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https://issues.apache.org/jira/browse/FLINK-5105?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Flink Jira Bot updated FLINK-5105:
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Labels: auto-deprioritized-major auto-unassigned (was: auto-unassigned
stale-major)
Priority: Minor (was: Major)
This issue was labeled "stale-major" 7 days ago and has not received any
updates so it is being deprioritized. If this ticket is actually Major, please
raise the priority and ask a committer to assign you the issue or revive the
public discussion.
> Improve ReduceState: value put into ReducingState should always be a copy
> -------------------------------------------------------------------------
>
> Key: FLINK-5105
> URL: https://issues.apache.org/jira/browse/FLINK-5105
> Project: Flink
> Issue Type: Improvement
> Components: Runtime / State Backends
> Reporter: sunjincheng
> Priority: Minor
> Labels: auto-deprioritized-major, auto-unassigned
>
> In case of overlapping sliding windows, multiple references are hold on the
> same object. If we modify value1 or value2 the results are incorrect. The
> value that is put into a ReducingState is always copied. That would allow to
> modify and emit one of the two input values (the one which is comes from the
> state).
> The FoldingState has the same problem.
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