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https://issues.apache.org/jira/browse/FLINK-29349?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17608100#comment-17608100
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lincoln lee commented on FLINK-29349:
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[~lsy] I took a look at the FLINK-22956, there did exist overlaps, jingsong has
tried to remove timers for all over agg functions, but it looks like most of
the operators have semantic dependencies and the pr was closed. Btw,
FLINK-22956 seems not strongly related to the umbrella ticket which aimed for
'Supports change log inputs for event time operators',
[~lzljs3620320] do you have a plan for continuing FLINK-22956? If not, do we
just keep this new issue (only modify the proctime unbounded over agg operator)
and close the former one(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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