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  1. MariaDB Server
  2. MDEV-12699

Improve crash recovery of corrupted data pages

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    • 10.2.11

    Description

      If a page cannot be decrypted (or read) during crash recovery, InnoDB should cleanly abort the startup. If innodb_force_recovery is specified, we should ignore the problematic page and apply redo log to other pages.

      If there is a MLOG_INIT_FILE_PAGE or MLOG_ZIP_PAGE_COMPRESS record for a corrupted page, we can always safely ignore the previous page contents and apply the redo log. There is no need to read a page from the data file when applying MLOG_INIT_FILE_PAGE or MLOG_ZIP_PAGE_COMPRESS.

      Currently in 10.2, the test encryption.innodb-redo-badkey randomly fails, possibly because of this. Also, the test innodb.innodb_bug14147491 needs to be extended.

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              marko Marko Mäkelä
              marko Marko Mäkelä
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