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https://issues.apache.org/jira/browse/IMPALA-9591?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Tim Armstrong updated IMPALA-9591:
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Summary: Automatically cap pre-aggregation memory consumption to match
estimate (was: Automatically cap pre-aggregation memory consumption to match)
> Automatically cap pre-aggregation memory consumption to match estimate
> ----------------------------------------------------------------------
>
> Key: IMPALA-9591
> URL: https://issues.apache.org/jira/browse/IMPALA-9591
> Project: IMPALA
> Issue Type: Improvement
> Components: Frontend
> Reporter: Tim Armstrong
> Priority: Major
> Labels: admission-control, resource-management
>
> IMPALA-2945 tracks some issues with preagg estimates. One option to get
> estimates to match actual memory consumption is to cap actual memory
> consumption. IMPALA-9530 adds this mechanism controlled by a flag.
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