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Reviewed-by: Wagner, Fabian <fabian.wagner@t-systems.com>
Co-authored-by: wangdengke2 <wangdengke2@huawei.com>
Co-committed-by: wangdengke2 <wangdengke2@huawei.com>
2025-11-24 12:07:53 +00:00

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Upgrading the Kernel Version of Database Proxy

Scenarios

You can manually upgrade the RDS for MySQL database proxy to the latest kernel version to improve performance, add new functions, and fix problems.

For details about kernel versions, see Kernel Versions.

Upgrade Methods

A kernel version can be upgraded in either of the following ways:

If the kernel version of your instance has potential risks or major defects, has expired, or has been brought offline, the system will notify you by SMS message or email and deliver an upgrade task during the maintenance window.

Precautions

  • The upgrade duration depends on how many nodes your database proxy has. Perform the upgrade during off-peak hours.
  • During the upgrade, short connections are not affected. Persistent connections lasting for more than 24 hours will be interrupted intermittently.
  • Only HA or cluster proxies can be upgraded.

Constraints

  • Only proxy instances with kernel version 2.3.0.1 or later can be upgraded manually on the console.
  • A version upgrade cannot be rolled back after the upgrade is complete.

Procedure

  1. Log in to the management console.
  2. Click in the upper left corner and select a region and a project.
  3. Click Service List. Under Database, click Relational Database Service. The RDS console is displayed.
  4. On the Instances page, click the target DB instance.
  5. On the Database Proxy page, in the Proxy Instance Information area, click Upgrade in the Version field.
  6. In the displayed dialog box, select a scheduled time and click OK.

    • Upon submission: The system upgrades the proxy instance to the latest version immediately after you submit the request. You can view the task progress in Task Center > Instant Tasks.
    • In maintenance window: The system upgrades the proxy instance to the latest version during a maintenance window. You can view the task progress in Task Center > Scheduled Tasks.