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From "Lou DeGenaro (JIRA)" <...@uima.apache.org>
Subject [jira] [Commented] (UIMA-4810) DUCC Job Driver (JD) C-Groups size not dynamic?
Date Thu, 03 Mar 2016 15:10:18 GMT

    [ https://issues.apache.org/jira/browse/UIMA-4810?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15177926#comment-15177926
] 

Lou DeGenaro commented on UIMA-4810:
------------------------------------

Presently Reservations are assigned a slot size at allocation time by the JD Scheduler, as
specified in ducc.properties.

An improved design would allowed existing reservations to be carved up dynamically as opposed
to being stuck at a particular slot size for the lifetime of the Reservation.

> DUCC Job Driver (JD) C-Groups size not dynamic?
> -----------------------------------------------
>
>                 Key: UIMA-4810
>                 URL: https://issues.apache.org/jira/browse/UIMA-4810
>             Project: UIMA
>          Issue Type: Bug
>          Components: DUCC
>            Reporter: Lou DeGenaro
>            Assignee: Lou DeGenaro
>             Fix For: future-DUCC
>
>
> Updated JD quantum size in ducc.properties to be 800. The next job driver got a cgroup
size of 
> 29 Feb 2016 21:50:53,953  INFO Agent.NodeAgent - J[N/A] T[2213] launchCommand  Launching
Process - Commandline:/apps/ducc/ducc_runtime/duccling/bin/ducc_ling -u ducc -- /bin/cgset
-r memory.limit_in_bytes=734003200 ducc/5752.5752.0 
> the same value as it was when DUCC started: 700 [MB].



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