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https://issues.apache.org/jira/browse/IMPALA-15419?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Arnab Karmakar updated IMPALA-15419:
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Issue Type: New Feature (was: Improvement)
> Add Bottleneck Summary to the query profile
> -------------------------------------------
>
> Key: IMPALA-15419
> URL: https://issues.apache.org/jira/browse/IMPALA-15419
> Project: IMPALA
> Issue Type: New Feature
> Components: Backend
> Reporter: Arnab Karmakar
> Assignee: Arnab Karmakar
> Priority: Major
>
> In {{{}Coordinator::ComputeQuerySummary(){}}}, after profiles are merged,
> rank plan nodes by {{query_time_frac}} and classify each hotspot by resource
> and cause using existing counters: {{{}ScannerIoWaitTime{}}}, spill counters,
> exchange {{{}InactiveTotalTime{}}}, sender {{{}RpcNetworkTime{}}},
> {{{}ClientFetchWaitTimer{}}}, and {{{}HasSkew(){}}}. Emit a text info string
> and a structured JSON section.
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