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Posted to issues@aurora.apache.org by "brian wickman (JIRA)" <ji...@apache.org> on 2015/06/17 22:54:02 UTC

[jira] [Assigned] (AURORA-1353) MesosPathDetector double-counts checkpoint roots

     [ https://issues.apache.org/jira/browse/AURORA-1353?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

brian wickman reassigned AURORA-1353:
-------------------------------------

    Assignee: brian wickman

> MesosPathDetector double-counts checkpoint roots
> ------------------------------------------------
>
>                 Key: AURORA-1353
>                 URL: https://issues.apache.org/jira/browse/AURORA-1353
>             Project: Aurora
>          Issue Type: Bug
>          Components: Observer
>            Reporter: brian wickman
>            Assignee: brian wickman
>
> This manifests itself in the observer ballooning in resource usage.  The TaskDetector finds two copies of every task because of the 'latest' symlink being a duplicate of the actual directory, so we get race conditions in on_active/on_finished inside src/main/python/apache/thermos/observer/task_observer.py that cause it to hold onto TaskResourceMonitors which tend to be pretty expensive to run.



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