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From "Lou DeGenaro (JIRA)" <...@uima.apache.org>
Subject [jira] [Resolved] (UIMA-5098) DUCC Agent does not handle /bin/cgcreate failure properly on re-start when there are left over processes
Date Thu, 01 Sep 2016 14:58:20 GMT

     [ https://issues.apache.org/jira/browse/UIMA-5098?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Lou DeGenaro resolved UIMA-5098.
--------------------------------
       Resolution: Fixed
    Fix Version/s:     (was: future-DUCC)
                   2.2.0-Ducc

Jerry delivered fix to NodeAgent.

> DUCC Agent does not handle /bin/cgcreate failure properly on re-start when there are
left over processes
> --------------------------------------------------------------------------------------------------------
>
>                 Key: UIMA-5098
>                 URL: https://issues.apache.org/jira/browse/UIMA-5098
>             Project: UIMA
>          Issue Type: Bug
>          Components: DUCC
>            Reporter: Lou DeGenaro
>            Assignee: Jerry Cwiklik
>             Fix For: 2.2.0-Ducc
>
>
> Upon (re-)start of DUCC, one machine showed status as "defined" on the Machines page
and "unknown" on Daemons page in ducc-mon.
> Examination of the Agent's log revealed:
> host.domain.net.agent.log:java.io.FileNotFoundException: /cgroup/ducc/327204.327204.28574/cgroup.procs
(No such file or directory)
> Also, manually attempting to run
> /bin/cgcreate -t degenaro:mygroup -a degenaro:mygroup -g memory,cpu:ducc/test
> failed with:
> /bin/cgcreate: can't create cgroup ducc/test: Cgroup, operation not allowed
> This may be due to Agent attempting to clean-up processes from previous lifetime, but
is unable to do so.



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