• MapReduce Service

  1. Help Center
  2. MapReduce Service
  3. User Guide
  4. MRS Manager Operation Guide
  5. Object Management
  6. Managing Role Instances

Managing Role Instances


Users can start a role instance that is in the StoppedStopped_Failed, or Start_Failed state, stop an unused or abnormal role instance, or restart an abnormal role instance to recover its functions.


  1. On MRS Manager, click Service.
  2. Select the target service from the service list.
  3. Click the Instance tab.
  4. Select the check box on the left of the target role instance.
  5. Choose More > Start InstanceStop Instance, or Restart Instance to perform the required operation.