From owner-freebsd-stable@FreeBSD.ORG Tue Apr 8 08:52:02 2014 Return-Path: Delivered-To: freebsd-stable@FreeBSD.org Received: from mx1.freebsd.org (mx1.freebsd.org [8.8.178.115]) (using TLSv1 with cipher ADH-AES256-SHA (256/256 bits)) (No client certificate requested) by hub.freebsd.org (Postfix) with ESMTPS id 7707A8F0 for ; Tue, 8 Apr 2014 08:52:02 +0000 (UTC) Received: from citadel.icyb.net.ua (citadel.icyb.net.ua [212.40.38.140]) by mx1.freebsd.org (Postfix) with ESMTP id C47681691 for ; Tue, 8 Apr 2014 08:52:01 +0000 (UTC) Received: from porto.starpoint.kiev.ua (porto-e.starpoint.kiev.ua [212.40.38.100]) by citadel.icyb.net.ua (8.8.8p3/ICyb-2.3exp) with ESMTP id LAA21520; Tue, 08 Apr 2014 11:51:59 +0300 (EEST) (envelope-from avg@FreeBSD.org) Received: from localhost ([127.0.0.1]) by porto.starpoint.kiev.ua with esmtp (Exim 4.34 (FreeBSD)) id 1WXRl8-000Ljh-Lt; Tue, 08 Apr 2014 11:51:59 +0300 Message-ID: <5343B889.4060000@FreeBSD.org> Date: Tue, 08 Apr 2014 11:51:21 +0300 From: Andriy Gapon User-Agent: Mozilla/5.0 (X11; FreeBSD amd64; rv:24.0) Gecko/20100101 Thunderbird/24.2.0 MIME-Version: 1.0 To: Steven Hartland , stable-list freebsd Subject: Re: What's up with the swapping since 10/stable References: In-Reply-To: X-Enigmail-Version: 1.6 Content-Type: text/plain; charset=windows-1252 Content-Transfer-Encoding: 7bit X-BeenThere: freebsd-stable@freebsd.org X-Mailman-Version: 2.1.17 Precedence: list List-Id: Production branch of FreeBSD source code List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 08 Apr 2014 08:52:02 -0000 on 04/04/2014 11:09 Steven Hartland said the following: > We've noticed that swapping is much more agressive in 10.0 than > in 8.3 and have indeed seen it swap processes out when there is > 10GB+ free memory. I believe that r254304 made the page daemon more eager to page out and, as a consequence, to potentially swap out. Also, it skewed the fragile and imperfect cooperation between the page daemon and ARC sizing. -- Andriy Gapon