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https://issues.apache.org/jira/browse/FLINK-29349?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17609336#comment-17609336
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lincoln lee commented on FLINK-29349:
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thanks [~lzljs3620320]! I've submitted a pr for this ticket, and it would be
appreciated if you have some time to review it.
> Use state ttl instead of timer to clean up state in proctime unbounded over
> aggregate
> -------------------------------------------------------------------------------------
>
> Key: FLINK-29349
> URL: https://issues.apache.org/jira/browse/FLINK-29349
> Project: Flink
> Issue Type: Improvement
> Components: Table SQL / Runtime
> Affects Versions: 1.16.0, 1.15.2
> Reporter: lincoln lee
> Priority: Major
> Labels: pull-request-available
> Fix For: 1.17.0
>
>
> Currently we rely on the timer based state cleaning in proctime over
> aggregate, this can be optimized to use state ttl for a more efficienct way
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