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  1. MariaDB Server
  2. MDEV-7109

Add support for INFORMATION_SCHEMA.INNODB_SEMAPHORE_WAITS

Details

    Description

      Add I_S to query current semaphore waits.

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          causes

          Bug - A problem which impairs or prevents the functions of the product. MDEV-18250 [Draft] Server crashed in dirname_length / innobase_basename / sync_arr_fill_sys_semphore_waits_table

          • Major - Major loss of function.
          • Closed
          includes

          Task - A task that needs to be done. MDEV-7618 Improve semaphore instrumentation

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

          Task - A task that needs to be done. MDEV-7399 Add support for INFORMATION_SCHEMA.INNODB_MUTEXES

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

          Bug - A problem which impairs or prevents the functions of the product. MDEV-15653 [Draft] Assertion `lock_word <= 0x20000000' failed in rw_lock_get_writer

          • Major - Major loss of function.
          • Closed

          Bug - A problem which impairs or prevents the functions of the product. MDEV-21330 Lock monitor doesn't print a semaphore's last reserved thread in non-debug builds and INFORMATION_SCHEMA.INNODB_SYS_SEMAPHORE_WAITS is totally broken

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

          Bug - A problem which impairs or prevents the functions of the product. MDEV-21452 Use condition variables and normal mutexes instead of InnoDB os_event and mutex

          • Major - Major loss of function.
          • Closed

          Bug - A problem which impairs or prevents the functions of the product. MDEV-24142 rw_lock_t has unnecessarily complex wait logic

          • Major - Major loss of function.
          • Closed

          Bug - A problem which impairs or prevents the functions of the product. MDEV-24167 InnoDB unnecessarily uses complex rw-lock implementation

          • Major - Major loss of function.
          • Closed

          Activity

            Transition Time In Source Status Execution Times
            Jan Lindström (Inactive) made transition -
            Open In Progress
            		49d 22h 35m 1
            Jan Lindström (Inactive) made transition -
            In Progress Closed
            		51d 18h 50m 1

            People

              jplindst Jan Lindström (Inactive)
              jplindst Jan Lindström (Inactive)
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              Dates

                Created:
                Updated:
                Resolved:

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