OpenVZ Forum


Home » Mailing lists » Devel » containers and cgroups mini-summit @ Linux Plumbers
Re: containers and cgroups mini-summit @ Linux Plumbers [message #47292 is a reply to message #47282] Thu, 26 July 2012 18:09 Go to previous messageGo to previous message
Serge E. Hallyn is currently offline  Serge E. Hallyn
Messages: 26
Registered: February 2011
Junior Member
Quoting Eric W. Biederman (ebiederm@xmission.com):
> Glauber Costa <glommer@parallels.com> writes:
>
> > I just came up with the following preliminary list of sessions:
> >
> > http://wiki.linuxplumbersconf.org/2012:containers
> >
> > Since people mostly said what they wanted to talk about, but without
> > extensive descriptions, I took the liberty of coming up with a small
> > text for each in the blueprints. If you believe this is inaccurate, or
> > would like to see it extended (although I personally don't see the point
> > about going into very formal and deep details here), just let me know
> > and I will edit it.
> >
> > This is all still subject to change.
>
> Something that just came up recently and worth looking at if it hasn't
> already be resolved.
>
> The network namespace, the user namespace, and the memory control group
> are not meshing well.
>
> In particular we need some additional checks for an unprivileged user
> who can set tcp_mem. If you are the creator of a network namespace you
> should at least be able to set the values down. I don't know at all
> about increasing the amount of memory consumed by the tcp stack.
>
> The non-nesting nature of memory control groups with respect to the
> network stack also seems very bizarre.
>
>
> Another old issue is that unless I have missed something control groups
> are still broken for generic use in containers. Does anyone care?
> Are there any plans on fixing this issue?

Can you elaborate? Which specific breakages are you thinking of?

Report message to a moderator

[Message index]
 
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Previous Topic: [PATCH 00/10] memcg kmem limitation - slab.
Next Topic: [PATCH 00/11] kmem controller for memcg: stripped down version
Goto Forum:
  

[ Syndicate this forum (XML) ] [ RSS ] [ PDF ]

Current Time: Fri Aug 28 01:25:24 GMT 2026

Total time taken to generate the page: 0.33389 seconds
Powered by FUDforum Powered by Virtuozzo Containers