From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from lists.gentoo.org (pigeon.gentoo.org [208.92.234.80]) by finch.gentoo.org (Postfix) with ESMTP id 16D531381F3 for ; Sun, 21 Jul 2013 15:26:55 +0000 (UTC) Received: from pigeon.gentoo.org (localhost [127.0.0.1]) by pigeon.gentoo.org (Postfix) with SMTP id 5B8F2E08BD; Sun, 21 Jul 2013 15:26:46 +0000 (UTC) Received: from mail-we0-f176.google.com (mail-we0-f176.google.com [74.125.82.176]) (using TLSv1 with cipher ECDHE-RSA-RC4-SHA (128/128 bits)) (No client certificate requested) by pigeon.gentoo.org (Postfix) with ESMTPS id 46E3EE086E for ; Sun, 21 Jul 2013 15:26:44 +0000 (UTC) Received: by mail-we0-f176.google.com with SMTP id q57so1811273wes.35 for ; Sun, 21 Jul 2013 08:26:43 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=message-id:date:from:user-agent:mime-version:to:subject:references :in-reply-to:content-type:content-transfer-encoding; bh=fCTSC5ykL1HAkPtLwka3kvCR864Yk/iSBYO1ZLejKZ4=; b=iKKeVUzSv4wgD8qTX/4IeCbAqzezc+YauXMCmcCyAvODfwWpBdtErpU7nCy5w9BVt4 hmnccgwjGehqxvvUESKAVgdIRU3miRqlT6Hfwt0/khK9iiJ34ARa1E4dps0pyF3rFRe0 5rPAVLsIqt3qApflhj913wtPL1gADI2Z/dhWxJacaA7XLaCQ4DM0m2fi1hOljmZCksEv JKdsuXXg7/wEnkNNnGvcCOe3FfWd+ZFHMwKjEXWgvvn20fPvyUvXroocGGqLdCg5dW6H y8eXvkWCi8EB9BrViGQomcgJkUu0zQpHT8hT+4pw8ofWWGDOPg0hzyf5DK/3iHi9AD56 g9XQ== X-Received: by 10.180.185.101 with SMTP id fb5mr5872135wic.44.1374420403916; Sun, 21 Jul 2013 08:26:43 -0700 (PDT) Received: from [172.20.0.41] (196-210-102-104.dynamic.isadsl.co.za. [196.210.102.104]) by mx.google.com with ESMTPSA id iz8sm34990117wic.3.2013.07.21.08.26.42 for (version=TLSv1 cipher=ECDHE-RSA-RC4-SHA bits=128/128); Sun, 21 Jul 2013 08:26:43 -0700 (PDT) Message-ID: <51EBFD23.6090304@gmail.com> Date: Sun, 21 Jul 2013 17:24:19 +0200 From: Alan McKinnon User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:17.0) Gecko/20130709 Thunderbird/17.0.7 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 To: gentoo-user@lists.gentoo.org Subject: Re: [gentoo-user] more on SSD: swap References: <20130721113141.6be7f5ad@acme7.acmenet> <51EBF189.2040909@gmail.com> In-Reply-To: <51EBF189.2040909@gmail.com> Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit X-Archives-Salt: ffa75bb4-5616-488c-a16e-6c8d917830ec X-Archives-Hash: ccf741b7ec25b2a41b8e4ffbeea15cc2 On 21/07/2013 16:34, Jarry wrote: > On 21-Jul-13 16:31, luis jure wrote: >> >> so what i'm planning to do now is: >> >> - put swap on the SSD >> - reduce swappiness >> - put /var/tmp/portage on tmpfs >> >> so, do you guys think that's a good setup? > > Sounds good to me. But with 12GB RAM the question is: > Do you need swap at all? > > Jarry yes, he does, but not for the reason most people think tmpfs is backed by swap :-) Swap was originally introduced waaaaaaaaay back in the 60s as a workaround for computers that had far less RAM than the workload strictly needed. This has not fundamentally changed in any significant way 40 years later so like you, I always favour having enough RAM. And RAM is MUCH cheaper than SSDs and requires no fiddling and tweaking to be able to use it. -- Alan McKinnon alan.mckinnon@gmail.com