From: Glauber Costa <glommer-bzQdu9zFT3WakBO8gow8eQ@public.gmane.org>
To: KAMEZAWA Hiroyuki
<kamezawa.hiroyu-+CUm20s59erQFUHtdCDX3A@public.gmane.org>
Cc: Tejun Heo <tj-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org>,
Michal Hocko <mhocko-AlSwsSmVLrQ@public.gmane.org>,
Johannes Weiner <hannes-druUgvl0LCNAfugRpC6u6w@public.gmane.org>,
gthelen-hpIqsD4AKlfQT0dZR+AlfA@public.gmane.org,
Hugh Dickins <hughd-hpIqsD4AKlfQT0dZR+AlfA@public.gmane.org>,
linux-mm-Bw31MaZKKs3YtjvyW6yDsg@public.gmane.org,
linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
Vivek Goyal <vgoyal-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>,
Jens Axboe <axboe-tSWWG44O7X1aa/9Udqfwiw@public.gmane.org>,
Li Zefan <lizf-BthXqXjhjHXQFUHtdCDX3A@public.gmane.org>,
containers-cunTk1MwBs9QetFLy7KEm3xJsTq8ys+cHZ5vskTnxNA@public.gmane.org,
cgroups-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
Peter Zijlstra
<a.p.zijlstra-/NLkJaSkS4VmR6Xm/wNWPw@public.gmane.org>
Subject: Re: [RFC REPOST] cgroup: removing css reference drain wait during cgroup removal
Date: Wed, 14 Mar 2012 13:46:28 +0400 [thread overview]
Message-ID: <4F6068F4.4090909@parallels.com> (raw)
In-Reply-To: <20120314092828.3321731c.kamezawa.hiroyu-+CUm20s59erQFUHtdCDX3A@public.gmane.org>
On 03/14/2012 04:28 AM, KAMEZAWA Hiroyuki wrote:
> IIUC, in general, even in the processes are in a tree, in major case
> of servers, their workloads are independent.
> I think FLAT mode is the dafault. 'heararchical' is a crazy thing which
> cannot be managed.
Better pay attention to the current overall cgroups discussions being
held by Tejun then. ([RFD] cgroup: about multiple hierarchies)
The topic of whether of adapting all cgroups to be hierarchical by
deafult is a recurring one.
I personally think that it is not unachievable to make res_counters
cheaper, therefore making this less of a problem.
WARNING: multiple messages have this Message-ID (diff)
From: Glauber Costa <glommer@parallels.com>
To: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>
Cc: Tejun Heo <tj@kernel.org>, Michal Hocko <mhocko@suse.cz>,
Johannes Weiner <hannes@cmpxchg.org>,
gthelen@google.com, Hugh Dickins <hughd@google.com>,
linux-mm@kvack.org, linux-kernel@vger.kernel.org,
Vivek Goyal <vgoyal@redhat.com>, Jens Axboe <axboe@kernel.dk>,
Li Zefan <lizf@cn.fujitsu.com>,
containers@lists.linux-foundation.org, cgroups@vger.kernel.org,
Peter Zijlstra <a.p.zijlstra@chello.nl>
Subject: Re: [RFC REPOST] cgroup: removing css reference drain wait during cgroup removal
Date: Wed, 14 Mar 2012 13:46:28 +0400 [thread overview]
Message-ID: <4F6068F4.4090909@parallels.com> (raw)
In-Reply-To: <20120314092828.3321731c.kamezawa.hiroyu@jp.fujitsu.com>
On 03/14/2012 04:28 AM, KAMEZAWA Hiroyuki wrote:
> IIUC, in general, even in the processes are in a tree, in major case
> of servers, their workloads are independent.
> I think FLAT mode is the dafault. 'heararchical' is a crazy thing which
> cannot be managed.
Better pay attention to the current overall cgroups discussions being
held by Tejun then. ([RFD] cgroup: about multiple hierarchies)
The topic of whether of adapting all cgroups to be hierarchical by
deafult is a recurring one.
I personally think that it is not unachievable to make res_counters
cheaper, therefore making this less of a problem.
--
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WARNING: multiple messages have this Message-ID (diff)
From: Glauber Costa <glommer@parallels.com>
To: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>
Cc: Tejun Heo <tj@kernel.org>, Michal Hocko <mhocko@suse.cz>,
Johannes Weiner <hannes@cmpxchg.org>, <gthelen@google.com>,
Hugh Dickins <hughd@google.com>, <linux-mm@kvack.org>,
<linux-kernel@vger.kernel.org>, Vivek Goyal <vgoyal@redhat.com>,
Jens Axboe <axboe@kernel.dk>, Li Zefan <lizf@cn.fujitsu.com>,
<containers@lists.linux-foundation.org>,
<cgroups@vger.kernel.org>,
Peter Zijlstra <a.p.zijlstra@chello.nl>
Subject: Re: [RFC REPOST] cgroup: removing css reference drain wait during cgroup removal
Date: Wed, 14 Mar 2012 13:46:28 +0400 [thread overview]
Message-ID: <4F6068F4.4090909@parallels.com> (raw)
In-Reply-To: <20120314092828.3321731c.kamezawa.hiroyu@jp.fujitsu.com>
On 03/14/2012 04:28 AM, KAMEZAWA Hiroyuki wrote:
> IIUC, in general, even in the processes are in a tree, in major case
> of servers, their workloads are independent.
> I think FLAT mode is the dafault. 'heararchical' is a crazy thing which
> cannot be managed.
Better pay attention to the current overall cgroups discussions being
held by Tejun then. ([RFD] cgroup: about multiple hierarchies)
The topic of whether of adapting all cgroups to be hierarchical by
deafult is a recurring one.
I personally think that it is not unachievable to make res_counters
cheaper, therefore making this less of a problem.
next prev parent reply other threads:[~2012-03-14 9:46 UTC|newest]
Thread overview: 46+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-03-12 21:31 [RFC] cgroup: removing css reference drain wait during cgroup removal Tejun Heo
[not found] ` <20120312213155.GE23255-hpIqsD4AKlfQT0dZR+AlfA@public.gmane.org>
2012-03-12 21:33 ` [RFC REPOST] " Tejun Heo
2012-03-12 21:33 ` Tejun Heo
2012-03-12 21:33 ` Tejun Heo
2012-03-12 23:23 ` Tejun Heo
2012-03-12 23:23 ` Tejun Heo
[not found] ` <20120312213343.GF23255-hpIqsD4AKlfQT0dZR+AlfA@public.gmane.org>
2012-03-12 23:23 ` Tejun Heo
2012-03-13 6:11 ` KAMEZAWA Hiroyuki
2012-03-13 6:11 ` KAMEZAWA Hiroyuki
2012-03-13 6:11 ` KAMEZAWA Hiroyuki
[not found] ` <20120313151148.f8004a00.kamezawa.hiroyu-+CUm20s59erQFUHtdCDX3A@public.gmane.org>
2012-03-13 16:39 ` Tejun Heo
2012-03-13 16:39 ` Tejun Heo
2012-03-13 16:39 ` Tejun Heo
2012-03-13 16:39 ` Tejun Heo
2012-03-14 0:28 ` KAMEZAWA Hiroyuki
2012-03-14 0:28 ` KAMEZAWA Hiroyuki
[not found] ` <20120314092828.3321731c.kamezawa.hiroyu-+CUm20s59erQFUHtdCDX3A@public.gmane.org>
2012-03-14 6:11 ` Tejun Heo
2012-03-14 6:11 ` Tejun Heo
2012-03-14 6:11 ` Tejun Heo
2012-03-14 6:11 ` Tejun Heo
2012-03-14 9:46 ` Glauber Costa [this message]
2012-03-14 9:46 ` Glauber Costa
2012-03-14 9:46 ` Glauber Costa
[not found] ` <4F6068F4.4090909-bzQdu9zFT3WakBO8gow8eQ@public.gmane.org>
2012-03-15 0:16 ` KAMEZAWA Hiroyuki
2012-03-15 0:16 ` KAMEZAWA Hiroyuki
2012-03-15 0:16 ` KAMEZAWA Hiroyuki
2012-03-15 0:16 ` KAMEZAWA Hiroyuki
[not found] ` <4F6134E1.5090601-+CUm20s59erQFUHtdCDX3A@public.gmane.org>
2012-03-15 11:24 ` Glauber Costa
2012-03-15 11:24 ` Glauber Costa
2012-03-15 11:24 ` Glauber Costa
[not found] ` <4F61D167.4000402-bzQdu9zFT3WakBO8gow8eQ@public.gmane.org>
2012-03-16 0:02 ` KAMEZAWA Hiroyuki
2012-03-16 0:02 ` KAMEZAWA Hiroyuki
2012-03-16 0:02 ` KAMEZAWA Hiroyuki
[not found] ` <4F62830F.4060303-+CUm20s59erQFUHtdCDX3A@public.gmane.org>
2012-03-16 10:21 ` Glauber Costa
2012-03-16 10:21 ` Glauber Costa
2012-03-16 10:21 ` Glauber Costa
2012-03-16 10:21 ` Glauber Costa
2012-03-14 9:46 ` Glauber Costa
[not found] ` <20120313163914.GD7349-hpIqsD4AKlfQT0dZR+AlfA@public.gmane.org>
2012-03-14 0:28 ` KAMEZAWA Hiroyuki
2012-03-13 21:45 ` [RFC] " Matt Helsley
[not found] ` <20120313214526.GG19584-52DBMbEzqgQ/wnmkkaCWp/UQ3DHhIser@public.gmane.org>
2012-03-13 22:05 ` Tejun Heo
2012-03-13 22:05 ` Tejun Heo
[not found] ` <20120313220551.GF7349-hpIqsD4AKlfQT0dZR+AlfA@public.gmane.org>
2012-03-13 22:16 ` Tejun Heo
2012-03-13 22:16 ` Tejun Heo
2012-03-13 22:16 ` Tejun Heo
2012-03-13 21:45 ` Matt Helsley
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