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Posted to issues@drill.apache.org by "Jacques Nadeau (JIRA)" <ji...@apache.org> on 2015/05/10 22:27:01 UTC

[jira] [Resolved] (DRILL-3007) Update Drill configuration settings to avoid mmap threshold increases on Linux

     [ https://issues.apache.org/jira/browse/DRILL-3007?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Jacques Nadeau resolved DRILL-3007.
-----------------------------------
    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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