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  1. MariaDB Server
  2. MDEV-4069

thd_wait_end does not called in some cases in buf_page_read_low in XtraDB engine

Details

    • Bug
    • Status: Closed (View Workflow)
    • Major
    • Resolution: Fixed
    • 5.5.28a
    • 5.5.29
    • None
    • None

    Description

      in file storage/xtradb/buf/buf0rea.c, buf_read_page_low(),
      thd_wait_begin() is called when synchronous is requested, however thd_wait_end() is not called in case of fil_io() returns error DB_TABLESPACE_DELETED.

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          View 4 older comments
          sergei Sergei Glushchenko added a comment -

          I see. Thank you four your reply, Vladislav.

          sergei Sergei Glushchenko added a comment - I see. Thank you four your reply, Vladislav.
          laurynas Laurynas Biveinis added a comment -

          Re. InnoDB, is there an Oracle bug report that thd_wait_begin/end should called only for sync reads? I searched around, but didn't find anything.

          laurynas Laurynas Biveinis added a comment - Re. InnoDB, is there an Oracle bug report that thd_wait_begin/end should called only for sync reads? I searched around, but didn't find anything.
          serg Sergei Golubchik added a comment -

          not that I know of. Most of the bug reports are now in the private Oracle bug database anyway.

          serg Sergei Golubchik added a comment - not that I know of. Most of the bug reports are now in the private Oracle bug database anyway.
          wlad Vladislav Vaintroub added a comment -

          I did not report it, if the question is about it - I would not be able to prove the bug without commercial version of MySQL anyway.

          wlad Vladislav Vaintroub added a comment - I did not report it, if the question is about it - I would not be able to prove the bug without commercial version of MySQL anyway.
          laurynas Laurynas Biveinis added a comment -

          Let's troll them and see what happens: http://bugs.mysql.com/bug.php?id=68197. In the best case it will reduce the XtraDB delta for us. Sergei Glushchenko, can you duplicate that bug for PS and link it to the threadpool MP?

          laurynas Laurynas Biveinis added a comment - Let's troll them and see what happens: http://bugs.mysql.com/bug.php?id=68197 . In the best case it will reduce the XtraDB delta for us. Sergei Glushchenko, can you duplicate that bug for PS and link it to the threadpool MP?

          People

            serg Sergei Golubchik
            sergei Sergei Glushchenko
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              Updated:
              Resolved:

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