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

["Kevin Conaway (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/FLUME-2920?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Kevin Conaway updated FLUME-2920:
---------------------------------
    Attachment: FLUME-2920.patch

Attaching patch via https://patch-diff.githubusercontent.com/raw/apache/flume/pull/51.patch

> 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
>         Attachments: FLUME-2920.patch
>
>
> 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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