From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from pigeon.gentoo.org ([208.92.234.80] helo=lists.gentoo.org) by finch.gentoo.org with esmtp (Exim 4.60) (envelope-from ) id 1R1HHH-00017P-EL for garchives@archives.gentoo.org; Wed, 07 Sep 2011 12:30:51 +0000 Received: from pigeon.gentoo.org (localhost [127.0.0.1]) by pigeon.gentoo.org (Postfix) with SMTP id A7DAA21C17A; Wed, 7 Sep 2011 12:30:31 +0000 (UTC) Received: from svr-us4.tirtonadi.com (unknown [69.65.43.212]) by pigeon.gentoo.org (Postfix) with ESMTP id E071021C21C for ; Wed, 7 Sep 2011 12:28:58 +0000 (UTC) Received: from mail-fx0-f53.google.com ([209.85.161.53]) by svr-us4.tirtonadi.com with esmtpsa (TLSv1:RC4-SHA:128) (Exim 4.69) (envelope-from ) id 1R1HFU-002tgv-V7 for gentoo-user@lists.gentoo.org; Wed, 07 Sep 2011 19:29:01 +0700 Received: by fxd23 with SMTP id 23so539420fxd.40 for ; Wed, 07 Sep 2011 05:28:55 -0700 (PDT) Precedence: bulk List-Post: List-Help: List-Unsubscribe: List-Subscribe: List-Id: Gentoo Linux mail X-BeenThere: gentoo-user@lists.gentoo.org Reply-to: gentoo-user@lists.gentoo.org MIME-Version: 1.0 Received: by 10.223.42.6 with SMTP id q6mr769728fae.140.1315398535148; Wed, 07 Sep 2011 05:28:55 -0700 (PDT) Received: by 10.223.95.207 with HTTP; Wed, 7 Sep 2011 05:28:55 -0700 (PDT) In-Reply-To: References: <4E666C9C.8000605@gmail.com> Date: Wed, 7 Sep 2011 19:28:55 +0700 Message-ID: Subject: Re: [gentoo-user] Filesystem with lowest CPU load, acceptable emerge performance, and stable? From: Pandu Poluan To: gentoo-user@lists.gentoo.org Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: quoted-printable X-AntiAbuse: This header was added to track abuse, please include it with any abuse report X-AntiAbuse: Primary Hostname - svr-us4.tirtonadi.com X-AntiAbuse: Original Domain - lists.gentoo.org X-AntiAbuse: Originator/Caller UID/GID - [47 12] / [47 12] X-AntiAbuse: Sender Address Domain - poluan.info X-Archives-Salt: X-Archives-Hash: 2650b06272c54f7a2ce23ac35a65c777 On Wed, Sep 7, 2011 at 02:24, James Broadhead wr= ote: > On 6 September 2011 19:55, Permjacov Evgeniy 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, --=20 FdS Pandu E Poluan ~ IT Optimizer ~ =C2=A0=E2=80=A2 LOPSA Member #15248 =C2=A0=E2=80=A2 Blog : http://pepoluan.tumblr.com =C2=A0=E2=80=A2 Linked-In : http://id.linkedin.com/in/pepoluan