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  1. MariaDB Server
  2. MDEV-21327

Notify tpool threadpool about MDL waits

Details

    Description

      As Innodb background threads are using MDL lock now, the threadpool should be notified
      about the waits via tpool_wait_begin/end.

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        Issue Links

          is caused by

          Task - A task that needs to be done. MDEV-16678 Use MDL for innodb background threads instead of dict_operation_lock

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

          Activity

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            wlad Vladislav Vaintroub created issue -
            wlad Vladislav Vaintroub made changes -
            Field Original Value New Value
            svoj Sergey Vojtovich added a comment -

            There's already thd_wait_begin() call in mdl. May be we should set special thd->scheduler to implement this?

            svoj Sergey Vojtovich added a comment - There's already thd_wait_begin() call in mdl. May be we should set special thd->scheduler to implement this?
            wlad Vladislav Vaintroub added a comment - - edited

            There is no THD in the background threads, or should not be.

            wlad Vladislav Vaintroub added a comment - - edited There is no THD in the background threads, or should not be.
            svoj Sergey Vojtovich added a comment -

            Then it should probably be MDL_context method.

            svoj Sergey Vojtovich added a comment - Then it should probably be MDL_context method.
            wlad Vladislav Vaintroub made changes -
            Assignee Vladislav Vaintroub [ wlad ]
            julien.fritsch Julien Fritsch made changes -
            Fixing Priority 250
            wlad Vladislav Vaintroub made changes -
            Fix Version/s 10.5.2 [ 24030 ]
            Resolution Fixed [ 1 ]
            Status Open [ 1 ] Closed [ 6 ]
            serg Sergei Golubchik made changes -
            Workflow MariaDB v3 [ 102105 ] MariaDB v4 [ 134157 ]

            People

              wlad Vladislav Vaintroub
              wlad Vladislav Vaintroub
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              Dates

                Created:
                Updated:
                Resolved:

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