From owner-svn-src-head@freebsd.org Wed Apr 6 22:48:30 2016 Return-Path: Delivered-To: svn-src-head@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 EFBCAB078A5; Wed, 6 Apr 2016 22:48:30 +0000 (UTC) (envelope-from yaneurabeya@gmail.com) Received: from mail-pa0-x242.google.com (mail-pa0-x242.google.com [IPv6:2607:f8b0:400e:c03::242]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (Client CN "smtp.gmail.com", Issuer "Google Internet Authority G2" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id C18221D2D; Wed, 6 Apr 2016 22:48:30 +0000 (UTC) (envelope-from yaneurabeya@gmail.com) Received: by mail-pa0-x242.google.com with SMTP id q6so5262384pav.0; Wed, 06 Apr 2016 15:48:30 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:subject:from:in-reply-to:date:cc :content-transfer-encoding:message-id:references:to; bh=u2CezOTPBEvafe75sEuAvyitykQeEssUQTY6kYQb/Z4=; b=J/xmdmhjt6URlL1Nf7AI7zUaGgdgYLQNfg9uu0r8p4UTGy0LyZfHVu+5U6IaoJQR/x UD2XPkbzWETbBx9gQhA6CG0nfee+UU2ULoy+rCH2T0mUIEStyLXi76Rd0vzgO8AivGmm k5IeWs2CDPh4y2JF2r6yW+v+CRmSFSoKCpgfh5QABsWvx4Bz70vd+KgjBivjPNSKiWdf WLBels+RYWbm7lJkEdo3f0PfzMg0Nsnyzek80W+GPw7oLhJX3R2Z6nw8kj9D4V8rlG8f FRFnLnVsf93w+oujHfVSesjmYoT7hjX3AiIkyJE1xEaoMRAYDUDMFa/fjvkrurWDjCHA OQSQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20130820; h=x-gm-message-state:mime-version:subject:from:in-reply-to:date:cc :content-transfer-encoding:message-id:references:to; bh=u2CezOTPBEvafe75sEuAvyitykQeEssUQTY6kYQb/Z4=; b=hztyTPsSeIMjxI8uG7rGyltspZO50e823JAR76xlgGiKf6qHF61syZrvDGb9ZHk9ux OrZskNvyATpfDNqshXMWJM2p3im5dilqD6bW8Ly2QnSD4X5Af34W+Fgj+orXuF8hM+a2 oO+/hJ7dNriV1KieZwf5tHcbUakW7f9hLkQoDmQvYv02azn+f7HY80HUFJ2MFa84l2XN P9EhdlSUwDq/ooNDhi4STlaaumtgJdCrA1ajTlcQ1OdwbJ3/UqRxLkJO8/E9+TErqXTN vGc6qvOVnSVEXOEvOxUZRQtrJqZCJI5M6NNVMlUYT2vJjD+0XVpx9Q+dAnJscIsKEWbH h3Jw== X-Gm-Message-State: AD7BkJLTu006pecYRe+THlefmUWlrimV/2eKVAjxY+zbWfNgnzFmr2wjI8ptswx3dFapWA== X-Received: by 10.66.220.101 with SMTP id pv5mr74427121pac.139.1459982902820; Wed, 06 Apr 2016 15:48:22 -0700 (PDT) Received: from [192.168.100.71] ([199.231.240.59]) by smtp.gmail.com with ESMTPSA id g28sm7230908pfd.25.2016.04.06.15.48.21 (version=TLSv1/SSLv3 cipher=OTHER); Wed, 06 Apr 2016 15:48:21 -0700 (PDT) Content-Type: text/plain; charset=us-ascii Mime-Version: 1.0 (Mac OS X Mail 8.2 \(2104\)) Subject: Re: svn commit: r297626 - head/lib/libc/db/hash From: "Ngie Cooper (yaneurabeya)" In-Reply-To: <20160406224229.GM49864@ivaldir.etoilebsd.net> Date: Wed, 6 Apr 2016 15:48:20 -0700 Cc: Bryan Drewery , src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Content-Transfer-Encoding: quoted-printable Message-Id: References: <201604062238.u36McovK015120@repo.freebsd.org> <20160406224229.GM49864@ivaldir.etoilebsd.net> To: Baptiste Daroussin X-Mailer: Apple Mail (2.2104) X-BeenThere: svn-src-head@freebsd.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: SVN commit messages for the src tree for head/-current List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 06 Apr 2016 22:48:31 -0000 > On Apr 6, 2016, at 15:42, Baptiste Daroussin wrote: >=20 > On Wed, Apr 06, 2016 at 10:38:50PM +0000, Bryan Drewery wrote: >> Author: bdrewery >> Date: Wed Apr 6 22:38:50 2016 >> New Revision: 297626 >> URL: https://svnweb.freebsd.org/changeset/base/297626 >>=20 >> Log: >> Follow-up r295924: Only sync hash-based db files open for writing = when closing. >>=20 >> This fixes a major performance regression when reading db files such = as >> the pw database during a 'pkg install'. >>=20 > FYI that causes pkg installation to be 10 times slower than before! Does the before or after case cause it to be 10x slower?=