Details
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Question
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Resolution: Incomplete
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Minor - P4
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None
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4.2.3
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None
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Minor Change
Description
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.