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  1. MariaDB Server
  2. MDEV-4887

Sequence plugin is always busy?

        Details

        • Type: Bug
        • Status: Closed
        • Priority: Minor
        • Resolution: Not a Bug
        • Affects Version/s: 10.0.3
        • Fix Version/s: None
        • Component/s: None
        • Labels:
          None
        • Environment:
          WinXP

          Description

          If I try to uninstall sequence engine I always get the following warning:

          MariaDB [test]> UNINSTALL SONAME 'ha_sequence';
Query OK, 0 rows affected, 1 warning (0.00 sec)

MariaDB [test]> SHOW WARNINGS;
+---------+------+----------------------------------------------------+
| Level   | Code | Message                                            |
+---------+------+----------------------------------------------------+
| Warning | 1620 | Plugin is busy and will be uninstalled on shutdown |
+---------+------+----------------------------------------------------+
1 row in set (0.00 sec)

          It doesn't happen with other engines.

          I don't know if it's a bug or if it's really a problem... I report it just because you may want to know.

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                serg Sergei Golubchik added a comment -

                It's not a bug. A storage engine plugin is "busy" as long as any table of this engine is still open, even if unused.

                Perhaps you have some instances of Sequence tables in the table definition cache. Run FLUSH TABLES — they'll go away and the plugin will be unloaded, there is no need to wait till shutdown.

                Show
                serg Sergei Golubchik added a comment - It's not a bug. A storage engine plugin is "busy" as long as any table of this engine is still open, even if unused. Perhaps you have some instances of Sequence tables in the table definition cache. Run FLUSH TABLES — they'll go away and the plugin will be unloaded, there is no need to wait till shutdown.

                  People

                  • Assignee:
                    serg Sergei Golubchik
                    Reporter:
                    f_razzoli Federico Razzoli
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                    • Created:
                      Updated:
                      Resolved: