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https://issues.apache.org/jira/browse/IMPALA-14838?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Aleksandr Efimov resolved IMPALA-14838.
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Fix Version/s: Impala 5.0.0
Resolution: Fixed
> TotalHasDeferredRPCsTime is not set if deferred_rpcs_ is never empty
> ---------------------------------------------------------------------
>
> Key: IMPALA-14838
> URL: https://issues.apache.org/jira/browse/IMPALA-14838
> Project: IMPALA
> Issue Type: Bug
> Components: Backend
> Reporter: Csaba Ringhofer
> Assignee: Aleksandr Efimov
> Priority: Major
> Labels: ramp-up
> Fix For: Impala 5.0.0
>
>
> Saw these conflicting counters in a cancelled profile:
> - TotalHasDeferredRPCsTime: 0.000ns
> - TotalRPCsDeferred: 1.36K (1364)
> The issue is that TotalHasDeferredRPCsTime is only increased when the queue
> gets empty so will be 0 if the query is cancelled while the queue was never
> depleted:
> https://github.com/apache/impala/blob/ef2d50e68987ccbf713122b8f301709a874c5121/be/src/runtime/krpc-data-stream-recvr.cc#L339
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