E-MapReduce 如何调整集群规模?

ResizeCluster 调整集群



请求参数

1. [backcolor=transparent]https[backcolor=transparent]:[backcolor=transparent]//emr.aliyuncs.com/?Action=ResizeCluster
2. [backcolor=transparent]&[backcolor=transparent]NewMasterInstances[backcolor=transparent]=[backcolor=transparent]1
3. [backcolor=transparent]&[backcolor=transparent]NewCoreInstances[backcolor=transparent]=[backcolor=transparent]3
4. [backcolor=transparent]&[backcolor=transparent]NewTaskInstances[backcolor=transparent]=[backcolor=transparent]0
5. [backcolor=transparent]&[backcolor=transparent]ClusterId[backcolor=transparent]=[backcolor=transparent]500003112
6. [backcolor=transparent]&[backcolor=transparent]RegionId[backcolor=transparent]=[backcolor=transparent]cn[backcolor=transparent]-[backcolor=transparent]hangzhou
7. [backcolor=transparent]&公共请求参数

JSON 格式

1. [backcolor=transparent]{
2. [backcolor=transparent]    [backcolor=transparent]"RequestId"[backcolor=transparent]:[backcolor=transparent] [backcolor=transparent]"34B08619-2636-49F9-AB4E-CD8D347B1E07"
3. [backcolor=transparent]}