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https://issues.apache.org/jira/browse/FLINK-3669?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15253557#comment-15253557
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Konstantin Knauf commented on FLINK-3669:
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Aljoscha, could you have a look at
https://github.com/knaufk/flink/tree/FLINK-3669. This hopefully does timer
coalescing across windows. I am still planning to add some tests, but hopefully
I can make till the 1.0.3 release. Let's see. Not sure why Travis is failing
for 1.0 and 2.4.1, but it seems to be unrelated to the changes.
> WindowOperator registers a lot of timers at StreamTask
> ------------------------------------------------------
>
> Key: FLINK-3669
> URL: https://issues.apache.org/jira/browse/FLINK-3669
> Project: Flink
> Issue Type: Bug
> Components: Streaming
> Affects Versions: 1.0.1
> Reporter: Aljoscha Krettek
> Assignee: Konstantin Knauf
> Priority: Blocker
>
> Right now, the WindowOperator registers a timer at the StreamTask for every
> processing-time timer that a Trigger registers. We should combine several
> registered trigger timers to only register one low-level timer (timer
> coalescing).
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