From owner-freebsd-current@freebsd.org Sun Aug 20 13:01:58 2017 Return-Path: Delivered-To: freebsd-current@mailman.ysv.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:1900:2254:206a::19:1]) by mailman.ysv.freebsd.org (Postfix) with ESMTP id 2E8FEDD1186 for ; Sun, 20 Aug 2017 13:01:58 +0000 (UTC) (envelope-from tech-lists@zyxst.net) Received: from out1-smtp.messagingengine.com (out1-smtp.messagingengine.com [66.111.4.25]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client did not present a certificate) by mx1.freebsd.org (Postfix) with ESMTPS id F39396403F for ; Sun, 20 Aug 2017 13:01:57 +0000 (UTC) (envelope-from tech-lists@zyxst.net) Received: from compute4.internal (compute4.nyi.internal [10.202.2.44]) by mailout.nyi.internal (Postfix) with ESMTP id 021CE20CA4 for ; Sun, 20 Aug 2017 09:01:56 -0400 (EDT) Received: from frontend1 ([10.202.2.160]) by compute4.internal (MEProxy); Sun, 20 Aug 2017 09:01:56 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=zyxst.net; h= content-transfer-encoding:content-type:date:from:in-reply-to :message-id:mime-version:references:subject:to:x-me-sender :x-me-sender:x-sasl-enc:x-sasl-enc; s=fm1; bh=8oSA6J/OhqH3Uenls1 4pdaOMcuxXpusPz6EqcY7gC5o=; b=lYpUSzdDZSD+/ZSQS2VnwwtWHv4T3vvzMc QQlE4E3gh25wgecZaJ+bTf603uuW1geJkZLtf9h7asECHw/a/xT12yAGvYwWRPrv L2Rovgaqkw+mve068IZkKtu6BbvlBSXxtNXj6GTbaj8ZHWsiTdL/2yaSgaA3mPEp eZYyFQWFYZNnvclgjFLravXpiv+T7bVX+6qMg7yitRt8zQyRYqKT3JvDsC49unF0 rstzoGQ0N+kMOhHKeYNnCmnh75g7MgHhs6vYXrYduZwsYpt1riph6QnDcXPtggrJ Zq0sgDRuQ+OziSEx93F8aAJDrjgJY0s7VioT06Zd0pNiwqvE0L6g== DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d= messagingengine.com; h=content-transfer-encoding:content-type :date:from:in-reply-to:message-id:mime-version:references :subject:to:x-me-sender:x-me-sender:x-sasl-enc:x-sasl-enc; s= fm1; bh=8oSA6J/OhqH3Uenls14pdaOMcuxXpusPz6EqcY7gC5o=; b=XjimNabO yGY49zjtsa0Y9ZvtdKy8aZc/JpEMUOvpMksn5OKDdMdn4hia+GI0iFWSvBo600Yq 6pJjn5uAgreK5jYeDWQhzG2LYVCNHGKohamuQ0JqKBAZF1Hgj5qgs7giR+8mOa20 ZTCo2Vh7JjOEjMHvDUk8gysLd1PHpDCyqYRShNOu3FFlWqK5Xsb6Eet1oKVhxZ5m H2QqERYgPuIJ9NqLECra70oN6k+UUfNZ2PVPIXUBqXP7uZz+3a4FRR3sq/HC0Qp6 2IuKygtwFZs1STGlnpU7ZNaTGczgs/ajcsHal82GXvDdgQULVvSPreIAw87pM/ly vlDkPD7PEtqyTA== X-ME-Sender: X-Sasl-enc: 4yN0JV4RENF04YUTJoorMRq8R6a08dvWK7nd47VicpNX 1503234115 Received: from pumpkin.growveg.org (pumpkin.growveg.org [82.70.91.101]) by mail.messagingengine.com (Postfix) with ESMTPA id 929587E300 for ; Sun, 20 Aug 2017 09:01:55 -0400 (EDT) Subject: Re: swapfile query To: freebsd-current@freebsd.org References: <20170819213149.GA34140@raichu> <201708192238.v7JMcFci004579@slippy.cwsent.com> <20170820092211.6a9ad920@ernst.home> From: tech-lists Message-ID: Date: Sun, 20 Aug 2017 14:01:54 +0100 User-Agent: Mozilla/5.0 (X11; FreeBSD amd64; rv:52.0) Gecko/20100101 Thunderbird/52.3.0 MIME-Version: 1.0 In-Reply-To: <20170820092211.6a9ad920@ernst.home> Content-Type: text/plain; charset=utf-8 Content-Language: en-GB Content-Transfer-Encoding: 7bit X-BeenThere: freebsd-current@freebsd.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: Discussions about the use of FreeBSD-current List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sun, 20 Aug 2017 13:01:58 -0000 On 20/08/2017 08:22, Gary Jennejohn wrote: > Depends. I have vm.pageout_update_period=0 in /etc/sysctl.conf > and scan rate (sr) really does reflect the true scan rate. On > my system sr is 0 while the system is idle. > > As an aside, my system (8GB RAM) hardly ever swaps, even under > heavy memory load. Mine is: root@host:~ # sysctl vm.pageout_update_period vm.pageout_update_period: 600 root@host:~ # I'll try with a 0 setting -- J.