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Subject: Re: [RFC][PATCH 00/26] sched/numa
From: Peter Zijlstra <a.p.zijlstra@chello.nl>
Date: Mon, 19 Mar 2012 20:05:27 +0100
In-Reply-To: <20120319140701.GM24602@redhat.com>
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To: Andrea Arcangeli <aarcange@redhat.com>
Cc: Avi Kivity <avi@redhat.com>, Linus Torvalds <torvalds@linux-foundation.org>, Andrew Morton <akpm@linux-foundation.org>, Thomas Gleixner <tglx@linutronix.de>, Ingo Molnar <mingo@elte.hu>, Paul Turner <pjt@google.com>, Suresh Siddha <suresh.b.siddha@intel.com>, Mike Galbraith <efault@gmx.de>, "Paul E.
 McKenney" <paulmck@linux.vnet.ibm.com>, Lai Jiangshan <laijs@cn.fujitsu.com>, Dan Smith <danms@us.ibm.com>, Bharata B Rao <bharata.rao@gmail.com>, Lee Schermerhorn <Lee.Schermerhorn@hp.com>, Rik van Riel <riel@redhat.com>, Johannes Weiner <hannes@cmpxchg.org>, linux-kernel@vger.kernel.org, linux-mm@kvack.org

On Mon, 2012-03-19 at 15:07 +0100, Andrea Arcangeli wrote:
> You may want to check how many gigabytes they swap... going through
> the mess of swap-over-nfs to swap _only_ ~100M would be laughable. If
> they push to swap several gigabytes ok, but then 100M more or less
> won't matter.=20

They explicitly said the regular system services that get spawned at
boot and are convenient to have around but are mostly just there sucking
up memory. Thinks like sshd, crond etc..

ps -deo pid,rss,comm | awk '{t +=3D $2} END { print t }'

On my (otherwise idle) box gives me ~62M.


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