Request Parameters Response Elements Errors Examples See Also

DescribeEngineDefaultParameters

Returns the default engine and system parameter information for the specified cache engine.

Request Parameters

For information about the parameters that are common to all actions, see Common Parameters.

CacheParameterGroupFamily

The name of the cache parameter group family.

Type: String

Required: Yes

Marker

An optional marker returned from a prior request. Use this marker for pagination of results from this operation. If this parameter is specified, the response includes only records beyond the marker, up to the value specified by MaxRecords.

Type: String

Required: No

MaxRecords

The maximum number of records to include in the response. If more records exist than the specified MaxRecords value, a marker is included in the response so that the remaining results can be retrieved.

Default: 100

Constraints: minimum 20; maximum 100.

Type: Integer

Required: No

Response Elements

The following element is returned by the service.

EngineDefaults

Represents the output of a DescribeEngineDefaultParameters operation.

Type: EngineDefaults object

Errors

For information about the errors that are common to all actions, see Common Errors.

InvalidParameterCombination

Two or more incompatible parameters were specified.

HTTP Status Code: 400

InvalidParameterValue

The value for a parameter is invalid.

HTTP Status Code: 400

Examples

DescribeEngineDefaultParameters

Some of the output has been omitted for brevity.

Sample Request


https://elasticache.us-west-2.amazonaws.com/
   ?Action=DescribeEngineDefaultParameters
   &CacheParameterGroupFamily=memcached1.4
   &MaxRecords=100
   &Version=2015-02-02
   &SignatureVersion=4
   &SignatureMethod=HmacSHA256
   &Timestamp=20150202T192317Z
   &X-Amz-Credential=<credential>

Sample Response



<DescribeEngineDefaultParametersResponse xmlns="http://elasticache.amazonaws.com/doc/2015-02-02/">
  <DescribeEngineDefaultParametersResult>
    <EngineDefaults>
      <CacheParameterGroupFamily>memcached1.4</CacheParameterGroupFamily>
      <Parameters>
        <Parameter>
          <ParameterValue>1024</ParameterValue>
          <DataType>integer</DataType>
          <Source>system</Source>
          <IsModifiable>false</IsModifiable>
          <Description>The backlog queue limit.</Description>
          <AllowedValues>1-10000</AllowedValues>
          <ParameterName>backlog_queue_limit</ParameterName>
          <MinimumEngineVersion>1.4.5</MinimumEngineVersion>
        </Parameter>
        <Parameter>
                
 (...output omitted...)
          
        </Parameter>
      </Parameters>
      <CacheNodeTypeSpecificParameters>
        <CacheNodeTypeSpecificParameter>
          <CacheNodeTypeSpecificValues>
            <CacheNodeTypeSpecificValue>
              <CacheNodeType>cache.c1.xlarge</CacheNodeType>
              <Value>6000</Value>
            </CacheNodeTypeSpecificValue>
               
 (...output omitted...)
          
          </CacheNodeTypeSpecificValues>
          <DataType>integer</DataType>
          <Source>system</Source>
          <IsModifiable>false</IsModifiable>
          <Description>The maximum configurable amount of memory to use to store items, in megabytes.</Description>
          <AllowedValues>1-100000</AllowedValues>
          <ParameterName>max_cache_memory</ParameterName>
          <MinimumEngineVersion>1.4.5</MinimumEngineVersion>
        </CacheNodeTypeSpecificParameter>
               
 (...output omitted...)
          
      </CacheNodeTypeSpecificParameters>
    </EngineDefaults>
  </DescribeEngineDefaultParametersResult>
  <ResponseMetadata>
    <RequestId>061282fe-b7fd-11e0-9326-b7275b9d4a6c</RequestId>
  </ResponseMetadata>
</DescribeEngineDefaultParametersResponse>