Type:
Priority:
Resolution:
Fixed
Affects Version/s:
N/A
Likely caused by MDEV-18976 innodb_undo_log_truncate=ON lost its crash-safety status. The reason is that the pages of the being-truncated undo log tablespace were not marked as modified by the mini-transaction. The logic of logging page-free operations was changed in MDEV-18976
The failures are rare and hard to repeat, but there is some indication that a small fix to trx_purge_free_segment() would fix this.
I did not find any matching failures of the test innodb.undo_log_truncate between 10.3 and 10.5.
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Bug
Blocker
MDEV-18976 Implement a CHECKSUM redo log record for improved validation
