlarge"|"ml.p2.16xlarge"|"ml.p3.2xlarge"|"ml.p3.8xlarge"|"ml.p3.16xlarge"|"ml.p3dn.24xlarge"|"ml.p4d.24xlarge"|"ml.p4de.24xlarge"|"ml.p5.48xlarge"|"ml.c5.xlarge"|"ml.c5.2xlarge"|"ml.c5.4xlarge"|"ml.c5.9xlarge"|"ml.c5.18xlarge"|"ml.c5n.xlarge"|"ml.c5n.2xlarge"|"ml.c5n.4xlarge"|"ml.c5n.9xlarge"|"ml.c5n.18xlarge"|"ml.g5.xlarge"|"ml.g5.2xlarge"|"ml.g5.4xlarge"|"ml.g5.8xlarge"|"ml.g5.16xlarge"|"ml.g5.12xlarge"|"ml.g5.24xlarge"|"ml.g5.48xlarge"|"ml.trn1.2xlarge"|"ml.trn1.32xlarge"|"ml.trn1n.32xlarge"|"ml.m6i.large"|"ml.m6i.xlarge"|"ml.m6i.2xlarge"|"ml.m6i.4xlarge"|"ml.m6i.8xlarge"|"ml.m6i.12xlarge"|"ml.m6i.16xlarge"|"ml.m6i.24xlarge"|"ml.m6i.32xlarge"|"ml.c6i.xlarge"|"ml.c6i.2xlarge"|"ml.c6i.8xlarge"|"ml.c6i.4xlarge"|"ml.c6i.12xlarge"|"ml.c6i.16xlarge"|"ml.c6i.24xlarge"|"ml.c6i.32xlarge"|"ml.r5d.large"|"ml.r5d.xlarge"|"ml.r5d.2xlarge"|"ml.r5d.4xlarge"|"ml.r5d.8xlarge"|"ml.r5d.12xlarge"|"ml.r5d.16xlarge"|"ml.r5d.24xlarge"|"ml.t3.medium"|"ml.t3.large"|"ml.t3.xlarge"|"ml.t3.2xlarge"|"ml.r5.large"|"ml.r5.xlarge"|"ml.r5.2xlarge"|"ml.r5.4xlarge"|"ml.r5.8xlarge"|"ml.r5.12xlarge"|"ml.r5.16xlarge"|"ml.r5.24xlarge",
"InstanceCount": integer,
"VolumeSizeInGB": integer
}
...
]
},
"StoppingCondition": {
"MaxRuntimeInSeconds": integer,
"MaxWaitTimeInSeconds": integer,
"MaxPendingTimeInSeconds": integer
},
"EnableNetworkIsolation": true|false,
"EnableInterContainerTrafficEncryption": true|false,
"EnableManagedSpotTraining": true|false,
"CheckpointConfig": {
"S3Uri": "string",
"LocalPath": "string"
},
"RetryStrategy": {
"MaximumRetryAttempts": integer
},
"Environment": {"string": "string"
...}
}
--training-job-definitions
(list)
A list of the HyperParameterTrainingJobDefinition objects launched for this tuning job.
(structure)
Defines the training jobs launched by a hyperparameter tuning job.
DefinitionName -> (string)
The job definition name.TuningObjective -> (structure)
Defines the objective metric for a hyperparameter tuning job. Hyperparameter tuning uses the value of this metric to evaluate the training jobs it launches, and returns the training job that results in either the highest or lowest value for this metric, depending on the value you specify for the
Type
parameter. If you want to define a custom objective metric, see Define metrics and environment variables .Type -> (string)
Whether to minimize or maximize the objective metric.MetricName -> (string)
The name of the metric to use for the objective metric.HyperParameterRanges -> (structure)
Specifies ranges of integer, continuous, and categorical hyperparameters that a hyperparameter tuning job searches. The hyperparameter tuning job launches training jobs with hyperparameter values within these ranges to find the combination of values that result in the training job with the best performance as measured by the objective metric of the hyperparameter tuning job.
Note
The maximum number of items specified forArray Members
refers to the maximum number of hyperparameters for each range and also the maximum for the hyperparameter tuning job itself. That is, the sum of the number of hyperparameters for all the ranges can't exceed the maximum number specified.IntegerParameterRanges -> (list)
The array of IntegerParameterRange objects that specify ranges of integer hyperparameters that a hyperparameter tuning job searches.
(structure)
For a hyperparameter of the integer type, specifies the range that a hyperparameter tuning job searches.
Name -> (string)
The name of the hyperparameter to search.MinValue -> (string)
The minimum value of the hyperparameter to search.MaxValue -> (string)
The maximum value of the hyperparameter to search.ScalingType -> (string)
The scale that hyperparameter tuning uses to search the hyperparameter range. For information about choosing a hyperparameter scale, see Hyperparameter Scaling . One of the following values:
AutoSageMaker hyperparameter tuning chooses the best scale for the hyperparameter.
LinearHyperparameter tuning searches the values in the hyperparameter range by using a linear scale.
LogarithmicHyperparameter tuning searches the values in the hyperparameter range by using a logarithmic scale.
Logarithmic scaling works only for ranges that have only values greater than 0.
ContinuousParameterRanges -> (list)
The array of ContinuousParameterRange objects that specify ranges of continuous hyperparameters that a hyperparameter tuning job searches.
(structure)
A list of continuous hyperparameters to tune.
Name -> (string)
The name of the continuous hyperparameter to tune.MinValue -> (string)
The minimum value for the hyperparameter. The tuning job uses floating-point values between this value andMaxValue
for tuning.MaxValue -> (string)
The maximum value for the hyperparameter. The tuning job uses floating-point values betweenMinValue
value and this value for tuning.ScalingType -> (string)
The scale that hyperparameter tuning uses to search the hyperparameter range. For information about choosing a hyperparameter scale, see Hyperparameter Scaling . One of the following values:
AutoSageMaker hyperparameter tuning chooses the best scale for the hyperparameter.
LinearHyperparameter tuning searches the values in the hyperparameter range by using a linear scale.
LogarithmicHyperparameter tuning searches the values in the hyperparameter range by using a logarithmic scale.
Logarithmic scaling works only for ranges that have only values greater than 0.
ReverseLogarithmicHyperparameter tuning searches the values in the hyperparameter range by using a reverse logarithmic scale.
Reverse logarithmic scaling works only for ranges that are entirely within the range 0<=x<1.0.
CategoricalParameterRanges -> (list)
The array of CategoricalParameterRange objects that specify ranges of categorical hyperparameters that a hyperparameter tuning job searches.
(structure)
A list of categorical hyperparameters to tune.
Name -> (string)
The name of the categorical hyperparameter to tune.Values -> (list)
A list of the categories for the hyperparameter.
(string)
AutoParameters -> (list)
A list containing hyperparameter names and example values to be used by Autotune to determine optimal ranges for your tuning job.
(structure)
The name and an example value of the hyperparameter that you want to use in Autotune. If Automatic model tuning (AMT) determines that your hyperparameter is eligible for Autotune, an optimal hyperparameter range is selected for you.
Name -> (string)
The name of the hyperparameter to optimize using Autotune.ValueHint -> (string)
An example value of the hyperparameter to optimize using Autotune.StaticHyperParameters -> (map)
Specifies the values of hyperparameters that do not change for the tuning job.
key -> (string)
value -> (string)
AlgorithmSpecification -> (structure)
The HyperParameterAlgorithmSpecification object that specifies the resource algorithm to use for the training jobs that the tuning job launches.
TrainingImage -> (string)
The registry path of the Docker image that contains the training algorithm. For information about Docker registry paths for built-in algorithms, see Algorithms Provided by Amazon SageMaker: Common Parameters . SageMaker supports bothregistry/repository[:tag]
andregistry/repository[@digest]
image path formats. For more information, see Using Your Own Algorithms with Amazon SageMaker .TrainingInputMode -> (string)
The training input mode that the algorithm supports. For more information about input modes, see Algorithms .
Pipe modeIf an algorithm supports
Pipe
mode, Amazon SageMaker streams data directly from Amazon S3 to the container.File modeIf an algorithm supports
File
mode, SageMaker downloads the training data from S3 to the provisioned ML storage volume, and mounts the directory to the Docker volume for the training container.You must provision the ML storage volume with sufficient capacity to accommodate the data downloaded from S3. In addition to the training data, the ML storage volume also stores the output model. The algorithm container uses the ML storage volume to also store intermediate information, if any.
For distributed algorithms, training data is distributed uniformly. Your training duration is predictable if the input data objects sizes are approximately the same. SageMaker does not split the files any further for model training. If the object sizes are skewed, training won't be optimal as the data distribution is also skewed when one host in a training cluster is overloaded, thus becoming a bottleneck in training.
FastFile modeIf an algorithm supports
FastFile
mode, SageMaker streams data directly from S3 to the container with no code changes, and provides file system access to the data. Users can author their training script to interact with these files as if they were stored on disk.FastFile
mode works best when the data is read sequentially. Augmented manifest files aren't supported. The startup time is lower when there are fewer files in the S3 bucket provided.AlgorithmName -> (string)
The name of the resource algorithm to use for the hyperparameter tuning job. If you specify a value for this parameter, do not specify a value forTrainingImage
.MetricDefinitions -> (list)
An array of MetricDefinition objects that specify the metrics that the algorithm emits.
(structure)
Specifies a metric that the training algorithm writes to
stderr
orstdout
. You can view these logs to understand how your training job performs and check for any errors encountered during training. SageMaker hyperparameter tuning captures all defined metrics. Specify one of the defined metrics to use as an objective metric using the TuningObjective parameter in theHyperParameterTrainingJobDefinition
API to evaluate job performance during hyperparameter tuning.Name -> (string)
The name of the metric.Regex -> (string)
A regular expression that searches the output of a training job and gets the value of the metric. For more information about using regular expressions to define metrics, see Defining metrics and environment variables .RoleArn -> (string)
The Amazon Resource Name (ARN) of the IAM role associated with the training jobs that the tuning job launches.InputDataConfig -> (list)
An array of Channel objects that specify the input for the training jobs that the tuning job launches.
(structure)
A channel is a named input source that training algorithms can consume.
ChannelName -> (string)
The name of the channel.DataSource -> (structure)
The location of the channel data.
S3DataSource -> (structure)
The S3 location of the data source that is associated with a channel.
S3DataType -> (string)
If you choose
S3Prefix
,S3Uri
identifies a key name prefix. SageMaker uses all objects that match the specified key name prefix for model training.If you choose
ManifestFile
,S3Uri
identifies an object that is a manifest file containing a list of object keys that you want SageMaker to use for model training.If you choose
AugmentedManifestFile
, S3Uri identifies an object that is an augmented manifest file in JSON lines format. This file contains the data you want to use for model training.AugmentedManifestFile
can only be used if the Channel's input mode isPipe
.S3Uri -> (string)
Depending on the value specified for the
S3DataType
, identifies either a key name prefix or a manifest. For example:
- A key name prefix might look like this:
s3://bucketname/exampleprefix/
- A manifest might look like this:
s3://bucketname/example.manifest
A manifest is an S3 object which is a JSON file consisting of an array of elements. The first element is a prefix which is followed by one or more suffixes. SageMaker appends the suffix elements to the prefix to get a full set ofS3Uri
. Note that the prefix must be a valid non-emptyS3Uri
that precludes users from specifying a manifest whose individualS3Uri
is sourced from different S3 buckets. The following code example shows a valid manifest format:[ {"prefix": "s3://customer_bucket/some/prefix/"},
"relative/path/to/custdata-1",
"relative/path/custdata-2",
...
"relative/path/custdata-N"
]
This JSON is equivalent to the followingS3Uri
list:s3://customer_bucket/some/prefix/relative/path/to/custdata-1
s3://customer_bucket/some/prefix/relative/path/custdata-2
...
s3://customer_bucket/some/prefix/relative/path/custdata-N
The complete set ofS3Uri
in this manifest is the input data for the channel for this data source. The object that eachS3Uri
points to must be readable by the IAM role that SageMaker uses to perform tasks on your behalf.Your input bucket must be located in same Amazon Web Services region as your training job.
S3DataDistributionType -> (string)
If you want SageMaker to replicate the entire dataset on each ML compute instance that is launched for model training, specify
FullyReplicated
.If you want SageMaker to replicate a subset of data on each ML compute instance that is launched for model training, specify
ShardedByS3Key
. If there are n ML compute instances launched for a training job, each instance gets approximately 1/n of the number of S3 objects. In this case, model training on each machine uses only the subset of training data.Don't choose more ML compute instances for training than available S3 objects. If you do, some nodes won't get any data and you will pay for nodes that aren't getting any training data. This applies in both File and Pipe modes. Keep this in mind when developing algorithms.
In distributed training, where you use multiple ML compute EC2 instances, you might choose
ShardedByS3Key
. If the algorithm requires copying training data to the ML storage volume (whenTrainingInputMode
is set toFile
), this copies 1/n of the number of objects.AttributeNames -> (list)
A list of one or more attribute names to use that are found in a specified augmented manifest file.
(string)
InstanceGroupNames -> (list)
A list of names of instance groups that get data from the S3 data source.
(string)
FileSystemDataSource -> (structure)
The file system that is associated with a channel.
FileSystemId -> (string)
The file system id.FileSystemAccessMode -> (string)
The access mode of the mount of the directory associated with the channel. A directory can be mounted either inro
(read-only) orrw
(read-write) mode.FileSystemType -> (string)
The file system type.DirectoryPath -> (string)
The full path to the directory to associate with the channel.ContentType -> (string)
The MIME type of the data.CompressionType -> (string)
If training data is compressed, the compression type. The default value isNone
.CompressionType
is used only in Pipe input mode. In File mode, leave this field unset or set it to None.RecordWrapperType -> (string)
Specify RecordIO as the value when input data is in raw format but the training algorithm requires the RecordIO format. In this case, SageMaker wraps each individual S3 object in a RecordIO record. If the input data is already in RecordIO format, you don't need to set this attribute. For more information, see Create a Dataset Using RecordIO .
In File mode, leave this field unset or set it to None.
InputMode -> (string)
(Optional) The input mode to use for the data channel in a training job. If you don't set a value for
InputMode
, SageMaker uses the value set forTrainingInputMode
. Use this parameter to override theTrainingInputMode
setting in a AlgorithmSpecification request when you have a channel that needs a different input mode from the training job's general setting. To download the data from Amazon Simple Storage Service (Amazon S3) to the provisioned ML storage volume, and mount the directory to a Docker volume, useFile
input mode. To stream data directly from Amazon S3 to the container, choosePipe
input mode.To use a model for incremental training, choose
File
input model.ShuffleConfig -> (structure)
A configuration for a shuffle option for input data in a channel. If you use
S3Prefix
forS3DataType
, this shuffles the results of the S3 key prefix matches. If you useManifestFile
, the order of the S3 object references in theManifestFile
is shuffled. If you useAugmentedManifestFile
, the order of the JSON lines in theAugmentedManifestFile
is shuffled. The shuffling order is determined using theSeed
value.For Pipe input mode, shuffling is done at the start of every epoch. With large datasets this ensures that the order of the training data is different for each epoch, it helps reduce bias and possible overfitting. In a multi-node training job when ShuffleConfig is combined with
S3DataDistributionType
ofShardedByS3Key
, the data is shuffled across nodes so that the content sent to a particular node on the first epoch might be sent to a different node on the second epoch.Seed -> (long)
Determines the shuffling order inShuffleConfig
value.VpcConfig -> (structure)
The VpcConfig object that specifies the VPC that you want the training jobs that this hyperparameter tuning job launches to connect to. Control access to and from your training container by configuring the VPC. For more information, see Protect Training Jobs by Using an Amazon Virtual Private Cloud .
SecurityGroupIds -> (list)
The VPC security group IDs, in the form
sg-xxxxxxxx
. Specify the security groups for the VPC that is specified in theSubnets
field.(string)
Subnets -> (list)
The ID of the subnets in the VPC to which you want to connect your training job or model. For information about the availability of specific instance types, see Supported Instance Types and Availability Zones .
(string)
OutputDataConfig -> (structure)
Specifies the path to the Amazon S3 bucket where you store model artifacts from the training jobs that the tuning job launches.
KmsKeyId -> (string)
The Amazon Web Services Key Management Service (Amazon Web Services KMS) key that SageMaker uses to encrypt the model artifacts at rest using Amazon S3 server-side encryption. The
KmsKeyId
can be any of the following formats:
- // KMS Key ID
"1234abcd-12ab-34cd-56ef-1234567890ab"
- // Amazon Resource Name (ARN) of a KMS Key
"arn:aws:kms:us-west-2:111122223333:key/1234abcd-12ab-34cd-56ef-1234567890ab"
- // KMS Key Alias
"alias/ExampleAlias"
- // Amazon Resource Name (ARN) of a KMS Key Alias
"arn:aws:kms:us-west-2:111122223333:alias/ExampleAlias"
If you use a KMS key ID or an alias of your KMS key, the SageMaker execution role must include permissions to call
kms:Encrypt
. If you don't provide a KMS key ID, SageMaker uses the default KMS key for Amazon S3 for your role's account. For more information, see KMS-Managed Encryption Keys in the Amazon Simple Storage Service Developer Guide . If the output data is stored in Amazon S3 Express One Zone, it is encrypted with server-side encryption with Amazon S3 managed keys (SSE-S3). KMS key is not supported for Amazon S3 Express One ZoneThe KMS key policy must grant permission to the IAM role that you specify in your
CreateTrainingJob
,CreateTransformJob
, orCreateHyperParameterTuningJob
requests. For more information, see Using Key Policies in Amazon Web Services KMS in the Amazon Web Services Key Management Service Developer Guide .S3OutputPath -> (string)
Identifies the S3 path where you want SageMaker to store the model artifacts. For example,s3://bucket-name/key-name-prefix
.CompressionType -> (string)
The model output compression type. SelectNone
to output an uncompressed model, recommended for large model outputs. Defaults to gzip.ResourceConfig -> (structure)
The resources, including the compute instances and storage volumes, to use for the training jobs that the tuning job launches.
Storage volumes store model artifacts and incremental states. Training algorithms might also use storage volumes for scratch space. If you want SageMaker to use the storage volume to store the training data, choose
File
as theTrainingInputMode
in the algorithm specification. For distributed training algorithms, specify an instance count greater than 1.Note
If you want to use hyperparameter optimization with instance type flexibility, useHyperParameterTuningResourceConfig
instead.InstanceType -> (string)
The ML compute instance type.
Note
SageMaker Training on Amazon Elastic Compute Cloud (EC2) P4de instances is in preview release starting December 9th, 2022.
Amazon EC2 P4de instances (currently in preview) are powered by 8 NVIDIA A100 GPUs with 80GB high-performance HBM2e GPU memory, which accelerate the speed of training ML models that need to be trained on large datasets of high-resolution data. In this preview release, Amazon SageMaker supports ML training jobs on P4de instances (ml.p4de.24xlarge
) to reduce model training time. Theml.p4de.24xlarge
instances are available in the following Amazon Web Services Regions.
- US East (N. Virginia) (us-east-1)
- US West (Oregon) (us-west-2)
To request quota limit increase and start using P4de instances, contact the SageMaker Training service team through your account team.
InstanceCount -> (integer)
The number of ML compute instances to use. For distributed training, provide a value greater than 1.VolumeSizeInGB -> (integer)
The size of the ML storage volume that you want to provision.
ML storage volumes store model artifacts and incremental states. Training algorithms might also use the ML storage volume for scratch space. If you want to store the training data in the ML storage volume, choose
File
as theTrainingInputMode
in the algorithm specification.When using an ML instance with NVMe SSD volumes , SageMaker doesn't provision Amazon EBS General Purpose SSD (gp2) storage. Available storage is fixed to the NVMe-type instance's storage capacity. SageMaker configures storage paths for training datasets, checkpoints, model artifacts, and outputs to use the entire capacity of the instance storage. For example, ML instance families with the NVMe-type instance storage include
ml.p4d
,ml.g4dn
, andml.g5
.When using an ML instance with the EBS-only storage option and without instance storage, you must define the size of EBS volume through
VolumeSizeInGB
in theResourceConfig
API. For example, ML instance families that use EBS volumes includeml.c5
andml.p2
.To look up instance types and their instance storage types and volumes, see Amazon EC2 Instance Types .
To find the default local paths defined by the SageMaker training platform, see Amazon SageMaker Training Storage Folders for Training Datasets, Checkpoints, Model Artifacts, and Outputs .
VolumeKmsKeyId -> (string)
The Amazon Web Services KMS key that SageMaker uses to encrypt data on the storage volume attached to the ML compute instance(s) that run the training job.
Note
Certain Nitro-based instances include local storage, dependent on the instance type. Local storage volumes are encrypted using a hardware module on the instance. You can't request a
VolumeKmsKeyId
when using an instance type with local storage.For a list of instance types that support local instance storage, see Instance Store Volumes .
For more information about local instance storage encryption, see SSD Instance Store Volumes .
The
VolumeKmsKeyId
can be in any of the following formats:
- // KMS Key ID
"1234abcd-12ab-34cd-56ef-1234567890ab"
- // Amazon Resource Name (ARN) of a KMS Key
"arn:aws:kms:us-west-2:111122223333:key/1234abcd-12ab-34cd-56ef-1234567890ab"
KeepAlivePeriodInSeconds -> (integer)
The duration of time in seconds to retain configured resources in a warm pool for subsequent training jobs.InstanceGroups -> (list)
The configuration of a heterogeneous cluster in JSON format.
(structure)
Defines an instance group for heterogeneous cluster training. When requesting a training job using the CreateTrainingJob API, you can configure multiple instance groups .
InstanceType -> (string)
Specifies the instance type of the instance group.InstanceCount -> (integer)
Specifies the number of instances of the instance group.InstanceGroupName -> (string)
Specifies the name of the instance group.HyperParameterTuningResourceConfig -> (structure)
The configuration for the hyperparameter tuning resources, including the compute instances and storage volumes, used for training jobs launched by the tuning job. By default, storage volumes hold model artifacts and incremental states. Choose
File
forTrainingInputMode
in theAlgorithmSpecification
parameter to additionally store training data in the storage volume (optional).InstanceType -> (string)
The instance type used to run hyperparameter optimization tuning jobs. See descriptions of instance types for more information.InstanceCount -> (integer)
The number of compute instances of typeInstanceType
to use. For distributed training , select a value greater than 1.VolumeSizeInGB -> (integer)
The volume size in GB for the storage volume to be used in processing hyperparameter optimization jobs (optional). These volumes store model artifacts, incremental states and optionally, scratch space for training algorithms. Do not provide a value for this parameter if a value for
InstanceConfigs
is also specified.Some instance types have a fixed total local storage size. If you select one of these instances for training,
VolumeSizeInGB
cannot be greater than this total size. For a list of instance types with local instance storage and their sizes, see instance store volumes .Note
SageMaker supports only the General Purpose SSD (gp2) storage volume type.VolumeKmsKeyId -> (string)
A key used by Amazon Web Services Key Management Service to encrypt data on the storage volume attached to the compute instances used to run the training job. You can use either of the following formats to specify a key.
KMS Key ID:
"1234abcd-12ab-34cd-56ef-1234567890ab"
Amazon Resource Name (ARN) of a KMS key:
"arn:aws:kms:us-west-2:111122223333:key/1234abcd-12ab-34cd-56ef-1234567890ab"
Some instances use local storage, which use a hardware module to encrypt storage volumes. If you choose one of these instance types, you cannot request a
VolumeKmsKeyId
. For a list of instance types that use local storage, see instance store volumes . For more information about Amazon Web Services Key Management Service, see KMS encryption for more information.AllocationStrategy -> (string)
The strategy that determines the order of preference for resources specified inInstanceConfigs
used in hyperparameter optimization.InstanceConfigs -> (list)
A list containing the configuration(s) for one or more resources for processing hyperparameter jobs. These resources include compute instances and storage volumes to use in model training jobs launched by hyperparameter tuning jobs. The
AllocationStrategy
controls the order in which multiple configurations provided inInstanceConfigs
are used.Note
If you only want to use a single instance configuration inside theHyperParameterTuningResourceConfig
API, do not provide a value forInstanceConfigs
. Instead, useInstanceType
,VolumeSizeInGB
andInstanceCount
. If you useInstanceConfigs
, do not provide values forInstanceType
,VolumeSizeInGB
orInstanceCount
.(structure)
The configuration for hyperparameter tuning resources for use in training jobs launched by the tuning job. These resources include compute instances and storage volumes. Specify one or more compute instance configurations and allocation strategies to select resources (optional).
InstanceType -> (string)
The instance type used for processing of hyperparameter optimization jobs. Choose from general purpose (no GPUs) instance types: ml.m5.xlarge, ml.m5.2xlarge, and ml.m5.4xlarge or compute optimized (no GPUs) instance types: ml.c5.xlarge and ml.c5.2xlarge. For more information about instance types, see instance type descriptions .InstanceCount -> (integer)
The number of instances of the type specified byInstanceType
. Choose an instance count larger than 1 for distributed training algorithms. See Step 2: Launch a SageMaker Distributed Training Job Using the SageMaker Python SDK for more information.VolumeSizeInGB -> (integer)
The volume size in GB of the data to be processed for hyperparameter optimization (optional).StoppingCondition -> (structure)
Specifies a limit to how long a model hyperparameter training job can run. It also specifies how long a managed spot training job has to complete. When the job reaches the time limit, SageMaker ends the training job. Use this API to cap model training costs.
MaxRuntimeInSeconds -> (integer)
The maximum length of time, in seconds, that a training or compilation job can run before it is stopped.
For compilation jobs, if the job does not complete during this time, a
TimeOut
error is generated. We recommend starting with 900 seconds and increasing as necessary based on your model.For all other jobs, if the job does not complete during this time, SageMaker ends the job. When
RetryStrategy
is specified in the job request,MaxRuntimeInSeconds
specifies the maximum time for all of the attempts in total, not each individual attempt. The default value is 1 day. The maximum value is 28 days.The maximum time that a
TrainingJob
can run in total, including any time spent publishing metrics or archiving and uploading models after it has been stopped, is 30 days.MaxWaitTimeInSeconds -> (integer)
The maximum length of time, in seconds, that a managed Spot training job has to complete. It is the amount of time spent waiting for Spot capacity plus the amount of time the job can run. It must be equal to or greater than
MaxRuntimeInSeconds
. If the job does not complete during this time, SageMaker ends the job.When
RetryStrategy
is specified in the job request,MaxWaitTimeInSeconds
specifies the maximum time for all of the attempts in total, not each individual attempt.MaxPendingTimeInSeconds -> (integer)
The maximum length of time, in seconds, that a training or compilation job can be pending before it is stopped.EnableNetworkIsolation -> (boolean)
Isolates the training container. No inbound or outbound network calls can be made, except for calls between peers within a training cluster for distributed training. If network isolation is used for training jobs that are configured to use a VPC, SageMaker downloads and uploads customer data and model artifacts through the specified VPC, but the training container does not have network access.EnableInterContainerTrafficEncryption -> (boolean)
To encrypt all communications between ML compute instances in distributed training, chooseTrue
. Encryption provides greater security for distributed training, but training might take longer. How long it takes depends on the amount of communication between compute instances, especially if you use a deep learning algorithm in distributed training.EnableManagedSpotTraining -> (boolean)
A Boolean indicating whether managed spot training is enabled (True
) or not (False
).CheckpointConfig -> (structure)
Contains information about the output location for managed spot training checkpoint data.
S3Uri -> (string)
Identifies the S3 path where you want SageMaker to store checkpoints. For example,s3://bucket-name/key-name-prefix
.LocalPath -> (string)
(Optional) The local directory where checkpoints are written. The default directory is/opt/ml/checkpoints/
.RetryStrategy -> (structure)
The number of times to retry the job when the job fails due to an
InternalServerError
.MaximumRetryAttempts -> (integer)
The number of times to retry the job. When the job is retried, it'sSecondaryStatus
is changed toSTARTING
.Environment -> (map)
An environment variable that you can pass into the SageMaker CreateTrainingJob API. You can use an existing environment variable from the training container or use your own. See Define metrics and variables for more information.
Note
The maximum number of items specified forMap Entries
refers to the maximum number of environment variables for eachTrainingJobDefinition
and also the maximum for the hyperparameter tuning job itself. That is, the sum of the number of environment variables for all the training job definitions can't exceed the maximum number specified.key -> (string)
value -> (string)
JSON Syntax:
[
{
"DefinitionName": "string",
"TuningObjective": {
"Type": "Maximize"|"Minimize",
"MetricName": "string"
},
"HyperParameterRanges": {
"IntegerParameterRanges": [
{
"Name": "string",
"MinValue": "string",
"MaxValue": "string",
"ScalingType": "Auto"|"Linear"|"Logarithmic"|"ReverseLogarithmic"
}
...
],
"ContinuousParameterRanges": [
{
"Name": "string",
"MinValue": "string",
"MaxValue": "string",
"ScalingType": "Auto"|"Linear"|"Logarithmic"|"ReverseLogarithmic"
}
...
],
"CategoricalParameterRanges": [
{
"Name": "string",
"Values": ["string", ...]
}
...
],
"AutoParameters": [
{
"Name": "string",
"ValueHint": "string"
}
...
]
},
"StaticHyperParameters": {"string": "string"
...},
"AlgorithmSpecification": {
"TrainingImage": "string",
"TrainingInputMode": "Pipe"|"File"|"FastFile",
"AlgorithmName": "string",
"MetricDefinitions": [
{
"Name": "string",
"Regex": "string"
}
...
]
},
"RoleArn": "string",
"InputDataConfig": [
{
"ChannelName": "string",
"DataSource": {
"S3DataSource": {
"S3DataType": "ManifestFile"|"S3Prefix"|"AugmentedManifestFile",
"S3Uri": "string",
"S3DataDistributionType": "FullyReplicated"|"ShardedByS3Key",
"AttributeNames": ["string", ...],
"InstanceGroupNames": ["string", ...]
},
"FileSystemDataSource": {
"FileSystemId": "string",
"FileSystemAccessMode": "rw"|"ro",
"FileSystemType": "EFS"|"FSxLustre",
"DirectoryPath": "string"
}
},
"ContentType": "string",
"CompressionType": "None"|"Gzip",
"RecordWrapperType": "None"|"RecordIO",
"InputMode": "Pipe"|"File"|"FastFile",
"ShuffleConfig": {
"Seed": long
}
}
...
],
"VpcConfig": {
"SecurityGroupIds": ["string", ...],
"Subnets": ["string", ...]
},
"OutputDataConfig": {
"KmsKeyId": "string",
"S3OutputPath": "string",
"CompressionType": "GZIP"|"NONE"
},
"ResourceConfig": {
"InstanceType": "ml.m4.xlarge"|"ml.m4.2xlarge"|"ml.m4.4xlarge"|"ml.m4.10xlarge"|"ml.m4.16xlarge"|"ml.g4dn.xlarge"|"ml.g4dn.2xlarge"|"ml.g4dn.4xlarge"|"ml.g4dn.8xlarge"|"ml.g4dn.12xlarge"|"ml.g4dn.16xlarge"|"ml.m5.large"|"ml.m5.xlarge"|"ml.m5.2xlarge"|"ml.m5.4xlarge"|"ml.m5.12xlarge"|"ml.m5.24xlarge"|"ml.c4.xlarge"|"ml.c4.2xlarge"|"ml.c4.4xlarge"|"ml.c4.8xlarge"|"ml.p2.xlarge"|"ml.p2.8xlarge"|"ml.p2.16xlarge"|"ml.p3.2xlarge"|"ml.p3.8xlarge"|"ml.p3.16xlarge"|"ml.p3dn.24xlarge"|"ml.p4d.24xlarge"|"ml.p4de.24xlarge"|"ml.p5.48xlarge"|"ml.c5.xlarge"|"ml.c5.2xlarge"|"ml.c5.4xlarge"|"ml.c5.9xlarge"|"ml.c5.18xlarge"|"ml.c5n.xlarge"|"ml.c5n.2xlarge"|"ml.c5n.4xlarge"|"ml.c5n.9xlarge"|"ml.c5n.18xlarge"|"ml.g5.xlarge"|"ml.g5.2xlarge"|"ml.g5.4xlarge"|"ml.g5.8xlarge"|"ml.g5.16xlarge"|"ml.g5.12xlarge"|"ml.g5.24xlarge"|"ml.g5.48xlarge"|"ml.trn1.2xlarge"|"ml.trn1.32xlarge"|"ml.trn1n.32xlarge"|"ml.m6i.large"|"ml.m6i.xlarge"|"ml.m6i.2xlarge"|"ml.m6i.4xlarge"|"ml.m6i.8xlarge"|"ml.m6i.12xlarge"|"ml.m6i.16xlarge"|"ml.m6i.24xlarge"|"ml.m6i.32xlarge"|"ml.c6i.xlarge"|"ml.c6i.2xlarge"|"ml.c6i.8xlarge"|"ml.c6i.4xlarge"|"ml.c6i.12xlarge"|"ml.c6i.16xlarge"|"ml.c6i.24xlarge"|"ml.c6i.32xlarge"|"ml.r5d.large"|"ml.r5d.xlarge"|"ml.r5d.2xlarge"|"ml.r5d.4xlarge"|"ml.r5d.8xlarge"|"ml.r5d.12xlarge"|"ml.r5d.16xlarge"|"ml.r5d.24xlarge"|"ml.t3.medium"|"ml.t3.large"|"ml.t3.xlarge"|"ml.t3.2xlarge"|"ml.r5.large"|"ml.r5.xlarge"|"ml.r5.2xlarge"|"ml.r5.4xlarge"|"ml.r5.8xlarge"|"ml.r5.12xlarge"|"ml.r5.16xlarge"|"ml.r5.24xlarge",
"InstanceCount": integer,
"VolumeSizeInGB": integer,
"VolumeKmsKeyId": "string",
"KeepAlivePeriodInSeconds": integer,
"InstanceGroups": [
{
"InstanceType": "ml.m4.xlarge"|"ml.m4.2xlarge"|"ml.m4.4xlarge"|"ml.m4.10xlarge"|"ml.m4.16xlarge"|"ml.g4dn.xlarge"|"ml.g4dn.2xlarge"|"ml.g4dn.4xlarge"|"ml.g4dn.8xlarge"|"ml.g4dn.12xlarge"|"ml.g4dn.16xlarge"|"ml.m5.large"|"ml.m5.xlarge"|"ml.m5.2xlarge"|"ml.m5.4xlarge"|"ml.m5.12xlarge"|"ml.m5.24xlarge"|"ml.c4.xlarge"|"ml.c4.2xlarge"|"ml.c4.4xlarge"|"ml.c4.8xlarge"|"ml.p2.xlarge"|"ml.p2.8xlarge"|"ml.p2.16xlarge"|"ml.p3.2xlarge"|"ml.p3.8xlarge"|"ml.p3.16xlarge"|"ml.p3dn.24xlarge"|"ml.p4d.24xlarge"|"ml.p4de.24xlarge"|"ml.p5.48xlarge"|"ml.c5.xlarge"|"ml.c5.2xlarge"|"ml.c5.4xlarge"|"ml.c5.9xlarge"|"ml.c5.18xlarge"|"ml.c5n.xlarge"|"ml.c5n.2xlarge"|"ml.c5n.4xlarge"|"ml.c5n.9xlarge"|"ml.c5n.18xlarge"|"ml.g5.xlarge"|"ml.g5.2xlarge"|"ml.g5.4xlarge"|"ml.g5.8xlarge"|"ml.g5.16xlarge"|"ml.g5.12xlarge"|"ml.g5.24xlarge"|"ml.g5.48xlarge"|"ml.trn1.2xlarge"|"ml.trn1.32xlarge"|"ml.trn1n.32xlarge"|"ml.m6i.large"|"ml.m6i.xlarge"|"ml.m6i.2xlarge"|"ml.m6i.4xlarge"|"ml.m6i.8xlarge"|"ml.m6i.12xlarge"|"ml.m6i.16xlarge"|"ml.m6i.24xlarge"|"ml.m6i.32xlarge"|"ml.c6i.xlarge"|"ml.c6i.2xlarge"|"ml.c6i.8xlarge"|"ml.c6i.4xlarge"|"ml.c6i.12xlarge"|"ml.c6i.16xlarge"|"ml.c6i.24xlarge"|"ml.c6i.32xlarge"|"ml.r5d.large"|"ml.r5d.xlarge"|"ml.r5d.2xlarge"|"ml.r5d.4xlarge"|"ml.r5d.8xlarge"|"ml.r5d.12xlarge"|"ml.r5d.16xlarge"|"ml.r5d.24xlarge"|"ml.t3.medium"|"ml.t3.large"|"ml.t3.xlarge"|"ml.t3.2xlarge"|"ml.r5.large"|"ml.r5.xlarge"|"ml.r5.2xlarge"|"ml.r5.4xlarge"|"ml.r5.8xlarge"|"ml.r5.12xlarge"|"ml.r5.16xlarge"|"ml.r5.24xlarge",
"InstanceCount": integer,
"InstanceGroupName": "string"
}
...
]
},
"HyperParameterTuningResourceConfig": {
"InstanceType": "ml.m4.xlarge"|"ml.m4.2xlarge"|"ml.m4.4xlarge"|"ml.m4.10xlarge"|"ml.m4.16xlarge"|"ml.g4dn.xlarge"|"ml.g4dn.2xlarge"|"ml.g4dn.4xlarge"|"ml.g4dn.8xlarge"|"ml.g4dn.12xlarge"|"ml.g4dn.16xlarge"|"ml.m5.large"|"ml.m5.xlarge"|"ml.m5.2xlarge"|"ml.m5.4xlarge"|"ml.m5.12xlarge"|"ml.m5.24xlarge"|"ml.c4.xlarge"|"ml.c4.2xlarge"|"ml.c4.4xlarge"|"ml.c4.8xlarge"|"ml.p2.xlarge"|"ml.p2.8xlarge"|"ml.p2.16xlarge"|"ml.p3.2xlarge"|"ml.p3.8xlarge"|"ml.p3.16xlarge"|"ml.p3dn.24xlarge"|"ml.p4d.24xlarge"|"ml.p4de.24xlarge"|"ml.p5.48xlarge"|"ml.c5.xlarge"|"ml.c5.2xlarge"|"ml.c5.4xlarge"|"ml.c5.9xlarge"|"ml.c5.18xlarge"|"ml.c5n.xlarge"|"ml.c5n.2xlarge"|"ml.c5n.4xlarge"|"ml.c5n.9xlarge"|"ml.c5n.18xlarge"|"ml.g5.xlarge"|"ml.g5.2xlarge"|"ml.g5.4xlarge"|"ml.g5.8xlarge"|"ml.g5.16xlarge"|"ml.g5.12xlarge"|"ml.g5.24xlarge"|"ml.g5.48xlarge"|"ml.trn1.2xlarge"|"ml.trn1.32xlarge"|"ml.trn1n.32xlarge"|"ml.m6i.large"|"ml.m6i.xlarge"|"ml.m6i.2xlarge"|"ml.m6i.4xlarge"|"ml.m6i.8xlarge"|"ml.m6i.12xlarge"|"ml.m6i.16xlarge"|"ml.m6i.24xlarge"|"ml.m6i.32xlarge"|"ml.c6i.xlarge"|"ml.c6i.2xlarge"|"ml.c6i.8xlarge"|"ml.c6i.4xlarge"|"ml.c6i.12xlarge"|"ml.c6i.16xlarge"|"ml.c6i.24xlarge"|"ml.c6i.32xlarge"|"ml.r5d.large"|"ml.r5d.xlarge"|"ml.r5d.2xlarge"|"ml.r5d.4xlarge"|"ml.r5d.8xlarge"|"ml.r5d.12xlarge"|"ml.r5d.16xlarge"|"ml.r5d.24xlarge"|"ml.t3.medium"|"ml.t3.large"|"ml.t3.xlarge"|"ml.t3.2xlarge"|"ml.r5.large"|"ml.r5.xlarge"|"ml.r5.2xlarge"|"ml.r5.4xlarge"|"ml.r5.8xlarge"|"ml.r5.12xlarge"|"ml.r5.16xlarge"|"ml.r5.24xlarge",
"InstanceCount": integer,
"VolumeSizeInGB": integer,
"VolumeKmsKeyId": "string",
"AllocationStrategy": "Prioritized",
"InstanceConfigs": [
{
"InstanceType": "ml.m4.xlarge"|"ml.m4.2xlarge"|"ml.m4.4xlarge"|"ml.m4.10xlarge"|"ml.m4.16xlarge"|"ml.g4dn.xlarge"|"ml.g4dn.2xlarge"|"ml.g4dn.4xlarge"|"ml.g4dn.8xlarge"|"ml.g4dn.12xlarge"|"ml.g4dn.16xlarge"|"ml.m5.large"|"ml.m5.xlarge"|"ml.m5.2xlarge"|"ml.m5.4xlarge"|"ml.m5.12xlarge"|"ml.m5.24xlarge"|"ml.c4.xlarge"|"ml.c4.2xlarge"|"ml.c4.4xlarge"|"ml.c4.8xlarge"|"ml.p2.xlarge"|"ml.p2.8xlarge"|"ml.p2.16xlarge"|"ml.p3.2xlarge"|"ml.p3.8xlarge"|"ml.p3.16xlarge"|"ml.p3dn.24xlarge"|"ml.p4d.24xlarge"|"ml.p4de.24xlarge"|"ml.p5.48xlarge"|"ml.c5.xlarge"|"ml.c5.2xlarge"|"ml.c5.4xlarge"|"ml.c5.9xlarge"|"ml.c5.18xlarge"|"ml.c5n.xlarge"|"ml.c5n.2xlarge"|"ml.c5n.4xlarge"|"ml.c5n.9xlarge"|"ml.c5n.18xlarge"|"ml.g5.xlarge"|"ml.g5.2xlarge"|"ml.g5.4xlarge"|"ml.g5.8xlarge"|"ml.g5.16xlarge"|"ml.g5.12xlarge"|"ml.g5.24xlarge"|"ml.g5.48xlarge"|"ml.trn1.2xlarge"|"ml.trn1.32xlarge"|"ml.trn1n.32xlarge"|"ml.m6i.large"|"ml.m6i.xlarge"|"ml.m6i.2xlarge"|"ml.m6i.4xlarge"|"ml.m6i.8xlarge"|"ml.m6i.12xlarge"|"ml.m6i.16xlarge"|"ml.m6i.24xlarge"|"ml.m6i.32xlarge"|"ml.c6i.xlarge"|"ml.c6i.2xlarge"|"ml.c6i.8xlarge"|"ml.c6i.4xlarge"|"ml.c6i.12xlarge"|"ml.c6i.16xlarge"|"ml.c6i.24xlarge"|"ml.c6i.32xlarge"|"ml.r5d.large"|"ml.r5d.xlarge"|"ml.r5d.2xlarge"|"ml.r5d.4xlarge"|"ml.r5d.8xlarge"|"ml.r5d.12xlarge"|"ml.r5d.16xlarge"|"ml.r5d.24xlarge"|"ml.t3.medium"|"ml.t3.large"|"ml.t3.xlarge"|"ml.t3.2xlarge"|"ml.r5.large"|"ml.r5.xlarge"|"ml.r5.2xlarge"|"ml.r5.4xlarge"|"ml.r5.8xlarge"|"ml.r5.12xlarge"|"ml.r5.16xlarge"|"ml.r5.24xlarge",
"InstanceCount": integer,
"VolumeSizeInGB": integer
}
...
]
},
"StoppingCondition": {
"MaxRuntimeInSeconds": integer,
"MaxWaitTimeInSeconds": integer,
"MaxPendingTimeInSeconds": integer
},
"EnableNetworkIsolation": true|false,
"EnableInterContainerTrafficEncryption": true|false,
"EnableManagedSpotTraining": true|false,
"CheckpointConfig": {
"S3Uri": "string",
"LocalPath": "string"
},
"RetryStrategy": {
"MaximumRetryAttempts": integer
},
"Environment": {"string": "string"
...}
}
...
]
--warm-start-config
(structure)
Specifies the configuration for starting the hyperparameter tuning job using one or more previous tuning jobs as a starting point. The results of previous tuning jobs are used to inform which combinations of hyperparameters to search over in the new tuning job.
All training jobs launched by the new hyperparameter tuning job are evaluated by using the objective metric. If you specify
IDENTICAL_DATA_AND_ALGORITHM
as theWarmStartType
value for the warm start configuration, the training job that performs the best in the new tuning job is compared to the best training jobs from the parent tuning jobs. From these, the training job that performs the best as measured by the objective metric is returned as the overall best training job.Note
All training jobs launched by parent hyperparameter tuning jobs and the new hyperparameter tuning jobs count against the limit of training jobs for the tuning job.ParentHyperParameterTuningJobs -> (list)
An array of hyperparameter tuning jobs that are used as the starting point for the new hyperparameter tuning job. For more information about warm starting a hyperparameter tuning job, see Using a Previous Hyperparameter Tuning Job as a Starting Point .
Hyperparameter tuning jobs created before October 1, 2018 cannot be used as parent jobs for warm start tuning jobs.
(structure)
A previously completed or stopped hyperparameter tuning job to be used as a starting point for a new hyperparameter tuning job.
HyperParameterTuningJobName -> (string)
The name of the hyperparameter tuning job to be used as a starting point for a new hyperparameter tuning job.WarmStartType -> (string)
Specifies one of the following:
IDENTICAL_DATA_AND_ALGORITHMThe new hyperparameter tuning job uses the same input data and training image as the parent tuning jobs. You can change the hyperparameter ranges to search and the maximum number of training jobs that the hyperparameter tuning job launches. You cannot use a new version of the training algorithm, unless the changes in the new version do not affect the algorithm itself. For example, changes that improve logging or adding support for a different data format are allowed. You can also change hyperparameters from tunable to static, and from static to tunable, but the total number of static plus tunable hyperparameters must remain the same as it is in all parent jobs. The objective metric for the new tuning job must be the same as for all parent jobs.
TRANSFER_LEARNINGThe new hyperparameter tuning job can include input data, hyperparameter ranges, maximum number of concurrent training jobs, and maximum number of training jobs that are different than those of its parent hyperparameter tuning jobs. The training image can also be a different version from the version used in the parent hyperparameter tuning job. You can also change hyperparameters from tunable to static, and from static to tunable, but the total number of static plus tunable hyperparameters must remain the same as it is in all parent jobs. The objective metric for the new tuning job must be the same as for all parent jobs.
Shorthand Syntax:
ParentHyperParameterTuningJobs=[{HyperParameterTuningJobName=string},{HyperParameterTuningJobName=string}],WarmStartType=string
JSON Syntax:
{
"ParentHyperParameterTuningJobs": [
{
"HyperParameterTuningJobName": "string"
}
...
],
"WarmStartType": "IdenticalDataAndAlgorithm"|"TransferLearning"
}
--tags
(list)
An array of key-value pairs. You can use tags to categorize your Amazon Web Services resources in different ways, for example, by purpose, owner, or environment. For more information, see Tagging Amazon Web Services Resources .
Tags that you specify for the tuning job are also added to all training jobs that the tuning job launches.
(structure)
A tag object that consists of a key and an optional value, used to manage metadata for SageMaker Amazon Web Services resources.
You can add tags to notebook instances, training jobs, hyperparameter tuning jobs, batch transform jobs, models, labeling jobs, work teams, endpoint configurations, and endpoints. For more information on adding tags to SageMaker resources, see AddTags .
For more information on adding metadata to your Amazon Web Services resources with tagging, see Tagging Amazon Web Services resources . For advice on best practices for managing Amazon Web Services resources with tagging, see Tagging Best Practices: Implement an Effective Amazon Web Services Resource Tagging Strategy .
Key -> (string)
The tag key. Tag keys must be unique per resource.Value -> (string)
The tag value.
Shorthand Syntax:
Key=string,Value=string ...
JSON Syntax:
[
{
"Key": "string",
"Value": "string"
}
...
]
--autotune
(structure)
Configures SageMaker Automatic model tuning (AMT) to automatically find optimal parameters for the following fields:
- ParameterRanges : The names and ranges of parameters that a hyperparameter tuning job can optimize.
- ResourceLimits : The maximum resources that can be used for a training job. These resources include the maximum number of training jobs, the maximum runtime of a tuning job, and the maximum number of training jobs to run at the same time.
- TrainingJobEarlyStoppingType : A flag that specifies whether or not to use early stopping for training jobs launched by a hyperparameter tuning job.
- RetryStrategy : The number of times to retry a training job.
- Strategy : Specifies how hyperparameter tuning chooses the combinations of hyperparameter values to use for the training jobs that it launches.
- ConvergenceDetected : A flag to indicate that Automatic model tuning (AMT) has detected model convergence.
Mode -> (string)
SetMode
toEnabled
if you want to use Autotune.
Shorthand Syntax:
Mode=string
JSON Syntax:
{
"Mode": "Enabled"
}
--cli-input-json
(string)
Performs service operation based on the JSON string provided. The JSON string follows the format provided by --generate-cli-skeleton
. If other arguments are provided on the command line, the CLI values will override the JSON-provided values. It is not possible to pass arbitrary binary values using a JSON-provided value as the string will be taken literally.
--generate-cli-skeleton
(string)
Prints a JSON skeleton to standard output without sending an API request. If provided with no value or the value input
, prints a sample input JSON that can be used as an argument for --cli-input-json
. If provided with the value output
, it validates the command inputs and returns a sample output JSON for that command.
--debug
(boolean)
Turn on debug logging.
--endpoint-url
(string)
Override command's default URL with the given URL.
--no-verify-ssl
(boolean)
By default, the AWS CLI uses SSL when communicating with AWS services. For each SSL connection, the AWS CLI will verify SSL certificates. This option overrides the default behavior of verifying SSL certificates.
--no-paginate
(boolean)
Disable automatic pagination.
--output
(string)
The formatting style for command output.
--query
(string)
A JMESPath query to use in filtering the response data.
--profile
(string)
Use a specific profile from your credential file.
--region
(string)
The region to use. Overrides config/env settings.
--version
(string)
Display the version of this tool.
--color
(string)
Turn on/off color output.
--no-sign-request
(boolean)
Do not sign requests. Credentials will not be loaded if this argument is provided.
--ca-bundle
(string)
The CA certificate bundle to use when verifying SSL certificates. Overrides config/env settings.
--cli-read-timeout
(int)
The maximum socket read time in seconds. If the value is set to 0, the socket read will be blocking and not timeout. The default value is 60 seconds.
--cli-connect-timeout
(int)
The maximum socket connect time in seconds. If the value is set to 0, the socket connect will be blocking and not timeout. The default value is 60 seconds.
HyperParameterTuningJobArn -> (string)
The Amazon Resource Name (ARN) of the tuning job. SageMaker assigns an ARN to a hyperparameter tuning job when you create it.