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From "James Peach (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (MESOS-7838) GC space utilization metrics.
Date Thu, 27 Jul 2017 20:55:00 GMT

     [ https://issues.apache.org/jira/browse/MESOS-7838?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

James Peach updated MESOS-7838:
-------------------------------
    Component/s: storage
                 agent

> GC space utilization metrics.
> -----------------------------
>
>                 Key: MESOS-7838
>                 URL: https://issues.apache.org/jira/browse/MESOS-7838
>             Project: Mesos
>          Issue Type: Bug
>          Components: agent, storage
>            Reporter: James Peach
>
> To help operators understand and tune Mesos GC, it would be helpful to have metrics that
track how much space is eligible for garbage collection and how much space is being released
as garbage collection takes place. We can implement this fairly efficiently (though with some
loss of accuracy) if we persist the space usage calculated by the disk isolators. Knowing
the space consumed by each sandbox path will not only let us publish these metrics, but can
also be used to make better garbage collection choices (i.e. we can know how much space to
release to get back within tolerance).



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