Help Center/ Distributed Cache Service/ User Guide (Kuala Lumpur Region)/ FAQs/ Data Backup, Export, and Migration/ What If "Disconnecting timedout slave" and "overcoming of output buffer limits" Are Reported on the Source Instance During Online Migration?
Updated on 2024-07-29 GMT+08:00
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What If "Disconnecting timedout slave" and "overcoming of output buffer limits" Are Reported on the Source Instance During Online Migration?

The following error messages may be displayed during online migration:

  • "Disconnecting timedout slave" is reported on the source instance, as shown in the following figure:

    Solution: Set the repl-timeout parameter of the source Redis instance to 300s.

  • "overcoming of output buffer limits" is reported on the source instance, as shown in the following figure:

    Solution: Set the client-output-buffer-limit parameter of the source Redis instance to 20% of the maximum memory of the instance.