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  1. MariaDB Server
  2. MDEV-28443

MDEV-15250 causes latch order violation

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    Description

      MDEV-15250 introduced latch order violation that index page latches must be acquired before undo log pages latches. But in trx_t::apply_log(), we do acquire undo log page latch before taking index page latch.

      InnoDB should copy the undo log record in trx_t::apply_log() and release the
      undo log block

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          is caused by

          Bug - A problem which impairs or prevents the functions of the product. MDEV-15250 UPSERT during ALTER-TABLE results in 'Duplicate entry' error for alter

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

          Bug - A problem which impairs or prevents the functions of the product. MDEV-27983 InnoDB hangs on multiple concurrent requests of a cold ROW_FORMAT=COMPRESSED page

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

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              marko Marko Mäkelä
              thiru Thirunarayanan Balathandayuthapani
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                Updated:
                Resolved:

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