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  1. MariaDB Server
  2. MDEV-35710

cluster node hangs during shutdown if threadpool is used

Details

    Description

      with configuration of:

      thread_handling = pool-of-threads

      a cluster node may remain hanging during last steps of handling normal shutdown.
      There must be active connections in the node, while shutdown is started, and the shutdown operator apparently believes that there are still active connections, although all connections have been closed already.

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          Bug - A problem which impairs or prevents the functions of the product. MDEV-35777 MariaDB 10.11 Hangs during Shutdown

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

          Bug - A problem which impairs or prevents the functions of the product. MDEV-35777 MariaDB 10.11 Hangs during Shutdown

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

          Activity

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            sysprg Julius Goryavsky added a comment -

            The fix has been merged with the head revision: https://github.com/MariaDB/server/commit/552cba92de9952a9a07360a6791d2f63bc06470c

            sysprg Julius Goryavsky added a comment - The fix has been merged with the head revision: https://github.com/MariaDB/server/commit/552cba92de9952a9a07360a6791d2f63bc06470c
            techgeek tech geek added a comment - - edited

            Thank you Seppo Jaakola.
            @Julius Goryavsky Can you please let us know what is the current status on the fix by Seppo?

            techgeek tech geek added a comment - - edited Thank you Seppo Jaakola. @Julius Goryavsky Can you please let us know what is the current status on the fix by Seppo?
            seppo Seppo Jaakola added a comment -

            techgeek from my side, this issue is fixed. A pull request (PR) containing the fix has been submitted to MariaDB and seems to be there in review queue atm. Common practise is to fix the issue in the oldest affected MariaDB version and once the reviewer has accepted the PR, it will be merged to all upper level versions as well.

            seppo Seppo Jaakola added a comment - techgeek from my side, this issue is fixed. A pull request (PR) containing the fix has been submitted to MariaDB and seems to be there in review queue atm. Common practise is to fix the issue in the oldest affected MariaDB version and once the reviewer has accepted the PR, it will be merged to all upper level versions as well.
            techgeek tech geek added a comment -

            Hi Seppo Jaakola,

            Can we get the current status of this issue? Also, will we be getting this fix on the new minor version for 10.11.10(which will be 10.11.11) as we are seeing the same issue there too.

            techgeek tech geek added a comment - Hi Seppo Jaakola, Can we get the current status of this issue? Also, will we be getting this fix on the new minor version for 10.11.10(which will be 10.11.11) as we are seeing the same issue there too.
            techgeek tech geek added a comment - - edited

            We are seeing this issue in 10.11.10 as well MDEV-35777.

            techgeek tech geek added a comment - - edited We are seeing this issue in 10.11.10 as well MDEV-35777 .
            seppo Seppo Jaakola added a comment -

            PR submitted: https://github.com/MariaDB/server/pull/3735

            seppo Seppo Jaakola added a comment - PR submitted: https://github.com/MariaDB/server/pull/3735
            seppo Seppo Jaakola added a comment -

            Reason for the hanging during shutdown is now known and a potential fix has been developed. Next step is to prepare a deterministic test for the issue and run full cluster testing on the fix proposal

            seppo Seppo Jaakola added a comment - Reason for the hanging during shutdown is now known and a potential fix has been developed. Next step is to prepare a deterministic test for the issue and run full cluster testing on the fix proposal

            People

              sysprg Julius Goryavsky
              seppo Seppo Jaakola
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                Updated:
                Resolved:

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