Re: [RFC] cgroup TODOs

From: Kay Sievers
Date: Fri Sep 14 2012 - 17:51:24 EST

On Fri, Sep 14, 2012 at 9:29 PM, Tejun Heo <tj@xxxxxxxxxx> wrote:
> On Fri, Sep 14, 2012 at 09:58:30AM -0400, Vivek Goyal wrote:
>> I am little concerned about above and wondering how systemd and libvirt
>> will interact and behave out of the box.
>> Currently systemd does not create its own hierarchy under blkio and
>> libvirt does. So putting all together means there is no way to avoid
>> the overhead of systemd created hierarchy.
>> \
>> |
>> +- system
>> |
>> +- libvirtd.service
>> |
>> +- virt-machine1
>> +- virt-machine2
>> So there is now way to avoid the overhead of two levels of hierarchy
>> created by systemd. I really wish that systemd gets rid of "system"
>> cgroup and puts services directly in top level group. Creating deeper
>> hieararchices is expensive.

The idea here is to split equally between the "system" and the "user"s
at that level.

That all can be re-considered and changed if really needed, but it's
not an unintentionally created directory.

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