Hi Daniel, On 02/16/2012 06:52 AM, Daniel Lezcano wrote:
> On 02/12/2012 03:55 PM, Jeff Liu wrote: >> Hi xiaojun, >> >> On 02/12/2012 05:27 PM, MaoXiaoyun wrote: >> >>> Hi: >>> >>> I search the lxc-devel and find there has been some >>> disscussiones on >>> the requirement of container's quota >>> since 2009. For example, under my scenario, I first make hole rootfs >>> read only , and then mount some writable dir, such >>> as /var/ /tmp and some other dirs for a container, and I want to >>> limit the quota of this directories, such as 20G. >>> But it looks like this is not support yet, right? If so, is there a >>> workaround way to fill my requirement? >> Looks there is no such feature in LXC userland tools for now, or am I >> missing something? >> Maybe you can write an RFC in detail to list. >> >> Dear LXC developer, >> >> I(from Oracle kernel team) just started a research regarding this kind >> of features. >> In short, something includes: >> 1) Task resource limits (like prlimit64(2)) for container, let LXC >> userland tools/kernel support the maximum open file descriptors, etc.. >> if possible. > > I am not sure but I think this is supported as part of the "user > namespace" but this one is still experimental and not used in LXC for > now. If you are willing to test it, you should just add the > CLONE_NEW_USER in src/lxc/start.c, in the lxc_spawn function clones_flags. I will try it out. > >> 2) Quota support(the max size of file/directory). >> >> I'd like to know if anyone has already been working on them? or does >> them sounds make sense? > > Yes, I remember someone worked on it but had to give up because of a new > job. > > http://article.gmane.org/gmane.linux.kernel/797938/match= > > and > > http://comments.gmane.org/gmane.linux.kernel.containers/13870 > > where there are some hints to create a configuration to have quota per > container. Thanks for pointing those out! It could save a lot work from scratch. Cheers, -Jeff > > Thanks > -- Daniel ------------------------------------------------------------------------------ Virtualization & Cloud Management Using Capacity Planning Cloud computing makes use of virtualization - but cloud computing also focuses on allowing computing to be delivered as a service. http://www.accelacomm.com/jaw/sfnl/114/51521223/ _______________________________________________ Lxc-devel mailing list Lxc-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/lxc-devel
