From owner-freebsd-questions@freebsd.org Fri Oct 16 18:55:58 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 D60EC43D0FE for ; Fri, 16 Oct 2020 18:55:58 +0000 (UTC) (envelope-from 4250.82.1d4c50003cac6c4.427c5627c7dfbdc6b846b7ffecdc16d4@email-od.com) Received: from s1-b0c6.socketlabs.email-od.com (s1-b0c6.socketlabs.email-od.com [142.0.176.198]) (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 4CCb2k03Zqz43pp for ; Fri, 16 Oct 2020 18:55:57 +0000 (UTC) (envelope-from 4250.82.1d4c50003cac6c4.427c5627c7dfbdc6b846b7ffecdc16d4@email-od.com) DKIM-Signature: v=1; a=rsa-sha256; d=email-od.com;i=@email-od.com;s=dkim; c=relaxed/relaxed; q=dns/txt; t=1602874556; x=1605466556; h=content-transfer-encoding:content-type:mime-version:references:in-reply-to:message-id:subject:to:from:date:x-thread-info; bh=T5HChZ6VUTdhuL+eaPyKixHVcn0cQlLU9U5JTYIv5Nc=; b=CdEP43olb/BK1RcJFvDh/0++AKjVtJkT81eUUe/npkD9s8DuHjA/3goU1RDxT3nzyYYiJSbhDbkEMH+e0mLrFQTvcAKA9kfKw9PEUSRdqigp4C2D2zc5bdBw1cU8E7r5j6qDK/oP+PqsiYzL/+Qc3ciDupQ8M/z11DszLNn/5kg= X-Thread-Info: NDI1MC45Mi4xZDRjNTAwMDNjYWM2YzQuZnJlZWJzZC1xdWVzdGlvbnM9ZnJlZWJzZC5vcmc= Received: from r4.h.in.socketlabs.com (s1-b40f.socketlabs.email-od.com [142.0.180.15]) by mxsg2.email-od.com with ESMTP(version=Tls12 cipher=Aes256 bits=256); Fri, 16 Oct 2020 14:55:46 -0400 Received: from smtp.lan.sohara.org (EMTPY [185.202.17.215]) by r4.h.in.socketlabs.com with ESMTP(version=Tls12 cipher=Aes256 bits=256); Fri, 16 Oct 2020 14:55:48 -0400 Received: from [192.168.63.1] (helo=steve.lan.sohara.org) by smtp.lan.sohara.org with smtp (Exim 4.94 (FreeBSD)) (envelope-from ) id 1kTUtG-0002OR-Ce for freebsd-questions@freebsd.org; Fri, 16 Oct 2020 19:55:46 +0100 Date: Fri, 16 Oct 2020 19:55:46 +0100 From: Steve O'Hara-Smith To: freebsd-questions@freebsd.org Subject: Re: FreeBSD using swap even though there's a lot of free memory Message-Id: <20201016195546.a3392f971837aa2eeace1325@sohara.org> In-Reply-To: References: <5f885b772d622_95aa2adab2b9c5b41576495c3@sirportly-app-02.mail> X-Mailer: Sylpheed 3.7.0 (GTK+ 2.24.32; amd64-portbld-freebsd12.0) X-Clacks-Overhead: "GNU Terry Pratchett" Mime-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit X-Rspamd-Queue-Id: 4CCb2k03Zqz43pp X-Spamd-Bar: -- Authentication-Results: mx1.freebsd.org; dkim=pass header.d=email-od.com header.s=dkim header.b=CdEP43ol; dmarc=none; spf=pass (mx1.freebsd.org: domain of 4250.82.1d4c50003cac6c4.427c5627c7dfbdc6b846b7ffecdc16d4@email-od.com designates 142.0.176.198 as permitted sender) smtp.mailfrom=4250.82.1d4c50003cac6c4.427c5627c7dfbdc6b846b7ffecdc16d4@email-od.com X-Spamd-Result: default: False [-2.32 / 15.00]; MID_RHS_MATCH_FROM(0.00)[]; ARC_NA(0.00)[]; R_DKIM_ALLOW(-0.20)[email-od.com:s=dkim]; NEURAL_HAM_MEDIUM(-1.03)[-1.026]; FROM_HAS_DN(0.00)[]; RWL_MAILSPIKE_GOOD(0.00)[142.0.176.198:from]; MV_CASE(0.50)[]; TO_MATCH_ENVRCPT_ALL(0.00)[]; MIME_GOOD(-0.10)[text/plain]; TO_DN_NONE(0.00)[]; DMARC_NA(0.00)[sohara.org]; RCPT_COUNT_ONE(0.00)[1]; NEURAL_HAM_LONG(-1.03)[-1.035]; RCVD_COUNT_THREE(0.00)[4]; R_SPF_ALLOW(-0.20)[+ip4:142.0.176.0/20]; DKIM_TRACE(0.00)[email-od.com:+]; NEURAL_HAM_SHORT(-0.56)[-0.564]; RCVD_IN_DNSWL_NONE(0.00)[142.0.176.198:from]; FORGED_SENDER(0.30)[steve@sohara.org,4250.82.1d4c50003cac6c4.427c5627c7dfbdc6b846b7ffecdc16d4@email-od.com]; MIME_TRACE(0.00)[0:+]; RCVD_TLS_LAST(0.00)[]; ASN(0.00)[asn:7381, ipnet:142.0.176.0/22, country:US]; FROM_NEQ_ENVFROM(0.00)[steve@sohara.org,4250.82.1d4c50003cac6c4.427c5627c7dfbdc6b846b7ffecdc16d4@email-od.com]; MAILMAN_DEST(0.00)[freebsd-questions] 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: Fri, 16 Oct 2020 18:55:58 -0000 On Fri, 16 Oct 2020 11:35:42 -0700 Michael Sierchio wrote: > On Thu, Oct 15, 2020 at 7:24 AM Twingly Customer Support > wrote: > > > Hi, > > > > We have a server running FreeBSD 12.1-RELEASE-p10. We currently have a > > problem where FreeBSD starting to swap when running ZFS scrub, even > > though we have ~70G of free memory. > > > tl;dr – this is normal, nothing to see, move along. Not when it starts running out of swap space while still reporting 70G of free memory. -- Steve O'Hara-Smith