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https://issues.apache.org/jira/browse/IMPALA-7474?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Tim Armstrong resolved IMPALA-7474.
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Resolution: Won't Fix
> Tool to identify CPU bottlenecks
> --------------------------------
>
> Key: IMPALA-7474
> URL: https://issues.apache.org/jira/browse/IMPALA-7474
> Project: IMPALA
> Issue Type: Improvement
> Affects Versions: Impala 2.12.0
> Reporter: Anuj Phadke
> Assignee: Anuj Phadke
> Priority: Major
> Labels: supportability
>
> We run into a bunch of issues where we run impala into hangs or impacts query
> performance issues due to a very high CPU usage.
> A tool which periodically collects stacks from impala (when enabled) and
> prints calls with high CPU usage would be very useful for debugging such
> issues.
> Running this tool should ideally incur a minimalistic overhead on impalad
> while collecting the stacks.
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