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https://issues.apache.org/jira/browse/FLINK-10822?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Till Rohrmann resolved FLINK-10822.
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Resolution: Fixed
Fixed via 474fe8e8ae063e250f7f8f4eddcd799b15f8b69b
> Configurable MetricQueryService interval
> ----------------------------------------
>
> Key: FLINK-10822
> URL: https://issues.apache.org/jira/browse/FLINK-10822
> Project: Flink
> Issue Type: Improvement
> Components: Metrics
> Reporter: Chesnay Schepler
> Assignee: Till Rohrmann
> Priority: Major
> Fix For: 1.8.0
>
>
> The {{MetricQueryService}} is used for transmitting metrics from TaskManagers
> to the JobManager, in order to expose them via REST and by extension the
> WebUI.
> By default the JM will poll metrics at most every 10 seconds. This has an
> adverse effect on the duration of our end-to-end tests, which for example
> query metrics via the REST API to determine whether the cluster has started.
> If during the first poll no TM is available it will take another 10 second
> for updated information to be available.
> By making this interval configurable we could this reduce the test duration.
> Additionally this could serve as a switch to disable the
> {{MetricQueryService}}.
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