Help Center > > User Guide> Managing Active Clusters> Managing a Component> Managing Services

Managing Services

Updated at: Apr 28, 2020 GMT+08:00

On MRS Manager, users can perform the following operations:

  • Start a service that is in the Stopped, Stopped_Failed, or Start_Failed state.
  • Stop unused or abnormal services.
  • Restart abnormal services or configure expired services to restore or enable the services.


IAM user synchronization has been completed. (On the Dashboard tab page of the cluster details page, click on the right side of IAM User Sync to synchronize IAM users.)

Figure 1 IAM User Sync


  1. On the MRS cluster details page, click Components.

    Figure 2 Components

    For MRS 1.8.10 or earlier, follow instructions in Managing Services.

  2. Locate the row that contains the target service, click Start, Stop, or Restart to start, stop, or restart the service.

    Services are interrelated. If a service is started, stopped, or restarted, services dependent on it will be affected.

    The services will be affected in the following ways:

    • If a service is to be started, the lower-layer services dependent on it must be started first.
    • If a service is stopped, the upper-layer services dependent on it are unavailable.
    • If a service is restarted, the running upper-layer services dependent on it must be restarted.

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