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Posted to issues-all@impala.apache.org by "Zoltán Borók-Nagy (Jira)" <ji...@apache.org> on 2022/11/04 17:18:00 UTC
[jira] [Commented] (IMPALA-10911) Show CPU usage with Java context when running perf tools
[ https://issues.apache.org/jira/browse/IMPALA-10911?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17629124#comment-17629124 ]
Zoltán Borók-Nagy commented on IMPALA-10911:
--------------------------------------------
Hive uses async-profiler: HIVE-20202
https://github.com/jvm-profiling-tools/async-profiler
> Show CPU usage with Java context when running perf tools
> --------------------------------------------------------
>
> Key: IMPALA-10911
> URL: https://issues.apache.org/jira/browse/IMPALA-10911
> Project: IMPALA
> Issue Type: Sub-task
> Reporter: Zoltán Borók-Nagy
> Priority: Major
>
> When we are sampling CPU it is possible to retrieve Java stack frames as well, but it needs some extra work.
> See https://netflixtechblog.com/java-in-flames-e763b3d32166 for details.
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