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  1. MariaDB Server
  2. MDEV-6530

Examine and apply Power8 patches suggested by Stewart Smith

Details

    Description

      See linked tasks for the list of patches.

      Attachments

        Issue Links

          includes

          Bug - A problem which impairs or prevents the functions of the product. MDEV-6450 MariaDB crash on Power8 when built with advance tool chain

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

          Bug - A problem which impairs or prevents the functions of the product. MDEV-6515 crash due to assertion on power8

          • Major - Major loss of function.
          • Closed

          Task - A task that needs to be done. MDEV-6531 MySQL Bug #72809 - InnoDB Linux native aio setup missing barrier after setup

          • Major - Major loss of function.
          • Closed

          Task - A task that needs to be done. MDEV-6532 MySQL Bug#72544 - Incorrect locking for global_query_id

          • Major - Major loss of function.
          • Closed

          Task - A task that needs to be done. MDEV-6533 MySQL Bug#72718 - CACHE_LINE_SIZE in innodb should be 128 on POWER

          • Major - Major loss of function.
          • Closed

          Task - A task that needs to be done. MDEV-6534 MySQL Bug#72754 - Set thread priority in InnoDB mutex spinloop

          • Major - Major loss of function.
          • Closed
          is part of

          Epic - Created by Jira Software - do not edit or delete. Issue type for a big user story that needs to be broken down. MDEV-6478 MariaDB on Power8

          • Major - Major loss of function.
          • Closed

          Activity

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            svoj Sergey Vojtovich added a comment -

            As we don't use fast mutexes since MDEV-5081 is fixed, we're probably not interested in the following patches:
            Bug#72805 - mutex_delay() creating excess memory traffic, GCC mem barrier needed
            http://bugs.mysql.com/bug.php?id=72805
            Bug#72806 - mutex_delay() missing x86 pause instruction optimization
            http://bugs.mysql.com/bug.php?id=72806
            Bug#72807 - Set thread priority in my_pthread_fastmutex_lock
            http://bugs.mysql.com/bug.php?id=72807

            svoj Sergey Vojtovich added a comment - As we don't use fast mutexes since MDEV-5081 is fixed, we're probably not interested in the following patches: Bug#72805 - mutex_delay() creating excess memory traffic, GCC mem barrier needed http://bugs.mysql.com/bug.php?id=72805 Bug#72806 - mutex_delay() missing x86 pause instruction optimization http://bugs.mysql.com/bug.php?id=72806 Bug#72807 - Set thread priority in my_pthread_fastmutex_lock http://bugs.mysql.com/bug.php?id=72807
            svoj Sergey Vojtovich added a comment -

            MySQL "Bug#72829 - LOCK_grant is major contention point, leaves 30-40% idle CPU." should have been fixed by Monty long time ago.

            svoj Sergey Vojtovich added a comment - MySQL "Bug#72829 - LOCK_grant is major contention point, leaves 30-40% idle CPU." should have been fixed by Monty long time ago.
            axel Axel Schwenke added a comment -

            all subtasks closed

            axel Axel Schwenke added a comment - all subtasks closed

            People

              axel Axel Schwenke
              svoj Sergey Vojtovich
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                Updated:
                Resolved:

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