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From "Kunal Khatua (JIRA)" <j...@apache.org>
Subject [jira] [Assigned] (DRILL-4121) External Sort may not spill if above a receiver
Date Wed, 22 Jun 2016 23:41:16 GMT

     [ https://issues.apache.org/jira/browse/DRILL-4121?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Kunal Khatua reassigned DRILL-4121:
-----------------------------------

    Assignee: Kunal Khatua  (was: Deneche A. Hakim)

> External Sort may not spill if above a receiver
> -----------------------------------------------
>
>                 Key: DRILL-4121
>                 URL: https://issues.apache.org/jira/browse/DRILL-4121
>             Project: Apache Drill
>          Issue Type: Bug
>    Affects Versions: 1.1.0
>            Reporter: Deneche A. Hakim
>            Assignee: Kunal Khatua
>             Fix For: 1.5.0
>
>
> If external sort is above a receiver, all received batches will contain non root buffers.
Sort operator doesn't account for non root buffers when estimating how much memory and if
it needs to spill to disk. This may delay the spill and cause the corresponding Drillbit to
use large amounts of memory



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