Date: Tue, 27 Nov 2007 14:04:11 +0100 From: Albert Shih <Albert.Shih@obspm.fr> To: "Philip M. Gollucci" <pgollucci@riderway.com> Cc: "freebsd-questions@freebsd.org" <freebsd-questions@freebsd.org> Subject: Re: Help for very bad perf for MySQL Message-ID: <20071127130411.GD81551@pcjas.obspm.fr> In-Reply-To: <474ABA1B.9070808@riderway.com> References: <20071126115022.GA70340@pcjas.obspm.fr> <474ABA1B.9070808@riderway.com>
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Le 26/11/2007 à 07:20:43-0500, Philip M. Gollucci a écrit > Albert Shih wrote: > > Hi all > > > > I've already send a message. But I don't receive any answer :-(. I try again > > and hope there more solution > > > > I've a bi-proc single core Xeon 3.2ghz with FreeBSD 6.2, I'm running Mysql > > 5.X on this server and the performance of MySQL is very bad. For some > > complexe select I've got ~6secondes (on some basic Linux it's take 0.6 > > sec). And I think this is nothing about thead (that's mean I don't think > > FreeBSD 7.0 can solve my problem) because it's just for one select. > Well -- we'll need more information, but as your say, if its not > threading related what makes you think its FreeBSD. You'd probably have > better luck over on mysql@lists.mysql.com. Thanks for this information. > Also, your my.cnf is the next step. [client] port = 3306 socket = /tmp/mysql.sock [mysqld] port = 3306 socket = /tmp/mysql.sock skip-locking key_buffer = 384M max_allowed_packet = 1M table_cache = 512 sort_buffer_size = 2M read_buffer_size = 2M read_rnd_buffer_size = 8M myisam_sort_buffer_size = 64M thread_cache_size = 8 query_cache_size = 32M thread_concurrency = 8 log-bin=mysql-bin server-id = 1 [mysqldump] quick max_allowed_packet = 16M [mysql] no-auto-rehash [isamchk] key_buffer = 256M sort_buffer_size = 256M read_buffer = 2M write_buffer = 2M [myisamchk] key_buffer = 256M sort_buffer_size = 256M read_buffer = 2M write_buffer = 2M [mysqlhotcopy] interactive-timeout Regards. JAS -- Albert SHIH Observatoire de Paris Meudon SIO batiment 15 Heure local/Local time: Mar 27 nov 2007 14:02:31 CET
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