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From "Guchakov Nikita (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (MESOS-8146) Mesos agent fails containers on restart if containers were started with memory-swap less than memory + 64mb
Date Wed, 08 Nov 2017 13:06:00 GMT

    [ https://issues.apache.org/jira/browse/MESOS-8146?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16243863#comment-16243863
] 

Guchakov Nikita commented on MESOS-8146:
----------------------------------------

So, what the legal way to disable swap for docker container with mesos?

> Mesos agent fails containers on restart if containers were started with memory-swap less
than memory + 64mb
> -----------------------------------------------------------------------------------------------------------
>
>                 Key: MESOS-8146
>                 URL: https://issues.apache.org/jira/browse/MESOS-8146
>             Project: Mesos
>          Issue Type: Bug
>          Components: agent
>    Affects Versions: 1.4.0
>         Environment: Mesos 1.4.0
> Redhat 7.4
> Marathon 1.4.8
> docker 1.12.6 
> docker api 1.24
>            Reporter: Guchakov Nikita
>
> I'd have some strange behaviour with Mesos when trying to disable swap on docker containers.
Our mesos version in use is 1.4.0
> When marathon deploys containers with
> ```
> "parameters": [
>         {
>           "key": "memory",
>           "value": "1024m"
>         },
>         {
>           "key": "memory-swap",
>           "value": "1024m"
>         }
>       ]
> ```
> then it deploys successfully. BUT when mesos-slave restarts and tries to deregister executor
it fails:
> ```E1027 11:11:47.367416 12626 slave.cpp:4287] Failed to update resources for container
6e3e07af-db09-4dc0-88f8-4e5599529cbe of executor 'templates-api.d72549fd-baed-11e7-9742-96b37b4eca54'
of framework 20171020-202151-141892780-5050-1-0001, destroying container: Failed to set 'memory.limit_in_bytes':
Invalid argument
> ```
> Things goes more weird when I tried different memory-swap configurations:
> Containers doesn't destroyed on slave's restart only when memory-swap >= memory +
64mb.



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