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Type:
Investigation
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Resolution: Gone away
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Priority:
Major - P3
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None
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Affects Version/s: 4.4.0
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Component/s: None
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Environment:Ubuntu 20.04 5.4.0-1038-aws, mongodb 4.4.0, mongodump 100.3.0-1-g0536cca3
Problem Description
backing up with mongodump fails with CursorNotFound
mongodump --username xxx --authenticationDatabase admin --ssl --host db2 --oplog --gzip --archive
Failed: archive writer: error writing data for collection `cureatr.user_messages` to disk: error reading collection: (CursorNotFound) cursor id 8068934611190387251 not found / Mux ending but selectCases still open 4
Steps to Reproduce
run mongodump, sometimes it fails sometimes it works
Expected Results
always works
Actual Results
sometimes fails
Additional Notes
attached are the mongodb.log entries containing "mongodump" during this failed backup