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https://issues.apache.org/jira/browse/FLINK-22815?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17354879#comment-17354879
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Till Rohrmann commented on FLINK-22815:
---------------------------------------
We shipped UC with Flink {{1.11.0}}, right [~dwysakowicz]? Given that this
problem will potentially lead to silent data corruption on a recovery, I would
be in favor to also fix this problem in Flink {{1.11}} and doing a "last" 1.11
release.
> Disable unaligned checkpoints for broadcast partitioning
> --------------------------------------------------------
>
> Key: FLINK-22815
> URL: https://issues.apache.org/jira/browse/FLINK-22815
> Project: Flink
> Issue Type: Bug
> Components: Runtime / Checkpointing
> Affects Versions: 1.13.1, 1.12.4
> Reporter: Dawid Wysakowicz
> Assignee: Dawid Wysakowicz
> Priority: Blocker
> Fix For: 1.14.0, 1.12.5, 1.13.2
>
>
> Broadcast partitioning can not work with unaligned checkpointing. There
> are no guarantees that records are consumed at the same rate in all
> channels. This can result in some tasks applying state changes
> corresponding to a certain broadcasted event while others don't. In turn
> upon restore, it may lead to an inconsistent state.
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