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Posted to issues-all@impala.apache.org by "David Woo (Jira)" <ji...@apache.org> on 2023/01/25 05:52:00 UTC

[jira] [Created] (IMPALA-11863) Enhance the support of trivial query admission

David Woo created IMPALA-11863:
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             Summary: Enhance the support of trivial query admission
                 Key: IMPALA-11863
                 URL: https://issues.apache.org/jira/browse/IMPALA-11863
             Project: IMPALA
          Issue Type: Improvement
          Components: Backend
            Reporter: David Woo


As in IMPALA-7969, a query which meets the requirement of a trivial query, like "select 1", could be admitted immediately to bypass the admission controller.

This task is to extend this functionality for a query when it is considered small enough to bypass the admission controller and execute in the coordinator without waiting to start a new executor when there is no available executor in the current executor group.

The definition of the extended trivial query is to be discussed.



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