workaround xtrabackup error using mysql global variable old_alter_table #8340
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Description
Resubmission of #8317
Instead of backporting commits into earlier versions, we want to apply changes in earlier versions, then merge forward.
This will merge into
release-9.0branchCopy of original comment from @deepthi :
Description
Some of the xtrabackup tests have been flaky for a while. Today @vmg was able to extract the actual error from a failing test.
This seems to be a known issue with a documented workaround. Implementing the workaround.
https://www.percona.com/blog/2017/08/08/avoiding-the-an-optimized-without-redo-logging-ddloperation-has-been-performed-error-with-percona-xtrabackup/
The blog post has 3 suggestions:
--lock-ddl: only works with Percona MySQL server, we are running community MySQL server in CI--lock-ddl-per-table: did not fix the problemold_alter_table: 🤞Related Issue(s)
Fixes #8315
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Deployment Notes