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From Dmitriy Lyubimov <dlie...@gmail.com>
Subject Re: Mesos, lxc and ubuntu 12
Date Wed, 12 Jun 2013 23:52:18 GMT
Oops. I am just starting with this. I see it clearly not working..  I just
downloaded 0.11 and trying to set up spark 0.7.2 with it. it works ok with
"process" isolation. I assumed lxc would be preferrable since it is being
advertised feature on the Mesos home page.

I will snoop around the docs looking for cgroups isolation. If you can
point me to manual, i'd be grateful too.



On Wed, Jun 12, 2013 at 4:48 PM, Vinod Kone <vinodkone@gmail.com> wrote:

> Hi Dmitry,
>
> What version of mesos are you using? Lxc support has been deprecated for a
> while now. You should use the new cgroups isolation.
>
>
>
> On Wed, Jun 12, 2013 at 4:26 PM, Dmitriy Lyubimov <dlieu.7@gmail.com>wrote:
>
>> Hello,
>>
>> is there anything speicific to ubuntu 12 that needs to be done to make
>> Mesos work with LCX?
>>
>> I set things up according to ubuntu docs,
>> https://help.ubuntu.com/12.10/serverguide/lxc.html#lxc-creation
>>
>> and all container examples there seem to be happily working.
>>
>> However, some mesos unit tests are failing (which i suspect are relating
>> to lxc) as well as lxc isolation mode fails to spawn tasks.
>>
>> (I am actually on ubuntu 12-04 LTS).
>>
>> Is there any speicific way to troubleshoot this? Is LXC in Mesos even
>> working with Ubuntu 12?
>>
>> thank you in advance. (slave output enclosed).
>> -d
>>
>> I0612 16:24:20.682698 26452 slave.cpp:474] Got assigned task 0 for
>> framework 201306121623-16777343-5050-26417-0000
>> I0612 16:24:20.683425 26452 paths.hpp:234] Created executor directory
>> '/tmp/mesos/slaves/201306121623-16777343-5050-26417-0/frameworks/201306121623-16777343-5050-26417-0000/executors/Task
>> 0 ("/home/dmitr...)/runs/9156d4fa-a177-464b-906f-fb62c8b9b363'
>> I0612 16:24:20.683630 26453 lxc_isolation_module.cpp:121] Launching Task
>> 0 ("/home/dmitr...) (/usr/local/libexec/mesos/mesos-executor) in
>> /tmp/mesos/slaves/201306121623-16777343-5050-26417-0/frameworks/201306121623-16777343-5050-26417-0000/executors/Task
>> 0 ("/home/dmitr...)/runs/9156d4fa-a177-464b-906f-fb62c8b9b363 with
>> resources ' for framework 201306121623-16777343-5050-26417-0000
>> I0612 16:24:20.683945 26453 lxc_isolation_module.cpp:152] Forked executor
>> at = 26570
>> lxc-execute: No such file or directory - failed to create
>> '/sys/fs/cgroup/cpuset//lxc/mesos_executor_Task 0
>> ("/home/dmitr...)_framework_201306121623-16777343-5050-26417-0000' directory
>> lxc-execute: failed to spawn 'mesos_executor_Task 0
>> ("/home/dmitr...)_framework_201306121623-16777343-5050-26417-0000'
>> lxc-execute: No such file or directory - failed to remove cgroup
>> '/sys/fs/cgroup/cpuset//lxc/mesos_executor_Task 0
>> ("/home/dmitr...)_framework_201306121623-16777343-5050-26417-0000'
>> I0612 16:24:21.451616 26452 lxc_isolation_module.cpp:322] Telling slave
>> of lost executor Task 0 ("/home/dmitr...) of framework
>> 201306121623-16777343-5050-26417-0000
>> I0612 16:24:21.451709 26452 lxc_isolation_module.cpp:239] Stopping
>> container mesos_executor_Task 0
>> ("/home/dmitr...)_framework_201306121623-16777343-5050-26417-0000
>> I0612 16:24:21.452199 26454 slave.cpp:998] Executor 'Task 0
>> ("/home/dmitr...)' of framework 201306121623-16777343-5050-26417-0000 has
>> exited with status 255
>> sh: 1: Syntax error: "(" unexpected
>> E0612 16:24:21.453227 26452 lxc_isolation_module.cpp:248] Failed to stop
>> container mesos_executor_Task 0
>> ("/home/dmitr...)_framework_201306121623-16777343-5050-26417-0000, lxc-stop
>> returned: 512
>> I0612 16:24:21.453385 26454 slave.cpp:829] Status update: task 0 of
>> framework 201306121623-16777343-5050-26417-0000 is now in state TASK_FAILED
>> E0612 16:24:21.453583 26453 lxc_isolation_module.cpp:273] ERROR! Asked to
>> update resources for an unknown executor!
>> I0612 16:24:21.453891 26451 gc.cpp:97] Scheduling
>> /tmp/mesos/slaves/201306121623-16777343-5050-26417-0/frameworks/201306121623-16777343-5050-26417-0000/executors/Task
>> 0 ("/home/dmitr...)/runs/9156d4fa-a177-464b-906f-fb62c8b9b363 for removal
>>
>>
>>
>>
>

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