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From: Pandu Poluan <pandu@poluan.info>
To: gentoo-user@lists.gentoo.org
Subject: Re: [gentoo-user] Filesystem with lowest CPU load, acceptable emerge performance, and stable?
Date: Wed, 7 Sep 2011 19:28:55 +0700	[thread overview]
Message-ID: <CAA2qdGUGaP=5sEt7wh+YWc6toT-z1wv84gu10QS=GMXQyo-HZQ@mail.gmail.com> (raw)
In-Reply-To: <CA+hid6Fe6YK=K1Mf1SNegw+5bHPffbW1Ygb1JW6C-rHbRitzsw@mail.gmail.com>

On Wed, Sep 7, 2011 at 02:24, James Broadhead <jamesbroadhead@gmail.com> wrote:
> On 6 September 2011 19:55, Permjacov Evgeniy <permeakra@gmail.com> wrote:
>> On 09/06/2011 09:26 PM, Pandu Poluan wrote:
>>> Disk I/O Characteristic: Occasional writes during 'normal' usage,
>>> once-a-week eix-sync + emerge -avuD
>>> Priority: Stable (i.e., less chance of corruption), least CPU usage.
>
> You would have to profile this, but I imagine that the best approach
> would be to compile in a RAM disk and copy. I think that you're
> probably trying to optimise the wrong part of this problem.
>

Hmmm... that gives me an idea...

If I have some free time, I'll experiment with doing an 'emerge -e
@world' on the various filesystems, and recording their total time
*and* CPU load.

Is the `sar` utility good enough to record CPU load?

Rgds,
-- 
FdS Pandu E Poluan
~ IT Optimizer ~

 • LOPSA Member #15248
 • Blog : http://pepoluan.tumblr.com
 • Linked-In : http://id.linkedin.com/in/pepoluan



  parent reply	other threads:[~2011-09-07 12:30 UTC|newest]

Thread overview: 18+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2011-09-06 17:26 [gentoo-user] Filesystem with lowest CPU load, acceptable emerge performance, and stable? Pandu Poluan
2011-09-06 17:52 ` [gentoo-user] " Pandu Poluan
2011-09-06 18:07   ` Florian Philipp
2011-09-06 18:15 ` [gentoo-user] " kashani
2011-09-07 12:25   ` Pandu Poluan
2011-09-07 22:15     ` kashani
2011-09-08  7:52       ` Pandu Poluan
2011-09-08 22:26         ` kashani
2011-09-06 18:55 ` Permjacov Evgeniy
2011-09-06 19:18   ` Michael Mol
2011-09-06 19:24   ` James Broadhead
2011-09-07 12:06     ` Florian Philipp
2011-09-07 12:23       ` Pandu Poluan
2011-09-07 12:28     ` Pandu Poluan [this message]
2011-09-07 21:24       ` Jesús J. Guerrero Botella
2011-09-09  7:36 ` Andrea Conti
2011-09-10  5:43 ` Walter Dnes
2011-09-11 21:02   ` Jesús J. Guerrero Botella

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