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https://issues.apache.org/jira/browse/IMPALA-15587?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Joe McDonnell resolved IMPALA-15587.
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Fix Version/s: Not Applicable
Resolution: Duplicate
> Detect number of CPU cores that Impala can actually run on
> ----------------------------------------------------------
>
> Key: IMPALA-15587
> URL: https://issues.apache.org/jira/browse/IMPALA-15587
> Project: IMPALA
> Issue Type: Improvement
> Components: Backend
> Affects Versions: Impala 5.0.0
> Reporter: Joe McDonnell
> Priority: Major
> Fix For: Not Applicable
>
>
> With taskset and other tools, Impalas can be bound to specific cores. The
> current logic in cpu-info.cc does not detect this, but this would be useful
> to know for diagnostics and running the right number of threads. We can get
> this information using sched_getaffinity().
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