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Posted to dev@kafka.apache.org by "Damian Guy (JIRA)" <ji...@apache.org> on 2016/12/20 15:18:58 UTC
[jira] [Work started] (KAFKA-4561) Ordering of operations in
StreamThread.shutdownTasksAndState may void at-least-once guarantees
[ https://issues.apache.org/jira/browse/KAFKA-4561?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Work on KAFKA-4561 started by Damian Guy.
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> Ordering of operations in StreamThread.shutdownTasksAndState may void at-least-once guarantees
> ----------------------------------------------------------------------------------------------
>
> Key: KAFKA-4561
> URL: https://issues.apache.org/jira/browse/KAFKA-4561
> Project: Kafka
> Issue Type: Bug
> Components: streams
> Affects Versions: 0.10.2.0
> Reporter: Damian Guy
> Assignee: Damian Guy
> Fix For: 0.10.2.0
>
>
> In {{shutdownTasksAndState}} we currently commit offsets as the first step. If a subsequent step throws an exception, i.e, flushing the producer, then this would violate the at-least-once guarantees.
> We need to commit after all other state has been flushed
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