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  1. MariaDB Server
  2. MDEV-22778

Slow InnoDB shutdown on large instance

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    Description

      Shutting down al large windows instance (innodb_pool_buffer_size=384GB, > 500K tables) takes much longer with 10.4 than it did with 10.3.

      Shutdown takes around 10 minutes even with innodb_fast_shutdown=1 or =3.

      innodb_defragment was originally enabled, but even after turning that off shutdown still took several minutes, even though less than with defragmentation enabled.

      Nothing special in the error log besides [Note] InnoDB: Waiting for master threadto exit once per minute.

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        1. image-2020-07-14-19-18-54-693.png
          851 kB
          Vladislav Vaintroub
        2. image-2020-07-14-19-18-55-706.png
          851 kB
          Vladislav Vaintroub
        3. mdev-11778-workaround.patch
          5 kB
          Hartmut Holzgraefe
        4. mdev-22778.sql.gz
          9.38 MB
          Hartmut Holzgraefe
        5. screenshot-1.png
          535 kB
          Vladislav Vaintroub
        6. screenshot-2.png
          851 kB
          Vladislav Vaintroub

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              marko Marko Mäkelä
              hholzgra Hartmut Holzgraefe
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                Updated:
                Resolved:

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