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Displaying posts with tag: out-of-sync replication (reset)

Looking for Slave Consistency: Say Yes to –read-only and No to SUPER and –slave-skip-errors
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The biggest concern with a slave is to ensure your data is consistent with the master! End of story!

3 of the biggest things I see when dealing with out-of-sync slaves:

  • Many users do not use the --read-only option on their slaves.
  • Some of those who do often have numerous users with SUPER who can still perform writes.
  • Many users simply use --slave-skip-errors=… to avoid common errors.
  • Of course, if you have a slave, definitely use the --read-only option.

    However, SUPER users can still write on slaves with --read-only, so blindly granting SUPER to all users just to save a little time when creating users won’t help. I’d suggest to use SUPER as sparingly as possible (not to mention it’s good for security also).

    And the use of --slave-skip-errors=… is generally just a quick fix to avoid

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