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  1. Core Server
  2. SERVER-42598

Periodic slow queries

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    Details

    • Type: Bug
    • Status: Closed
    • Priority: Major - P3
    • Resolution: Done
    • Affects Version/s: 4.0.9
    • Fix Version/s: None
    • Component/s: Performance, WiredTiger
    • Labels:
      None
    • Environment:
      Ubuntu 16.04 LTS, AWS i3.16xl
    • Operating System:
      ALL
    • Steps To Reproduce:
      Hide

      Happens very regularly

      Show
      Happens very regularly

      Description

      Hi, we're seeing periodic slow queries in our mongo logs for queries on _id and is indexed. We recently made lots of effort on trimming down our database size as well as index size and synced a new replica set so compaction happened, our indexes now should fit in memory but we are still seeing poor performance on basic queries.

      Attached you can find our diagnostics data

        Attachments

        1. diag.zip
          91.47 MB

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              Dates

              • Created:
                Updated:
                Resolved: