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Posted to issues@drill.apache.org by "Hao Zhu (JIRA)" <ji...@apache.org> on 2015/04/30 21:45:06 UTC

[jira] [Created] (DRILL-2927) Pending query in resource queue starts after timeout

Hao Zhu created DRILL-2927:
------------------------------

             Summary: Pending query in resource queue starts after timeout
                 Key: DRILL-2927
                 URL: https://issues.apache.org/jira/browse/DRILL-2927
             Project: Apache Drill
          Issue Type: Bug
          Components: Execution - Flow
    Affects Versions: 0.8.0
         Environment: Drill 0.8 released version.
            Reporter: Hao Zhu
            Assignee: Chris Westin
         Attachments: Screen Shot 2015-04-30 at 11.01.25 AM.png

I set small queue to allow only 1 concurrent query:
alter system set `exec.queue.enable`=TRUE;
alter system set `exec.queue.small`=1;

When running 2 small queries, one of them is pending which is expected.
(See pic 1)

After about 5mins(exec.queue.timeout_millis), the pending SQL starts. now we have 2 queries running in small queue. 
(See pic 2)




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