• MapReduce Service

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  1. Help Center
  2. MapReduce Service
  3. User Guide
  4. MRS Manager Operation Guide
  5. Patch Operation Guide
  6. Patch Operation Guide for Versions Earlier than MRS 1.7.0

Patch Operation Guide for Versions Earlier than MRS 1.7.0

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.
  • The administrator has uploaded the cluster patch package to the server. For details, see Uploading the Patch Package.
  • You need to confirm the target patch to be installed according to the patch information in the patch content.

Uploading the Patch Package

  1. Access MRS Manager. For details, see Accessing MRS Manager.
  2. Choose System > Manage Patch. The Manage Patch page is displayed.
  3. Click Upload Patch and set the following parameters.

    • Patch File Path: Folder created in the OBS bucket where the patch package is stored, for example, MRS_1.6.2/MRS_1_6_2_11.tar.gz
    • Bucket: Name of the OBS bucket where the patch package is stored, for example, mrs_patch
      NOTE:

      You can obtain the bucket name and patch file path on the Patch Information tab page. The value of the Patch Path is in the following format: [Bucket name]/[Patch file path].

    • AK: For details, see My Credential > User Guide > How Do I Manage Access Keys?.
    • SK: For details, see My Credential > User Guide > How Do I Manage Access Keys?.

  4. Click OK to upload the patch.

Installing a Patch

  1. Access MRS Manager. For details, see Accessing MRS Manager.
  2. Choose System > Manage Patch. The Manage Patch page is displayed.
  3. In the Operation column, click Install.
  4. In the displayed dialog box, click OK to install the patch.
  5. After the patch is installed, you can view the installation status in the progress bar. If the installation fails, contact the administrator.

    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. Access MRS Manager. For details, see Accessing MRS Manager.
  2. Choose System > Manage Patch. The Manage Patch page is displayed.
  3. In the Operation column, click Uninstall.

    NOTE:

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