CheckpointConfiguration - Amazon Managed Service for Apache Flink (formerly Amazon Kinesis Data Analytics for Apache Flink)
ContentsSee Also

CheckpointConfiguration

Describes an application's checkpointing configuration. Checkpointing is the process of persisting application state for fault tolerance. For more information, see Checkpoints for Fault Tolerance in the Apache Flink Documentation.

Contents

ConfigurationType

Describes whether the application uses Managed Service for Apache Flink' default checkpointing behavior. You must set this property to CUSTOM in order to set the CheckpointingEnabled, CheckpointInterval, or MinPauseBetweenCheckpoints parameters.

Note

If this value is set to DEFAULT, the application will use the following values, even if they are set to other values using APIs or application code:

  • CheckpointingEnabled: true

  • CheckpointInterval: 60000

  • MinPauseBetweenCheckpoints: 5000

Type: String

Valid Values: DEFAULT | CUSTOM

Required: Yes

CheckpointingEnabled

Describes whether checkpointing is enabled for a Managed Service for Apache Flink application.

Note

If CheckpointConfiguration.ConfigurationType is DEFAULT, the application will use a CheckpointingEnabled value of true, even if this value is set to another value using this API or in application code.

Type: Boolean

Required: No

CheckpointInterval

Describes the interval in milliseconds between checkpoint operations.

Note

If CheckpointConfiguration.ConfigurationType is DEFAULT, the application will use a CheckpointInterval value of 60000, even if this value is set to another value using this API or in application code.

Type: Long

Valid Range: Minimum value of 1.

Required: No

MinPauseBetweenCheckpoints

Describes the minimum time in milliseconds after a checkpoint operation completes that a new checkpoint operation can start. If a checkpoint operation takes longer than the CheckpointInterval, the application otherwise performs continual checkpoint operations. For more information, see Tuning Checkpointing in the Apache Flink Documentation.

Note

If CheckpointConfiguration.ConfigurationType is DEFAULT, the application will use a MinPauseBetweenCheckpoints value of 5000, even if this value is set using this API or in application code.

Type: Long

Valid Range: Minimum value of 0.

Required: No

See Also

For more information about using this API in one of the language-specific AWS SDKs, see the following: