From owner-freebsd-hackers@FreeBSD.ORG Tue Jan 7 16:16:47 2014 Return-Path: Delivered-To: hackers@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:1900:2254:206a::19:1]) (using TLSv1 with cipher ADH-AES256-SHA (256/256 bits)) (No client certificate requested) by hub.freebsd.org (Postfix) with ESMTPS id 90CEF2C3 for ; Tue, 7 Jan 2014 16:16:47 +0000 (UTC) Received: from mail-la0-x231.google.com (mail-la0-x231.google.com [IPv6:2a00:1450:4010:c03::231]) (using TLSv1 with cipher ECDHE-RSA-RC4-SHA (128/128 bits)) (No client certificate requested) by mx1.freebsd.org (Postfix) with ESMTPS id 19B7E1612 for ; Tue, 7 Jan 2014 16:16:46 +0000 (UTC) Received: by mail-la0-f49.google.com with SMTP id er20so265990lab.8 for ; Tue, 07 Jan 2014 08:16:45 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=from:content-type:content-transfer-encoding:subject:message-id:date :to:mime-version; bh=vqwWgFCCfKNiC+wFn/B/FHbis7LvPWgEnHR0/WHqtus=; b=pQ5p9uqUNgCNQYPd78DTmiaueSgnw2pyAoaBCeyqReFO6vZRUbuOfc3bk6mB0gljxk LgKfJIluM3nIuqYTPygvW9MfxIedLvDxxuelejQmYO43MGrK2wdT2Fx9FOSKOigJyiJU yf9X+G47o8HuBMKBnZqlVxfaX+EpZQCPT0ukSDo0wIj3QcV0+qTBvioSEQj7KUXgpmnP gGHMFdJipbkPP3taqAS3B3z1Yn1PJQ3/bI5FNoCgxDwz31OpG+jF0IGQ4lpoT8hQTA18 TByI9y6zUZMMdVyc/HTcF9B18iPYfvEqyeRMUn01UOyKKz+Bxxnjc81y63ND5wCZJA9d izDw== X-Received: by 10.152.28.230 with SMTP id e6mr46945956lah.3.1389111404963; Tue, 07 Jan 2014 08:16:44 -0800 (PST) Received: from [10.0.1.20] ([176.193.50.79]) by mx.google.com with ESMTPSA id e6sm45226700lbs.3.2014.01.07.08.16.43 for (version=TLSv1 cipher=ECDHE-RSA-RC4-SHA bits=128/128); Tue, 07 Jan 2014 08:16:43 -0800 (PST) From: Dmitry Sivachenko Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: quoted-printable Subject: FreeBSD-10 and processes swapping out for no reason Message-Id: Date: Tue, 7 Jan 2014 20:16:42 +0400 To: hackers@freebsd.org Mime-Version: 1.0 (Mac OS X Mail 7.1 \(1827\)) X-Mailer: Apple Mail (2.1827) X-Mailman-Approved-At: Tue, 07 Jan 2014 16:48:58 +0000 X-BeenThere: freebsd-hackers@freebsd.org X-Mailman-Version: 2.1.17 Precedence: list List-Id: Technical Discussions relating to FreeBSD List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 07 Jan 2014 16:16:47 -0000 Hello! Recently I updated several of my servers from 9.2-STABLE 10.0: 10.0-PRERELEASE FreeBSD 10.0-PRERELEASE #0 r259661 Workload did not change at all, same programs, same load, same hardware. I noticed that some of the processes on 10.0 boxes are marked as swapped = out in top(1) output: 1436 root 1 43 0 16524K 0K nanslp 14 1:14 0.00% = 1381 smmsp 1 20 0 23988K 0K pause 18 0:04 0.00% = ps also shows them as swapped out (W as second character in state = field): 1381 - IWs 0:00.00 sendmail: Queue runner@00:30:00 for = /var/spool/clie 1436 - IWs 0:00.00 /usr/sbin/cron -s 80231 - IWs 0:00.00 /usr/local/sbin/collectdmon -c = /usr/local/sbin/coll 99348 1 IWs 0:00.00 -csh (csh) These machines have enought RAM and that never happened on 9.2-STABLE. I turned off swap: # swapinfo Device 1K-blocks Used Avail Capacity # And state of these processes did not change: still second characted in = state field of ps output is W, and top shows them in angles. How should I treat that? Thanks.=