Denis V. Lunev wrote: > On Tue, 2008-03-04 at 22:15 -0800, Paul Menage wrote: >> Hi Dhaval, >> >> On Tue, Mar 4, 2008 at 7:23 AM, Dhaval Giani <dhaval@xxxxxxxxxxxxxxxxxx> wrote: >>> Hi, >>> >>> We have been working on a library for control groups which would provide >>> simple APIs for programmers to utilize from userspace and make use of >>> control groups. >>> >>> We are still designing the library and the APIs. I've attached the >>> design (as of now) to get some feedback from the community whether we >>> are heading in the correct direction and what else should be addressed. >> There are a few things that it would be nice to include in such a >> library, if you're going to develop one: >> >> - the ability to create abstract groups of processes, and resource >> groups, and have the ability to tie these together arbitrarily. E.g >> you might create abstract groups A, B and C, and be able to say that A >> and B share memory with each other but not with C, and all three >> groups are isolated from each other for CPU. Then libcg would mount >> different resource types in different cgroup hierarchies (you would >> probably tell it ahead of time which combinations of sharing you would >> want, in order that it could minimize the number of mounted >> hierarchies). When you tell libcg to move a process into abstract >> group A, it would move it into the appropriate resource group in each >> hierarchy. > > There is one more important thing. In addition to the processes you must > unite or provide a way to unite other objects like sockets. This is > needed to create a group-based socket buffer management. > > The mapping between socket and a process does not exists right now and, > we can have (virtually), sockets from from different namespaces in one > process. > Not sure how any of this is related to the library design we are discussing. Your talking about writing a controller that groups based on sockets, that is a totally different thing. -- Warm Regards, Balbir Singh Linux Technology Center IBM, ISTL _______________________________________________ Containers mailing list Containers@xxxxxxxxxxxxxxxxxxxxxxxxxx https://lists.linux-foundation.org/mailman/listinfo/containers