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Posted to dev@flume.apache.org by "Kevin Conaway (JIRA)" <ji...@apache.org> on 2016/06/09 12:41:20 UTC

[jira] [Created] (FLUME-2920) Kafka Channel Should Not Commit Offsets When Stopping

Kevin Conaway created FLUME-2920:
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             Summary: Kafka Channel Should Not Commit Offsets When Stopping
                 Key: FLUME-2920
                 URL: https://issues.apache.org/jira/browse/FLUME-2920
             Project: Flume
          Issue Type: Bug
          Components: Channel
    Affects Versions: v1.6.0
            Reporter: Kevin Conaway
            Priority: Critical


The Kafka channel commits the consumer offsets when shutting down (via stop() -> decommissionConsumerAndRecords())

This can lead to data loss if the channel is shut down while messages have been fetched in a transaction but the transaction has not yet been committed.

The only time that the offsets should be committed is when a transaction is complete.



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