Date: Wed, 6 Apr 2016 15:48:20 -0700 From: "Ngie Cooper (yaneurabeya)" <yaneurabeya@gmail.com> To: Baptiste Daroussin <bapt@FreeBSD.org> Cc: Bryan Drewery <bdrewery@FreeBSD.org>, src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: Re: svn commit: r297626 - head/lib/libc/db/hash Message-ID: <A0E4E1F9-4592-405B-93C5-22236B861AA9@gmail.com> In-Reply-To: <20160406224229.GM49864@ivaldir.etoilebsd.net> References: <201604062238.u36McovK015120@repo.freebsd.org> <20160406224229.GM49864@ivaldir.etoilebsd.net>
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> On Apr 6, 2016, at 15:42, Baptiste Daroussin <bapt@FreeBSD.org> wrote: > > 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 >> >> Log: >> Follow-up r295924: Only sync hash-based db files open for writing when closing. >> >> This fixes a major performance regression when reading db files such as >> the pw database during a 'pkg install'. >> > FYI that causes pkg installation to be 10 times slower than before! Does the before or after case cause it to be 10x slower?
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