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https://issues.apache.org/jira/browse/IMPALA-8884?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Tim Armstrong resolved IMPALA-8884.
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Fix Version/s: Impala 3.4.0
Resolution: Fixed
> Track Read(), Open() and Write() operation time per disk queue
> --------------------------------------------------------------
>
> Key: IMPALA-8884
> URL: https://issues.apache.org/jira/browse/IMPALA-8884
> Project: IMPALA
> Issue Type: Improvement
> Components: Backend
> Reporter: Tim Armstrong
> Assignee: Tim Armstrong
> Priority: Major
> Labels: observability
> Fix For: Impala 3.4.0
>
>
> It would be useful for debugging I/O performance problems if we had histogram
> stats for the time taken for various operations so that we could see if there
> were slow operations on a particular disk (e.g. because of disk failure) or
> from a particular remote filesystem.
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