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https://issues.apache.org/jira/browse/FLINK-29349?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17608056#comment-17608056
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dalongliu commented on FLINK-29349:
-----------------------------------
This is duplicated with FLINK-22956?
> 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
> 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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