Amazon Elastic Compute Cloud
API Reference (API Version 2016-11-15)


Describes the specified placement groups or all of your placement groups. For more information, see Placement Groups in the Amazon Elastic Compute Cloud User Guide.

Request Parameters

The following parameters are for this specific action. For more information about required and optional parameters that are common to all actions, see Common Query Parameters.


Checks whether you have the required permissions for the action, without actually making the request, and provides an error response. If you have the required permissions, the error response is DryRunOperation. Otherwise, it is UnauthorizedOperation.

Type: Boolean

Required: No


The filters.

  • group-name - The name of the placement group.

  • state - The state of the placement group (pending | available | deleting | deleted).

  • strategy - The strategy of the placement group (cluster | spread | partition).

Type: Array of Filter objects

Required: No


The names of the placement groups.

Default: Describes all your placement groups, or only those otherwise specified.

Type: Array of strings

Required: No

Response Elements

The following elements are returned by the service.


Information about the placement groups.

Type: Array of PlacementGroup objects


The ID of the request.

Type: String


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


Example 1

This example describes the placement group named ABC-spread.

Sample Request &GroupName.1=ABC-spread &AUTHPARAMS

Sample Response

<DescribePlacementGroupsResponse xmlns=""> <requestID>d4904fd9-82c2-4ea5-adfe-a9cc3EXAMPLE</requestID> <placementGroupSet> <item> <groupName>ABC-spread</groupName> <strategy>spread</strategy> <state>available</state> </item> </placementGroupSet> </DescribePlacementGroupsResponse>

Example 2

This example filters the response to include only placement groups that include the string Project in the name.

Sample Request &Filter.1.Name=group-name &Filter.1.Value=*Project* &AUTHPARAMS

Sample Response

<DescribePlacementGroupsResponse xmlns=""> <requestID>d4904fd9-82c2-4ea5-adfe-a9cc3EXAMPLE</requestID> <placementGroupSet> <item> <groupName>Project-cluster</groupName> <strategy>cluster</strategy> <state>available</state> </item> </placementGroupSet> </DescribePlacementGroupsResponse>

Example 3

This example describes the partition placement group named HDSF-Group-A with three partitions.

Sample Request &GroupName.1=HDSF-Group-A &AUTHPARAMS

Sample Response

<DescribePlacementGroupsResponse xmlns=""> <requestID>d4904fd9-82c2-4ea5-adfe-a9cc3EXAMPLE</requestID> <placementGroupSet> <item> <groupName>HDSF-Group-A</groupName> <strategy>partition</strategy> <partitionCount>3</partitionCount> <state>available</state> </item> </placementGroupSet> </DescribePlacementGroupsResponse>

See Also

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