[jira] [Commented] (IMPALA-13201) Queries Against System Tables Must Not Be Subject to Admission Control

["ASF subversion and git services (Jira)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/IMPALA-13201?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17924815#comment-17924815 ] 

ASF subversion and git services commented on IMPALA-13201:
----------------------------------------------------------

Commit d3b6cbcc20a4ff175e9b36f476fc44f329793e1e in impala's branch refs/heads/master from jasonmfehr
[ https://gitbox.apache.org/repos/asf?p=impala.git;h=d3b6cbcc2 ]

IMPALA-13201: Remove Unused Parameter from Test retry Function

The custom cluster tests utilize the retry() function defined in
retry.py. This function takes as input another function to do the
assertions. This assertion function used to have a single boolean
parameter indicating if the retry was on its last attempt. In
actuality, this boolean was not used and thus caused flake8 failures.

This change removes this unused parameter from the assertion function
passed in to the retry function.

Change-Id: I1bce9417b603faea7233c70bde3816beed45539e
Reviewed-on: http://gerrit.cloudera.org:8080/22452
Reviewed-by: Impala Public Jenkins <im...@cloudera.com>
Tested-by: Impala Public Jenkins <im...@cloudera.com>


> Queries Against System Tables Must Not Be Subject to Admission Control
> ----------------------------------------------------------------------
>
>                 Key: IMPALA-13201
>                 URL: https://issues.apache.org/jira/browse/IMPALA-13201
>             Project: IMPALA
>          Issue Type: Improvement
>          Components: Backend
>            Reporter: Jason Fehr
>            Assignee: Jason Fehr
>            Priority: Critical
>              Labels: workload-management
>
> Impala system tables are in-memory coordinator-only virtual tables without any backing of data on disk.  Currently, the only system table is sys.impala_query_live.  Since these tables only exist in coordinator memory, queries that only select from these tables do not need to by subject to admission control.
> Modify Impala so that queries that only reference system tables are not subject to admission control and can run if there is enough available memory on the coordinator.



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