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corruption

InnoDB full-text index corruption

In a recent customer engagement we experienced a lot of corrupted (normal) indexes and also corrupted full-text indexes on InnoDB tables in a Galera Cluster (v10.4.13).

In the error log we did not see which table it was but we have only a few log entries every here and there indicating a full-table index is corrupt:

Undefined

Which table is hit by an InnoDB page corruption?

InnoDB is known to have crash-recovery capabilities and thus is called a crash safe storage engine (in contrary to MyISAM). Never the less under certain circumstances it seems like InnoDB pages can get corrupt during a crash and then a manual crash-recovery is needed.

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