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https://issues.apache.org/jira/browse/IMPALA-4970?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Sailesh Mukil resolved IMPALA-4970.
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Resolution: Fixed
Fix Version/s: Impala 3.1.0
> Record identity of largest latency ExecQueryFInstances() RPC per query
> ----------------------------------------------------------------------
>
> Key: IMPALA-4970
> URL: https://issues.apache.org/jira/browse/IMPALA-4970
> Project: IMPALA
> Issue Type: Improvement
> Components: Distributed Exec
> Affects Versions: Impala 2.9.0
> Reporter: Henry Robinson
> Assignee: Rahul Shivu Mahadev
> Priority: Major
> Labels: newbie, ramp-up
> Fix For: Impala 3.1.0
>
>
> Although we retain the histogram of fragment instance startup latencies, we
> don't record the identity of the most expensive instance, or the host it runs
> on. This would be helpful in diagnosing slow query start-up times.
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