oplog drops to zero unexpectedly

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    • Type: Question
    • Resolution: Incomplete
    • Priority: Minor - P4
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    • Affects Version/s: 4.2.3
    • Component/s: Replication
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    • Minor Change
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      On a single Secondary node of a replica set, after resizing a 1+ TB oplog a total of three (3) times (-> 51200 MB -> 25600 MB -> 5120 MB), the oplog dropped to zero/empty, and the mongod log shows no indication of having restarted.

      Please help us understand why the oplog unexpectedly became empty.

            Assignee:
            Unassigned
            Reporter:
            Barry Johnson
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              Created:
              Updated:
              Resolved: