You are viewing a plain text version of this content. The canonical link for it is here.

Posted to issues@drill.apache.org by "Steven Phillips (JIRA)" <ji...@apache.org> on 2015/05/03 03:06:05 UTC

[jira] [Commented] (DRILL-2940) Large allocations are not released until GC kicks in

    [ https://issues.apache.org/jira/browse/DRILL-2940?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14525581#comment-14525581 ] 

Steven Phillips commented on DRILL-2940:
----------------------------------------

+1
LGTM

> Large allocations are not released until GC kicks in
> ----------------------------------------------------
>
>                 Key: DRILL-2940
>                 URL: https://issues.apache.org/jira/browse/DRILL-2940
>             Project: Apache Drill
>          Issue Type: Bug
>          Components: Execution - Flow
>            Reporter: Jacques Nadeau
>            Assignee: Steven Phillips
>             Fix For: 1.0.0
>
>         Attachments: DRILL-2940.patch
>
>
> If you allocate over the chunk size (16mb), we are currently relying on GC to release those buffers. This is problematic since direct memory pressure doesn't cause gc.  In some situations with fast memory turnover, this means we run out of memory incorrectly.



--
This message was sent by Atlassian JIRA
(v6.3.4#6332)