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https://issues.apache.org/jira/browse/IMPALA-12548?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Riza Suminto reassigned IMPALA-12548:
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Fix Version/s: Impala 4.4.0
Affects Version/s: Impala 4.3.0
Assignee: Riza Suminto
Issue Type: Bug (was: Documentation)
Priority: Major (was: Minor)
> Clarify the meaning of AGG_MEM_CORRELATION_FACTOR
> -------------------------------------------------
>
> Key: IMPALA-12548
> URL: https://issues.apache.org/jira/browse/IMPALA-12548
> Project: IMPALA
> Issue Type: Bug
> Affects Versions: Impala 4.3.0
> Reporter: Riza Suminto
> Assignee: Riza Suminto
> Priority: Major
> Fix For: Impala 4.4.0
>
>
> AGG_MEM_CORRELATION_FACTOR has valid value between 0.0 to 1.0. This query
> option name can be misinterpreted as high value means highly correlated
> columns, but it is actually the opposite in the code implementation. 1.0 is
> interpreted as no correlation at all in the code, while <1.0 means somewhat
> correlated. Documentation should be clarified about this.
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