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https://issues.apache.org/jira/browse/FLINK-20717?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17258309#comment-17258309
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Piotr Nowojski commented on FLINK-20717:
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After some discussion offline, since we are introducing this metric, we decided
to modify the pre-existing `idleTimeMsPerSecond` metric, to exclude the back
pressured time out of it.
Previously `idleTimeMsPerSecond` was defined as the time task spent waiting for
either the input or the back-pressure. Now idleTimeMsPerSecond` excludes back
pressured time, so if the task is back pressured it is not idle.
> Create backPressuredTimeMsPerSecond metric
> ------------------------------------------
>
> Key: FLINK-20717
> URL: https://issues.apache.org/jira/browse/FLINK-20717
> Project: Flink
> Issue Type: Sub-task
> Components: Runtime / Metrics, Runtime / Task
> Reporter: Piotr Nowojski
> Assignee: Piotr Nowojski
> Priority: Major
> Fix For: 1.13.0
>
>
> Create {{backPressuredTimeMsPerSecond}} metric, measured similarly to the
> existing {{idleTimeMsPerSecond}}.
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