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https://issues.apache.org/jira/browse/FLINK-6207?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15945612#comment-15945612
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ASF GitHub Bot commented on FLINK-6207:
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Github user StefanRRichter closed the pull request at:
https://github.com/apache/flink/pull/3634
> Duplicate type serializers for async snapshots of CopyOnWriteStateTable
> -----------------------------------------------------------------------
>
> Key: FLINK-6207
> URL: https://issues.apache.org/jira/browse/FLINK-6207
> Project: Flink
> Issue Type: Bug
> Components: State Backends, Checkpointing
> Reporter: Stefan Richter
> Assignee: Stefan Richter
> Fix For: 1.3.0, 1.2.1
>
>
> {{TypeSerializer}} are used for copy-on-write and the parallel snapshots in
> the {{CopyOnWriteStateTable}}. For stateful serializers, this can lead to
> race conditions. Snapshots need to duplicate the serializers before using
> them.
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