Tzu-Li (Gordon) Tai created FLINK-4753:
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Summary: Kafka 0.8 connector's Periodic Offset Committer should
synchronize on checkpoint lock
Key: FLINK-4753
URL: https://issues.apache.org/jira/browse/FLINK-4753
Project: Flink
Issue Type: Bug
Components: Kafka Connector
Reporter: Tzu-Li (Gordon) Tai
Assignee: Tzu-Li (Gordon) Tai
Fix For: 1.2.0
The {{PeriodicOffsetCommitter}} doesn't synchronize on the checkpoint lock when
creating a copy of the partition offsets in the current state.
I propose to pass the checkpoint lock into{{PeriodicOffsetCommitter}}, and let
{{PeriodicOffsetCommitter}} use {{Kafka08Fetcher#snapshotCurrentState()}} to
make the current state copy.
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