Merge pull request #790 from sleto-it/3.x

Alerted instead of altered - fix pt-online-schema-change doc
This commit is contained in:
Sveta Smirnova
2024-03-26 13:57:26 +03:00
committed by GitHub

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@@ -12420,7 +12420,7 @@ C<innodb_stats_persistent> is enabled. Specify the option explicitly to enable
or disable it regardless of MySQL version and C<innodb_stats_persistent>.
This circumvents a potentially serious issue related to InnoDB optimizer
statistics. If the table being alerted is busy and the tool completes quickly,
statistics. If the table being altered is busy and the tool completes quickly,
the new table will not have optimizer statistics after being swapped. This can
cause fast, index-using queries to do full table scans until optimizer
statistics are updated (usually after 10 seconds). If the table is large and