From owner-freebsd-questions@freebsd.org Sun Aug 9 21:39:54 2020 Return-Path: Delivered-To: freebsd-questions@mailman.nyi.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mailman.nyi.freebsd.org (Postfix) with ESMTP id 920503BE76B for ; Sun, 9 Aug 2020 21:39:54 +0000 (UTC) (envelope-from doug@safeport.com) Received: from bucksport.safeport.com (bucksport.safeport.com [198.74.231.101]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (Client did not present a certificate) by mx1.freebsd.org (Postfix) with ESMTPS id 4BPsvF5Vr1z4Qn3 for ; Sun, 9 Aug 2020 21:39:53 +0000 (UTC) (envelope-from doug@safeport.com) Received: from bucksport.safeport.com (bucksport.safeport.com [198.74.231.101]) by bucksport.safeport.com (8.14.5/8.14.5) with ESMTP id 079LdrQt056264; Sun, 9 Aug 2020 17:39:53 -0400 (EDT) (envelope-from doug@safeport.com) Date: Sun, 9 Aug 2020 17:39:53 -0400 (EDT) From: Doug Denault To: "Steve O'Hara-Smith" cc: freebsd-questions@FreeBSD.ORG Subject: Re: swapspace grows with no return In-Reply-To: Message-ID: References: <20200809210843.7ad609168aea9ad1cabd6fc8@sohara.org> User-Agent: Alpine 2.00 (BSF 1167 2008-08-23) MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII; format=flowed X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.4.3 (bucksport.safeport.com [198.74.231.101]); Sun, 09 Aug 2020 17:39:53 -0400 (EDT) X-Rspamd-Queue-Id: 4BPsvF5Vr1z4Qn3 X-Spamd-Bar: -- Authentication-Results: mx1.freebsd.org; dkim=none; dmarc=none; spf=pass (mx1.freebsd.org: domain of doug@safeport.com designates 198.74.231.101 as permitted sender) smtp.mailfrom=doug@safeport.com X-Spamd-Result: default: False [-2.44 / 15.00]; ARC_NA(0.00)[]; NEURAL_HAM_MEDIUM(-1.01)[-1.015]; FROM_HAS_DN(0.00)[]; TO_DN_SOME(0.00)[]; R_SPF_ALLOW(-0.20)[+ip4:198.74.231.101:c]; NEURAL_HAM_LONG(-0.95)[-0.951]; MIME_GOOD(-0.10)[text/plain]; DMARC_NA(0.00)[safeport.com]; TO_MATCH_ENVRCPT_SOME(0.00)[]; NEURAL_HAM_SHORT(-0.38)[-0.375]; RCPT_COUNT_TWO(0.00)[2]; RCVD_COUNT_ONE(0.00)[1]; RCVD_NO_TLS_LAST(0.10)[]; FROM_EQ_ENVFROM(0.00)[]; R_DKIM_NA(0.00)[]; MIME_TRACE(0.00)[0:+]; ASN(0.00)[asn:11288, ipnet:198.74.228.0/22, country:US]; ONCE_RECEIVED(0.10)[] X-BeenThere: freebsd-questions@freebsd.org X-Mailman-Version: 2.1.33 Precedence: list List-Id: User questions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sun, 09 Aug 2020 21:39:54 -0000 On Sun, 9 Aug 2020, Doug Denault wrote: > On Sun, 9 Aug 2020, Steve O'Hara-Smith wrote: > >> On Sun, 9 Aug 2020 12:52:35 -0400 (EDT) >> Doug Denault wrote: >> >>> I ran vmstat over night; there were about 10 pageins and no pageouts. top >>> and 'systat vmstat' also show no paging. The swap file when from 18% to >>> 20% over that time frame. The obvious question is: how come? >> >> Do you have a swap backed tmpfs mounted ? >> >> -- >> Steve O'Hara-Smith > > No. Would that make finding the offending jail possible? > Never mind - read about tmpfs, does not seem the best idea in the world as /tmp/ get used a bunch in the wordpress/php world. _____ Douglas Denault http://www.safeport.com doug@safeport.com Voice: 301-217-9220 Fax: 301-217-9277