Amazon ElastiCache
API Reference (API Version 2015-02-02)


Represents a collection of cache nodes in a replication group. One node in the node group is the read/write primary node. All the other nodes are read-only Replica nodes.



In the following list, the required parameters are described first.


The identifier for the node group (shard). A Redis (cluster mode disabled) replication group contains only 1 node group; therefore, the node group ID is 0001. A Redis (cluster mode enabled) replication group contains 1 to 15 node groups numbered 0001 to 0015. Optionally, the user can provide the id for a node group.

Type: String

Required: No


A list containing information about individual nodes within the node group (shard).

Type: Array of NodeGroupMember objects

Required: No


The endpoint of the primary node in this node group (shard).

Type: Endpoint object

Required: No


The keyspace for this node group (shard).

Type: String

Required: No


The current state of this replication group - creating, available, etc.

Type: String

Required: No

See Also

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

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