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  1. MariaDB ColumnStore
  2. MCOL-1507

ExeMgr over using memory causing swap and system restarts to occur

Details

    • Bug
    • Status: Closed (View Workflow)
    • Major
    • Resolution: Duplicate
    • 1.1.5
    • 1.1.7
    • ExeMgr
    • None
    • 1um 2pm system
    • 2018-13, 2018-14, 2018-15, 2018-16, 2018-17, 2018-18, 2018-19, 2018-20

    Description

      Customer reporting that ExeMgr is going way over its TotalUmMemory seeing of 50% to the point that its hitting swap space and a system restart is occurring..

      Issue maybe related to how ExeMgr handles ByteStream

      err: Jun 25 17:47:24 usfit-sctst2 ServerMonitor[5993]: 24.937868 |0|0|0| C 09 CAL0000: Swap Space usage over Major threashold, perform OAM command restartSystem

      debug :

      Jun 25 17:32:29 usfit-sctst2 ServerMonitor[5993]: 29.593575 |0|0|0| I 09 CAL0000: Local Memory above Critical Memory threshold with a percentage of 90 ; Swap 0
      Jun 25 17:32:29 usfit-sctst2 ServerMonitor[5993]: 29.607779 |0|0|0| I 09 CAL0000: Local-Memory usage at percentage of 90 , Alarm set: 7
      Jun 25 17:32:29 usfit-sctst2 ServerMonitor[5993]: 29.662047 |0|0|0| I 09 CAL0000: Memory Usage for Process: python : Memory Used 4503 : % Used 1
      Jun 25 17:32:29 usfit-sctst2 ServerMonitor[5993]: 29.662136 |0|0|0| I 09 CAL0000: Memory Usage for Process: systemd-journald : Memory Used 10211 : % Used 1
      Jun 25 17:32:29 usfit-sctst2 ServerMonitor[5993]: 29.662193 |0|0|0| I 09 CAL0000: Memory Usage for Process: mysqld : Memory Used 21652 : % Used 1
      Jun 25 17:32:29 usfit-sctst2 ServerMonitor[5993]: 29.662248 |0|0|0| I 09 CAL0000: Memory Usage for Process: dsm_om_connsvcd : Memory Used 37009 : % Used 1
      Jun 25 17:32:29 usfit-sctst2 ServerMonitor[5993]: 29.662302 |0|0|0| I 09 CAL0000: Memory Usage for Process: ExeMgr : Memory Used 17289954 : % Used 88

      Attachments

        Issue Links

          duplicates

          Bug - A problem which impairs or prevents the functions of the product. MCOL-1750 Thread stack memory leak in ThreadPool

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

          Activity

            Ascending order - Click to sort in descending order
            LinuxJedi Andrew Hutchings (Inactive) added a comment -

            Issue is ByteStream for the output is growing to fulfil the entire result set and doesn't shrink again until the end of the query.

            LinuxJedi Andrew Hutchings (Inactive) added a comment - Issue is ByteStream for the output is growing to fulfil the entire result set and doesn't shrink again until the end of the query.
            LinuxJedi Andrew Hutchings (Inactive) added a comment -

            Duplicate of MCOL-1750

            LinuxJedi Andrew Hutchings (Inactive) added a comment - Duplicate of MCOL-1750

            People

              LinuxJedi Andrew Hutchings (Inactive)
              hill David Hill (Inactive)
              Votes:
              2 Vote for this issue
              Watchers:
              5 Start watching this issue

              Dates

                Created:
                Updated:
                Resolved:

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