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https://issues.apache.org/jira/browse/FLINK-13550?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17313104#comment-17313104
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Arvid Heise commented on FLINK-13550:
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Merged into master for 1.13 as
e9385051cd2ac7110f02b361ac503d9153441f9f..12a99e8fe84c28fb250028b4fde4025ec9dc00c9.
Thanks [~dmvk] and [~afedulov] for your contributions!
> Support for CPU FlameGraphs in new web UI
> -----------------------------------------
>
> Key: FLINK-13550
> URL: https://issues.apache.org/jira/browse/FLINK-13550
> Project: Flink
> Issue Type: New Feature
> Components: Runtime / REST, Runtime / Web Frontend
> Reporter: David Morávek
> Assignee: Alexander Fedulov
> Priority: Major
> Labels: pull-request-available
>
> For a better insight into a running job, it would be useful to have ability
> to render a CPU flame graph for a particular job vertex.
> Flink already has a stack-trace sampling mechanism in-place, so it should be
> straightforward to implement.
> This should be done by implementing a new endpoint in REST API, which would
> sample the stack-trace the same way as current BackPressureTracker does, only
> with a different sampling rate and length of sampling.
> [Here|https://www.youtube.com/watch?v=GUNDehj9z9o] is a little demo of the
> feature.
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