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ModifyInstanceGroups
Description
ModifyInstanceGroups modifies the number of nodes and configuration settings of an instance group. The input parameters include the new target instance count for the group and the instance group ID. The call will either succeed or fail atomically.
Request Parameters
For information about the common parameters that all actions use, see Common Query Parameters.
| Name | Description | Required |
|---|---|---|
InstanceGroups.member.N
|
Instance groups to change. Type: InstanceGroupModifyConfig list | No |
Errors
For information about the common errors that all actions use, see Common Errors.
| Error | Description | HTTP Status Code |
|---|---|---|
InternalServerError
|
Indicates that an error occurred while processing the request and that the request was not completed. | 500 |
Examples
Sample Request
https://elasticmapreduce.amazonaws.com?Action=ModifyInstanceGroups &InstanceGroups.member.1.InstanceGroupId=i-3UN6WX5RRO2AG &InstanceGroups.member.1.InstanceRequestCount=2 &AuthParams
Sample Response
<ModifyInstanceGroupsResponse xmlns="http://elasticmapreduce.amazonaws.com/doc/2009-03-31">
<ResponseMetadata>
<RequestId>
2690d7eb-ed86-11dd-9877-6fad448a8419
</RequestId>
</ResponseMetadata>
</ModifyInstanceGroupsResponse>
