Help Center/ MapReduce Service/ User Guide/ Managing Clusters/ Component Management/ Synchronizing Role Instance Configuration
Updated on 2023-05-15 GMT+08:00

Synchronizing Role Instance Configuration

Scenario

When Configuration Status of a role instance is Configuration expired or Configuration failed, you can synchronize the configuration data of the role instance with the background configuration.

Impact on the System

After synchronizing a role instance configuration, you need to restart the role instance whose configuration has expired. The role instance is unavailable during restart.

Prerequisites

You have synchronized IAM users. (On the Dashboard page, click Synchronize on the right side of IAM User Sync to synchronize IAM users.)

Figure 1 Synchronizing IAM users

Procedure

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

    Figure 2 Components tab page (using MRS 1.9.2 as an example)

  2. Select a service name.
  3. Click the Instances tab.
  4. Click the target role instance from the role instance list.
  5. Click More and select Synchronize Configuration above the role instance status and indicator information.

  6. In the dialog box that is displayed, select Restart the service or instances whose configurations have expired and click Yes to restart the role instance.