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https://issues.apache.org/jira/browse/FLINK-3669?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15262013#comment-15262013
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Aljoscha Krettek commented on FLINK-3669:
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Thanks :-) Quick remark: if you include the Jira issue number in the PR title
it gets linked here, i.e. "[FLINK-3669] Timer coalescing across keys and
cleanup of unused trigger tasks"
> 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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