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  1. Core Server
  2. SERVER-22717

Sudden (huge) spike in Oplog GB/hour on primary member

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    • Icon: Bug Bug
    • Resolution: Duplicate
    • Icon: Critical - P2 Critical - P2
    • None
    • 3.0.9
    • Replication
    • None
    • Amazon Linux
    • Linux

    Description

      Sudden (huge) spike in Oplog GB/hour on primary member rendered secondaries in "RECOVERY" state. There was no spike in Opcounters, so no idea what went wrong there. Since it's a production db, I wasn't able to wait to collect more information about the issue.

      I have added the relevant MMS graphs. Notice the "Oplog GB/hour". First one is primary member, others are secondaries - all running v3.0.9 WiredTiger.

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        1. mms.png
          mms.png
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            Unassigned Unassigned
            amanpreet@codigami.com Amanpreet Singh
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              Created:
              Updated:
              Resolved: