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

     [ https://issues.apache.org/jira/browse/DRILL-2927?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Hao Zhu updated DRILL-2927:
---------------------------
    Attachment: Screen Shot 2015-04-30 at 11.01.25 AM.png

Pic 1

> 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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