From owner-freebsd-fs@FreeBSD.ORG Mon Mar 10 18:01:46 2014 Return-Path: Delivered-To: freebsd-fs@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 2FE72711 for ; Mon, 10 Mar 2014 18:01:46 +0000 (UTC) Received: from r2-d2.netlabs.org (r2-d2.netlabs.org [213.238.45.90]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (No client certificate requested) by mx1.freebsd.org (Postfix) with ESMTPS id 9D583A84 for ; Mon, 10 Mar 2014 18:01:45 +0000 (UTC) Received: (qmail 7884 invoked by uid 89); 10 Mar 2014 18:01:42 -0000 Received: from unknown (HELO eternal.metropolis.netlabs.org) (ml-ktk@netlabs.org@213.144.156.18) by 0 with ESMTPA; 10 Mar 2014 18:01:42 -0000 Message-ID: <531DFE06.40307@netlabs.org> Date: Mon, 10 Mar 2014 19:01:42 +0100 From: Adrian Gschwend User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.9; rv:17.0) Gecko/20130801 Thunderbird/17.0.8 MIME-Version: 1.0 To: Steven Hartland Subject: Re: Reoccuring ZFS performance problems References: <531DF0DD.8070809@netlabs.org> <531DF924.5030109@netlabs.org> In-Reply-To: Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Cc: freebsd-fs@freebsd.org X-BeenThere: freebsd-fs@freebsd.org X-Mailman-Version: 2.1.17 Precedence: list List-Id: Filesystems List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 10 Mar 2014 18:01:46 -0000 On 10.03.14 18:50, Steven Hartland wrote: Hi Steven, > Its enabled but not in use as the devices are reporting unsupported. ah ok > Disabled atime, configured innodb settings? tank/storage/data/db/data atime off inherited from tank/storage my.cnf (part of it, let me know if you want full): -- # CACHES AND LIMITS # tmp-table-size = 32M max-heap-table-size = 32M query-cache-type = 0 query-cache-size = 0 max-connections = 500 thread-cache-size = 50 open-files-limit = 65535 table-definition-cache = 4096 table-open-cache = 4096 # INNODB # innodb-flush-method = O_DIRECT innodb-log-files-in-group = 2 innodb-log-file-size = 256M innodb-flush-log-at-trx-commit = 1 innodb-file-per-table = 1 innodb-buffer-pool-size = 4G skip-innodb_doublewrite = 1 -- MySQL is up again and it's getting slower: (same at pastebin: http://pastebin.com/1qrWFppK ) dT: 1.010s w: 1.000s L(q) ops/s r/s kBps ms/r w/s kBps ms/w d/s kBps ms/d %busy Name 10 249 74 191 0.6 171 531 37.5 0 0 0.0 75.9| vtbd0 0 0 0 0 0.0 0 0 0.0 0 0 0.0 0.0| vtbd0p1 0 0 0 0 0.0 0 0 0.0 0 0 0.0 0.0| vtbd0p2 10 249 74 191 14.0 171 531 38.4 0 0 0.0 95.7| vtbd0p3 0 0 0 0 0.0 0 0 0.0 0 0 0.0 0.0| cd0 0 0 0 0 0.0 0 0 0.0 0 0 0.0 0.0| gptid/e402ecce-89ca-11e2-a867-3264262b9894 0 0 0 0 0.0 0 0 0.0 0 0 0.0 0.0| gptid/e4112d88-89ca-11e2-a867-3264262b9894 regards Adrian