• MapReduce Service

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  2. MapReduce Service
  3. User Guide
  4. MRS Manager Operation Guide
  5. Patch Operation Guide
  6. Patch Operation Guide for MRS 1.7.0 or Later

Patch Operation Guide for MRS 1.7.0 or Later

If you obtain patch information from the following sources, upgrade the patch according to actual requirements.

  • You obtain information about the patch released by MRS from a message pushed by the message center service.
  • You obtain information about the patch by accessing the cluster and viewing patch information.

Preparing for Patch Installation

  • Follow instructions in Performing a Health Check to check cluster status. If the cluster health status is normal, install a patch.
  • You need to confirm the target patch to be installed according to the patch information in the patch content.

Installing a Patch

  1. Log in to the MRS management console.
  2. Choose Cluster > Active Cluster and click the name of the cluster to be queried to enter the page displaying the cluster's basic information.
  3. On the Patch Information page, click Install in the Operation column to install the target patch.

    NOTE:

    For the isolated host nodes in the cluster, follow instructions in Restoring Patches for the Isolated Hosts to restore the patch.

Uninstalling a Patch

  1. Log in to the MRS management console.
  2. Choose Cluster > Active Cluster and click the name of the cluster to be queried to enter the page displaying the cluster's basic information.
  3. On the Patch Information page, click Uninstall in the Operation column to uninstall the target patch.

    NOTE:

    For the isolated host nodes in the cluster, follow instructions in Restoring Patches for the Isolated Hosts to restore the patch.