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From "Deneche A. Hakim (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (DRILL-2757) Verify operators correctly handle low memory conditions and cancellations
Date Tue, 05 May 2015 02:56:06 GMT

    [ https://issues.apache.org/jira/browse/DRILL-2757?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14527822#comment-14527822
] 

Deneche A. Hakim commented on DRILL-2757:
-----------------------------------------

all unit tests are passing along with functional and tpch100

[~jnadeau] [~hgunes] [~sphillips] could you please review my patch ? thanks

> Verify operators correctly handle low memory conditions and cancellations
> -------------------------------------------------------------------------
>
>                 Key: DRILL-2757
>                 URL: https://issues.apache.org/jira/browse/DRILL-2757
>             Project: Apache Drill
>          Issue Type: Bug
>          Components: Execution - Flow, Execution - Relational Operators
>    Affects Versions: 0.8.0
>            Reporter: Chris Westin
>            Assignee: Steven Phillips
>             Fix For: 1.0.0
>
>         Attachments: DRILL-2757.1.patch.txt
>
>
> Check that the path through sort that notices low memory conditions and causes the sort
to spill ("out of memory condition management").
> Also check to make sure we handle queries and fragment failures properly under these
conditions.
> "hashjoin, hashagg, and topn use large amounts of memory,and may be unable to
> complete if their memory needs can't be met; for all others, the idea is that they can
complete if they get their reservation"



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