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Help Center/ Distributed Cache Service/ Data Migration Guide/ FAQs/ What If "Disconnecting timedout slave" and "overcoming of output buffer limits" Are Reported on the Source Instance During Online Migration?

What If "Disconnecting timedout slave" and "overcoming of output buffer limits" Are Reported on the Source Instance During Online Migration?

Updated on 2022-09-15 GMT+08:00

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.

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