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https://issues.apache.org/jira/browse/DRILL-3007?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Jacques Nadeau resolved DRILL-3007.
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Resolution: Fixed
Fixed in 0f42409
> Update Drill configuration settings to avoid mmap threshold increases on Linux
> ------------------------------------------------------------------------------
>
> Key: DRILL-3007
> URL: https://issues.apache.org/jira/browse/DRILL-3007
> Project: Apache Drill
> Issue Type: Bug
> Components: Execution - Flow
> Reporter: Jacques Nadeau
> Assignee: Jacques Nadeau
> Fix For: 1.0.0
>
>
> Because Drill uses extensive direct memory but often caches random segments,
> it is important to make sure all the memory chunks are allocated as MMAP
> regions so Drill correctly releases memory back to the OS. We need to update
> the Drill environment variables to ensure this.
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