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https://issues.apache.org/jira/browse/IMPALA-15417?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Arnab Karmakar updated IMPALA-15417:
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Summary: Query Bottleneck Highlighting (was: Add support for highlighting
query bottlenecks and better timing visualization in runtime profiles)
> Query Bottleneck Highlighting
> -----------------------------
>
> Key: IMPALA-15417
> URL: https://issues.apache.org/jira/browse/IMPALA-15417
> Project: IMPALA
> Issue Type: Epic
> Components: Backend, Distributed Exec
> Reporter: Arnab Karmakar
> Assignee: Arnab Karmakar
> Priority: Major
>
> Impala query profiles are complete but verbose. Users must scroll through
> large counter trees to find where a query actually spent its time.
> This epic adds post-execution bottleneck analysis to the profile (ranked
> hotspots classified by resource and cause), richer timeline events (runtime
> filters, codegen), and significance-aware verbosity. Targets aggregated (V2)
> profiles.
> Design: [Design
> Doc|https://docs.google.com/document/d/1L0T30CzWh_bB_43URnv9Xam7a01A5wFH4QzTmY5LbTk/edit?tab=t.0]
>
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