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https://issues.apache.org/jira/browse/IMPALA-12510?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Work on IMPALA-12510 started by Riza Suminto.
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> ProcessingCost.getNumInstanceMax() should not return 0.
> -------------------------------------------------------
>
> Key: IMPALA-12510
> URL: https://issues.apache.org/jira/browse/IMPALA-12510
> Project: IMPALA
> Issue Type: Bug
> Components: Frontend
> Affects Versions: Impala 4.3.0
> Reporter: Riza Suminto
> Assignee: Riza Suminto
> Priority: Major
>
> ProcessingCost.getNumInstanceMax() is used for calculating cost-based max
> parallelism. It should return 1 at minimum, not 0.
> [https://github.com/apache/impala/blob/b15d6dc2e7df05392a1daa4bc1b3da9ca31a583b/fe/src/main/java/org/apache/impala/planner/ProcessingCost.java#L207-L211]
>
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