On a large database (or a number of large databases) db.upgradeCheck() can time out, leaving the user without a definitive response as to the status of their upgrade:
mongos> use admin switched to db admin mongos> db.upgradeCheckAllDbs() ... ... 23766468 documents processed 23804050 documents processed 23842477 documents processed 2014-03-11T00:41:55.871+0000 error: { "$err" : "getMore: cursor didn't exist on server, possible restart or timeout?", "code" : 13127 } at src/mongo/shell/query.js:131
- is related to
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SERVER-8391 Pre-flight upgrade tool to check for changes breaking backwards compatibility or introducing regressions
- Closed