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

[Riza Suminto (Jira)]

Riza Suminto created IMPALA-12510:
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             Summary: 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


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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