Igor Motov 4115336f5a Persistent Tasks: require correct allocation id for status updates (elastic/x-pack-elasticsearch#923)
In order to prevent tasks state updates by stale executors, this commit adds a check for correct allocation id during status update operation.

Original commit: elastic/x-pack-elasticsearch@b94eb0e863
2017-04-01 18:17:07 -04:00
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