[lxc-users] The dark side of LXC

CDR venefax at gmail.com
Mon Jul 14 04:03:13 UTC 2014


I switched to MariaDB 10.0.1.
It works fine.


On Sun, Jul 13, 2014 at 10:30 PM, Fajar A. Nugraha <list at fajar.net> wrote:
> Distros often change things to make it more suitable with their
> environment, or to fix bugs faster than upstream. For example,
> Ubuntu's version of mysql uses only upstart, which only tracks the pid
> of the msyqld process it started.
>
> I've also looked at Mariadb's[1] startup script, and it should handle
> service startup/shutdown correctly since it uses pid file. So you can
> do one of:
> - file a bug to oracle, and hope they fix it.
> - switch to mariadb
> - switch to a distro that properly fix the bug
> - fix the bug yourself (e.g. modify the startup script, based on one
> that works correctly)
>
> --
> Fajar
>
> [1] https://mariadb.org/
>
> On Sat, Jul 12, 2014 at 11:50 PM, CDR <venefax at gmail.com> wrote:
>> I think it is a bug from Oracle, not my distro. They act like if the
>> owned the server.
>>
>> On Sat, Jul 12, 2014 at 12:42 PM, Stéphane Graber <stgraber at ubuntu.com> wrote:
>>> On Sat, Jul 12, 2014 at 11:35:06AM -0400, CDR wrote:
>>>> There is an unresolved issue that really goes to the core of the
>>>> container model.
>>>> Yesterday I installed Mysql latest on the host, and had to remove it
>>>> one hour later. It turns out that since I have 20 containers each with
>>>> a running version if mysql, the instance running on the host kills the
>>>> other instances when you try to stop mysql, an similarly, the host
>>>> version never starts because it thinks, wrongly, that it is already
>>>> running.
>>>>
>>>> We need to make the host ignore the processes running on the
>>>> containers, much like a real virtual machine, or else the host cannot
>>>> really run any application whatsoever.
>>>
>>> That's the sign of a broken init script, init scripts should be tracking
>>> the pid of the spawned process and only kill that. Please file a bug
>>> against your distro, that's nothing to do with LXC.
>>>
>>>>
>>>>
>>>> Philip Orleans
>>>> _______________________________________________
>>>> lxc-users mailing list
>>>> lxc-users at lists.linuxcontainers.org
>>>> http://lists.linuxcontainers.org/listinfo/lxc-users
>>>
>>> --
>>> Stéphane Graber
>>> Ubuntu developer
>>> http://www.ubuntu.com
>>>
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