Details
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Task
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Status: Closed
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Major - P3
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Resolution: Duplicate
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None
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Sharding 2018-10-22
Description
A shard may be chosen as the coordinator by mongos when it is executing a statement in a transaction, but if the targeting round fails, mongos will clear its tracking state and may pick a different shard as the coordinator when it retries. If a shard created a coordinator and then has its transaction restarted by the retry attempt (i.e. receives a request with startTransaction=true at the active transaction number), we should ensure its TransactionCoordinator object was removed.
Attachments
Issue Links
- duplicates
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SERVER-37025 We should periodically "poke" transaction coordinator objects to drive liveness
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- Closed
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