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https://issues.apache.org/jira/browse/FLINK-26003?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17489617#comment-17489617
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Chesnay Schepler commented on FLINK-26003:
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This is trickier than at first glance because the TaskSnapshotSnapshot is also
written to the working directory, and contains state handles etc., for which
we'd likely want to use the checkpoint serializers.
> Use Jackson serialization for persisting TaskExecutor state to working
> directory
> --------------------------------------------------------------------------------
>
> Key: FLINK-26003
> URL: https://issues.apache.org/jira/browse/FLINK-26003
> Project: Flink
> Issue Type: Improvement
> Components: Runtime / Coordination
> Affects Versions: 1.15.0
> Reporter: Till Rohrmann
> Priority: Major
> Fix For: 1.15.0
>
>
> In order to avoid Java serialization, we should use a different serialization
> format for persisting {{TaskExecutor}} state in the working directory. One
> idea could be to use Jackson for the serialization.
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