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https://issues.apache.org/jira/browse/IMPALA-6656?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Tim Armstrong updated IMPALA-6656:
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Fix Version/s: (was: Impala 3.1.0)
> Metrics for time spent in BufferAllocator
> -----------------------------------------
>
> Key: IMPALA-6656
> URL: https://issues.apache.org/jira/browse/IMPALA-6656
> Project: IMPALA
> Issue Type: Improvement
> Components: Backend
> Reporter: Tim Armstrong
> Assignee: Tim Armstrong
> Priority: Major
> Labels: observability, resource-management
>
> We should track the total time spent and the time spent in TCMalloc so we can
> understand where time is going globally.
> I think we should shard these metrics across the arenas so we can see if the
> problem is just per-arena, and also to avoid contention between threads when
> updating the metrics.
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