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From "Deneche A. Hakim (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (DRILL-3809) PrelFinalizable.SHUTTLE can causes ArrayIndexOutOfBoundsException when multiple queries are run concurrently
Date Sun, 20 Sep 2015 01:06:04 GMT

    [ https://issues.apache.org/jira/browse/DRILL-3809?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14877363#comment-14877363
] 

Deneche A. Hakim commented on DRILL-3809:
-----------------------------------------

+1, LGTM

> PrelFinalizable.SHUTTLE can causes ArrayIndexOutOfBoundsException when multiple queries
are run concurrently
> ------------------------------------------------------------------------------------------------------------
>
>                 Key: DRILL-3809
>                 URL: https://issues.apache.org/jira/browse/DRILL-3809
>             Project: Apache Drill
>          Issue Type: Bug
>          Components: Query Planning & Optimization
>            Reporter: Deneche A. Hakim
>            Assignee: Deneche A. Hakim
>             Fix For: 1.2.0
>
>         Attachments: DRILL-3809.patch
>
>
> {{PrelFinalizable.SHUTTLE}} is a static instance of {{RelShuttleImpl}}, and because {{RelShuttleImpl}}
contains a state (a {{List<RelNode>}}) this can cause issues when multiple queries are
run concurrently.



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