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https://issues.apache.org/jira/browse/DRILL-2940?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14525581#comment-14525581
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Steven Phillips commented on DRILL-2940:
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+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.
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