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Posted to issues@mesos.apache.org by "Jake Farrell (JIRA)" <ji...@apache.org> on 2015/05/13 05:12:00 UTC

[jira] [Updated] (MESOS-2543) mesos containerizer should cache scheduler specified rootfs

     [ https://issues.apache.org/jira/browse/MESOS-2543?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Jake Farrell updated MESOS-2543:
--------------------------------
    Issue Type: Bug  (was: Sub-task)
        Parent:     (was: MESOS-2540)

> mesos containerizer should cache scheduler specified rootfs
> -----------------------------------------------------------
>
>                 Key: MESOS-2543
>                 URL: https://issues.apache.org/jira/browse/MESOS-2543
>             Project: Mesos
>          Issue Type: Bug
>          Components: containerization
>            Reporter: Jay Buffington
>
> When the scheduler specifies a rootfs the mesos-slave should cache it and actively manage this cache. 
> There is already ongoing work in MESOS-336 to provide a mesos-fetcher cache.  If we use the mesos-fetcher to pull down the rootfs image, then we can likely rely on this cache.  We need to be smart about how we expire the items in the cache.  For example, if there is a really popular image in the cache we should not delete it before deleting a really large, rarely used image.



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