Messages in this thread | | | Date | Fri, 15 Sep 2006 19:44:12 +0200 | From | Björn Steinbrink <> | Subject | Re: [Patch 01/05]- Containers: Documentation on using containers |
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On 2006.09.15 09:45:25 -0700, Rohit Seth wrote: > On Fri, 2006-09-15 at 08:15 +0200, Rolf Eike Beer wrote: > > Rohit Seth wrote: > > > This patch contains the Documentation for using containers. > > > > > +5- Remove a task from container > > > + echo <pid> rmtask > > > > echo <pid> > rmtask? > > > > rmtask is an attribute defined in test_container directory. So, first > you have to cd into container directory > (cd /mnt/configfs/containers/test_container and then execute this > command)
The > is missing in the patch though, guess that's what Rolf wanted to point out ;)
> > > Please also give a short description what containers are for. From what I read > > here I can only guess it's about gettings some statistics about a group of > > tasks. > > Containers allow different workloads to be run on the same platform with > limits defined on per container basis. This basically allows a single > platform to be (soft) partitioned among different workloads (each of > which could be running many tasks). The limits could be amount of > memory, number of tasks among other features. These two features are > already implemented in the patch set that I posted. But it is possible > to add other controllers like CPU that allows only finite amount of time > to the processes belonging to a container. > > Currently this patch set is only tracking user memory (both file based > and anonymous). The memory handler is currently deactivating pages > belonging to a container that has gone over the limit. Even though this > allows containers to go over board their limits but 1- once they are > over the limit then they run in degraded manner and 2- if there is any > memory pressure then the (extra) pages belonging to this container are > the prime candidates for swapping (for example). The statistics that > are shown in each container directory are the current values of each > resource consumption. > > Please let me know if you need any more specific information about the > patch set.
A general description for the containers needs to go into Documentation/ along with the usage example, so that potential users know what to do with it. The above seems fine, just remove the "this patch" references.
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