Date: Wed, 20 Mar 2013 04:36:32 +0100 From: Davide D'Amico <davide.damico@contactlab.com> To: Bob Friesenhahn <bfriesen@simple.dallas.tx.us> Cc: freebsd-fs@freebsd.org Subject: Re: FreBSD 9.1 and ZFS v28 performances Message-ID: <4930f6fddf6a995051bc6554d1a6a6b7@sys.tomatointeractive.it> In-Reply-To: <alpine.GSO.2.01.1303192036240.11141@freddy.simplesystems.org> References: <514729BD.2000608@contactlab.com> <810E5C08C2D149DBAC94E30678234995@multiplay.co.uk> <51473D1D.3050306@contactlab.com> <1DD6360145924BE0ABF2D0979287F5F4@multiplay.co.uk> <51474F2F.5040003@contactlab.com> <E106A7DB08744581A08C610BD8A86560@multiplay.co.uk> <51475267.1050204@contactlab.com> <514757DD.9030705@contactlab.com> <A9C89C979F8D4CBABE73256A1C66E95D@multiplay.co.uk> <alpine.GSO.2.01.1303192036240.11141@freddy.simplesystems.org>
next in thread | previous in thread | raw e-mail | index | archive | help
Il 20.03.2013 02:37 Bob Friesenhahn ha scritto: > On Mon, 18 Mar 2013, Steven Hartland wrote: >> >> Oh and another thing if this is mysql did you set the right settings >> for your ZFS volume e.g. >> zfs set atime=off tank >> zfs create tank/mysql >> zfs set recordsize=16k tank/mysql > > Very importantly, the recordsize should be set before first creating > the database file. The recordsize becomes a property of the file. > Even if one sets it to 16k, the file will continue to use 128k if that > was the setting when it was created. Well, after changing the recordsite property, I copied the file from an UFS partition (using cp -Rp): this should use recordsize=16k, right? Thanks, d.
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?4930f6fddf6a995051bc6554d1a6a6b7>