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From "Gilbert Song (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (MESOS-3736) Support docker local store pull same image simultaneously
Date Mon, 09 Nov 2015 19:33:10 GMT

    [ https://issues.apache.org/jira/browse/MESOS-3736?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14997206#comment-14997206
] 

Gilbert Song commented on MESOS-3736:
-------------------------------------

Sure, it should be with target version 0.27.0, thank you Till.

> Support docker local store pull same image simultaneously 
> ----------------------------------------------------------
>
>                 Key: MESOS-3736
>                 URL: https://issues.apache.org/jira/browse/MESOS-3736
>             Project: Mesos
>          Issue Type: Improvement
>            Reporter: Gilbert Song
>            Assignee: Gilbert Song
>              Labels: mesosphere
>
> The current local store implements get() using the local puller. For all requests of
pulling same docker image at the same time, the local puller just untar the image tarball
as many times as those requests are, and cp all of them to the same directory, which wastes
time and bear high demand of computation. We should be able to support the local store/puller
only do these for the first time, and the simultaneous pulling request should wait for the
promised future and get it once the first pulling finishes. 



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