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  1. MariaDB Server
  2. MDEV-20688

Recovery crashes after unnecessarily reading a corrupted page

Details

    Description

      The test encryption.innodb-redo-badkey was accidentally disabled until recently. Once it was enabled, it started failing randomly.

      According to thiru, the crash occurs when recovery reads a corrupted page (or a page that cannot be decrypted) for which no redo log has been buffered, via the read-ahead mechanism. In this case, recovery should simply ignore the corrupted page.

      Attachments

        Issue Links

          is caused by

          Bug - A problem which impairs or prevents the functions of the product. MDEV-12699 Improve crash recovery of corrupted data pages

          • Major - Major loss of function.
          • Closed
          relates to

          Bug - A problem which impairs or prevents the functions of the product. MDEV-20755 InnoDB: Database page corruption on disk or a failed file read of tablespace upon prepare of mariabackup incremental backup

          • Major - Major loss of function.
          • Closed

          Bug - A problem which impairs or prevents the functions of the product. MDEV-21572 buf_page_get_gen() should apply buffered page initialized redo log during recovery

          • Critical - Crashes, loss of data, severe memory leak.
          • Closed

          Activity

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            marko Marko Mäkelä created issue -
            marko Marko Mäkelä made changes -
            Field Original Value New Value
            marko Marko Mäkelä made changes -
            issue.field.resolutiondate 2019-09-27 12:19:43.0 2019-09-27 12:19:43.275
            marko Marko Mäkelä made changes -
            Fix Version/s 10.2.28 [ 23910 ]
            Fix Version/s 10.3.19 [ 23908 ]
            Fix Version/s 10.4.9 [ 23906 ]
            Fix Version/s 10.2 [ 14601 ]
            Fix Version/s 10.3 [ 22126 ]
            Fix Version/s 10.4 [ 22408 ]
            Assignee Marko Mäkelä [ marko ] Thirunarayanan Balathandayuthapani [ thiru ]
            Resolution Fixed [ 1 ]
            Status Open [ 1 ] Closed [ 6 ]
            marko Marko Mäkelä made changes -
            marko Marko Mäkelä added a comment -

            As reported in MDEV-21572, recovery still is unnecessarily reading some pages.

            marko Marko Mäkelä added a comment - As reported in MDEV-21572 , recovery still is unnecessarily reading some pages.
            thiru Thirunarayanan Balathandayuthapani made changes -
            thiru Thirunarayanan Balathandayuthapani made changes -
            marko Marko Mäkelä made changes -
            serg Sergei Golubchik made changes -
            Workflow MariaDB v3 [ 100021 ] MariaDB v4 [ 156796 ]

            People

              thiru Thirunarayanan Balathandayuthapani
              marko Marko Mäkelä
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              Dates

                Created:
                Updated:
                Resolved:

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