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  1. MariaDB MaxScale
  2. MXS-2701

Worker load balance need improve

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Details

    • Bug
    • Status: Closed (View Workflow)
    • Major
    • Resolution: Fixed
    • 2.2.21, 2.3.12
    • 2.5.0
    • Core
    • None

    Description

      Round-bin is not good enough, we encounter such a problem:

      An instance with 44 threads(64 cpu cores), consume only CPU:230%, unfortunately several sessions with heavy load assigned to some worker, and these worker's pipe is fully ,
      then some connecting faild

      2019-09-24 14:16:59   error  : (16777222) Failed to write message: 11, Resource temporarily unavailable
      		 
      2019-09-24 14:16:59   error  : (16777222) Could not post task to add DCB to worker.
      		 
      2019-09-24 14:16:59   error  : (16777222) [mariadbclient] Failed to add dcb 0x7fd89701e590 for fd 2814 to epoll set.

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        Issue Links

          relates to

          Task - A task that needs to be done. MXS-2729 Implement worker load balancing

          • Major - Major loss of function.
          • Closed

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              Unassigned Unassigned
              dapeng dapeng huang
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              Dates

                Created:
                Updated:
                Resolved:

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