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  1. MariaDB ColumnStore
  2. MCOL-1738

ExeMgr causes OOM restart after 2~ hours

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Details

    • Bug
    • Status: Closed (View Workflow)
    • Blocker
    • Resolution: Fixed
    • 1.1.6
    • Icebox
    • ExeMgr
    • None
    • Ubuntu 18.04
      512GB Ram Singlenode Server

    Description

      We set up a new Singlenode MariaDb Columnstore Server to gather some statistics every day.
      Running about 300~ Queries a 60~ seconds, 4 at a time.

      While the queries are running the ExeMgr slowly fills up the complete RAM till the complete 512GB RAM are full and the Columstore restarts because of OOM.

      Already tried to reduce all RAM related Configs in the Columnstore.xml like
      NumBlocksPct, TotalUmMemory, TotalPmUmMemory

      No difference, still causing OOM after about 2 hours

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            Unassigned Unassigned
            DanielW Dalu (Inactive)
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            Dates

              Created:
              Updated:
              Resolved:

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