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  1. MariaDB Server
  2. MDEV-11703

InnoDB background threads show up in the processlist

Details

    Description

      10.2 f2fe65106f, debug build, default configuration

      		 
      MariaDB [test]> show processlist;
      		 
      +----+-------------+-----------------+------+---------+------+--------------------------+------------------+----------+
      		 
      | Id | User        | Host            | db   | Command | Time | State                    | Info             | Progress |
      		 
      +----+-------------+-----------------+------+---------+------+--------------------------+------------------+----------+
      		 
      |  1 | system user |                 | NULL | Daemon  | NULL | InnoDB background thread | NULL             |    0.000 |
      		 
      |  2 | system user |                 | NULL | Daemon  | NULL | InnoDB background thread | NULL             |    0.000 |
      		 
      |  4 | system user |                 | NULL | Daemon  | NULL | InnoDB background thread | NULL             |    0.000 |
      		 
      |  3 | system user |                 | NULL | Daemon  | NULL | InnoDB background thread | NULL             |    0.000 |
      		 
      |  5 | system user |                 | NULL | Daemon  | NULL | InnoDB background thread | NULL             |    0.000 |
      		 
      | 10 | root        | localhost:39009 | test | Query   |    0 | init                     | show processlist |    0.000 |
      		 
      +----+-------------+-----------------+------+---------+------+--------------------------+------------------+----------+
      		 
      6 rows in set (0.00 sec)

      I don't think they should be there

      Attachments

        Issue Links

          duplicates

          Bug - A problem which impairs or prevents the functions of the product. MDEV-20558 innodb processes appears in processlist, ver10.3.13

          • Minor - Minor loss of function, or other problem where easy workaround is present.
          • Closed
          is caused by

          Task - A task that needs to be done. MDEV-5800 indexes on virtual (not materialized) columns

          • Blocker - Blocks development and/or testing work, production could not run.
          • Closed
          relates to

          Bug - A problem which impairs or prevents the functions of the product. MDEV-12531 TIme column in SHOW PROCESSLIST shows NULL for InnoDB service threads

          • Major - Major loss of function.
          • Closed

          Task - A task that needs to be done. MDEV-16264 Implement a common work queue for InnoDB background tasks

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

          Task - A task that needs to be done. MDEV-18698 Show InnoDB's internal background threads in SHOW ENGINE INNODB STATUS

          • Major - Major loss of function.
          • Open

          Bug - A problem which impairs or prevents the functions of the product. MDEV-17238 Document special thread IDs used in SHOW ENGINE INNODB STATUS output

          • Major - Major loss of function.
          • Open

          Activity

            Ascending order - Click to sort in descending order
            elenst Elena Stepanova created issue -
            elenst Elena Stepanova made changes -
            Field Original Value New Value
            Description {code:sql|title=10.2 f2fe65106f, debug build, default configuration}
            MariaDB [test]> show processlist;
            +----+-------------+-----------------+------+---------+------+--------------------------+------------------+----------+
            | Id | User | Host | db | Command | Time | State | Info | Progress |
            +----+-------------+-----------------+------+---------+------+--------------------------+------------------+----------+
            | 1 | system user | | NULL | Daemon | NULL | InnoDB background thread | NULL | 0.000 |
            | 2 | system user | | NULL | Daemon | NULL | InnoDB background thread | NULL | 0.000 |
            | 4 | system user | | NULL | Daemon | NULL | InnoDB background thread | NULL | 0.000 |
            | 3 | system user | | NULL | Daemon | NULL | InnoDB background thread | NULL | 0.000 |
            | 5 | system user | | NULL | Daemon | NULL | InnoDB background thread | NULL | 0.000 |
            | 10 | root | localhost:39009 | test | Query | 0 | init | show processlist | 0.000 |
            +----+-------------+-----------------+------+---------+------+--------------------------+------------------+----------+
            6 rows in set (0.00 sec)

            I don't think they should be there             		{code:sql|title=10.2 f2fe65106f, debug build, default configuration}
            MariaDB [test]> show processlist;
            +----+-------------+-----------------+------+---------+------+--------------------------+------------------+----------+
            | Id | User | Host | db | Command | Time | State | Info | Progress |
            +----+-------------+-----------------+------+---------+------+--------------------------+------------------+----------+
            | 1 | system user | | NULL | Daemon | NULL | InnoDB background thread | NULL | 0.000 |
            | 2 | system user | | NULL | Daemon | NULL | InnoDB background thread | NULL | 0.000 |
            | 4 | system user | | NULL | Daemon | NULL | InnoDB background thread | NULL | 0.000 |
            | 3 | system user | | NULL | Daemon | NULL | InnoDB background thread | NULL | 0.000 |
            | 5 | system user | | NULL | Daemon | NULL | InnoDB background thread | NULL | 0.000 |
            | 10 | root | localhost:39009 | test | Query | 0 | init | show processlist | 0.000 |
            +----+-------------+-----------------+------+---------+------+--------------------------+------------------+----------+
            6 rows in set (0.00 sec)
            {code}

            I don't think they should be there
            marko Marko Mäkelä made changes -
            Assignee Marko Mäkelä [ marko ] Sergei Golubchik [ serg ]
            marko Marko Mäkelä made changes -
            elenst Elena Stepanova made changes -
            Labels 10.2-ga
            serg Sergei Golubchik made changes -
            Status Open [ 1 ] In Progress [ 3 ]
            serg Sergei Golubchik made changes -
            Status In Progress [ 3 ] Stalled [ 10000 ]
            serg Sergei Golubchik made changes -
            Status Stalled [ 10000 ] In Progress [ 3 ]
            serg Sergei Golubchik made changes -
            Status In Progress [ 3 ] Stalled [ 10000 ]
            serg Sergei Golubchik made changes -
            Fix Version/s 10.2.5 [ 22117 ]
            Fix Version/s 10.2 [ 14601 ]
            Resolution Fixed [ 1 ]
            Status Stalled [ 10000 ] Closed [ 6 ]
            elenst Elena Stepanova made changes -
            marko Marko Mäkelä made changes -
            serg Sergei Golubchik made changes -
            Resolution Fixed [ 1 ]
            Status Closed [ 6 ] Stalled [ 10000 ]
            serg Sergei Golubchik made changes -
            Fix Version/s 10.2 [ 14601 ]
            Fix Version/s 10.3 [ 22126 ]
            Fix Version/s 10.2.5 [ 22117 ]
            serg Sergei Golubchik made changes -
            Fix Version/s 10.4 [ 22408 ]
            Fix Version/s 10.2 [ 14601 ]
            Fix Version/s 10.3 [ 22126 ]
            serg Sergei Golubchik made changes -
            Labels 10.2-ga
            GeoffMontee Geoff Montee (Inactive) made changes -
            GeoffMontee Geoff Montee (Inactive) made changes -
            serg Sergei Golubchik made changes -
            Priority Major [ 3 ] Minor [ 4 ]
            elenst Elena Stepanova made changes -
            serg Sergei Golubchik made changes -
            Workflow MariaDB v3 [ 79045 ] MariaDB v4 [ 143499 ]

            People

              serg Sergei Golubchik
              elenst Elena Stepanova
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              Dates

                Created:
                Updated:

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