DescribeEngineDefaultParameters - Amazon ElastiCache
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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.


The name of the cache parameter group family.

Valid values are: memcached1.4 | memcached1.5 | memcached1.6 | redis2.6 | redis2.8 | redis3.2 | redis4.0 | redis5.0 | redis6.x | redis6.2 | redis7

Type: String

Required: Yes


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


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.


Represents the output of a DescribeEngineDefaultParameters operation.

Type: EngineDefaults object


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


Two or more incompatible parameters were specified.

HTTP Status Code: 400


The value for a parameter is invalid.

HTTP Status Code: 400



Some of the output has been omitted for brevity.

Sample Request ?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=""> <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>

See Also

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