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From "Neil Conway (JIRA)" <j...@apache.org>
Subject [jira] [Issue Comment Deleted] (MESOS-7197) Requesting tiny amount of CPU crashes master
Date Thu, 09 Mar 2017 17:56:38 GMT

     [ https://issues.apache.org/jira/browse/MESOS-7197?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Neil Conway updated MESOS-7197:
-------------------------------
    Comment: was deleted

(was: Interestingly, this repros for me with homebrew clang 3.9.1 on OSX (using {{cpus:0.00001;mem:1}}),
but not with the default OSX clang ("Apple LLVM version 8.0.0 (clang-800.0.42.1)").)

> Requesting tiny amount of CPU crashes master
> --------------------------------------------
>
>                 Key: MESOS-7197
>                 URL: https://issues.apache.org/jira/browse/MESOS-7197
>             Project: Mesos
>          Issue Type: Bug
>          Components: allocation
>    Affects Versions: 1.1.0, 1.2.0
>         Environment: Ubuntu 14.04, using Mesosphere PPA to install Mesos
>            Reporter: Bruce Merry
>            Assignee: Neil Conway
>            Priority: Critical
>
> If a task is submitted with a tiny CPU request e.g. 0.0004, then when it completes the
master crashes due to a CHECK failure:
> {noformat}
> F0302 10:48:26.654909 15391 sorter.cpp:291] Check failed: allocations[name].resources[slaveId].contains(resources)

> {noformat}
> I can reproduce this with the following command:
> {noformat}
> mesos-execute --command='sleep 5' --master=$MASTER --name=crashtest --resources='cpus:0.0004;mem:128'
> {noformat}
> If I replace 0.0004 with 0.001 the issue no longer occurs.



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