See SERVER-18213 for a more detailed and accurate description. Significant production of logs containing the message:
WriteConflict error: this operation conflicted with another operation. Please retry your operation or multi-document transaction.
This are happening 100% of the time with findAndModify commands that would have returned zero records and would have updated zero records.
- backported by
-
SERVER-18213 Lots of WriteConflict during multi-upsert with WiredTiger storage engine
- Closed