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https://issues.apache.org/jira/browse/IMPALA-15021?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Joe McDonnell resolved IMPALA-15021.
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Fix Version/s: Impala 5.0.0
Resolution: Fixed
> Remove one of the gperftools tcmalloc thread cache metrics
> ----------------------------------------------------------
>
> Key: IMPALA-15021
> URL: https://issues.apache.org/jira/browse/IMPALA-15021
> Project: IMPALA
> Issue Type: Task
> Components: Backend
> Affects Versions: Impala 5.0.0
> Reporter: Joe McDonnell
> Assignee: Joe McDonnell
> Priority: Minor
> Fix For: Impala 5.0.0
>
>
> In IMPALA-14874, we added additional gperftools TCMalloc metrics. This
> included both tcmalloc.current-total-thread-cache-bytes and
> tcmalloc.thread-cache-free-bytes, which map down to the gperftools metrics
> tcmalloc.current_total_thread_cache_bytes and
> tcmalloc.thread_cache_free_bytes respectively. Inside the gperftools code,
> these are actually the same counter, so we can remove one.
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