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From "Arina Ielchiieva (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (DRILL-5815) Provide option to set query memory as percent of total
Date Thu, 12 Oct 2017 16:54:00 GMT

     [ https://issues.apache.org/jira/browse/DRILL-5815?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel

Arina Ielchiieva updated DRILL-5815:
    Labels: ready-to-commit  (was: )

> Provide option to set query memory as percent of total
> ------------------------------------------------------
>                 Key: DRILL-5815
>                 URL: https://issues.apache.org/jira/browse/DRILL-5815
>             Project: Apache Drill
>          Issue Type: Improvement
>    Affects Versions: 1.11.0
>            Reporter: Paul Rogers
>            Assignee: Paul Rogers
>              Labels: ready-to-commit
>             Fix For: 1.12.0
> Drill provides a parameter to set the memory per query as a static number which defaults
to 2 GB. This number is a wonderful setting for the default Drillbit configuration of 8 GB
heap; it allows 2-3 concurrent queries. But, as Drillbit memory increases, the default becomes
a bit constraining. While users can change the setting, they seldom do.
> In addition, provide an option that sets memory as a percent of total memory. If the
allocation is 10%, say, and total memory is 128 GB, then each query gets ~13GB, which is a
big improvement.
> The existing option acts as a floor: the query must receive at least that much memory.

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