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Posted to issues-all@impala.apache.org by "Riza Suminto (Jira)" <ji...@apache.org> on 2023/11/02 00:12:00 UTC

[jira] [Resolved] (IMPALA-12510) ProcessingCost.getNumInstanceMax() should not return 0.

     [ https://issues.apache.org/jira/browse/IMPALA-12510?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Riza Suminto resolved IMPALA-12510.
-----------------------------------
    Fix Version/s: Impala 4.4.0
       Resolution: Fixed

> 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
>             Fix For: Impala 4.4.0
>
>
> 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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