From: Marcus Bointon Date: January 20 2012 7:33am Subject: Re: Slow Slave Replication Catchup List-Archive: http://lists.mysql.com/replication/2309 Message-Id: <18A06AA6-3187-4CEE-85A8-362F5A424029@synchromedia.co.uk> MIME-Version: 1.0 (Apple Message framework v1251.1) Content-Type: text/plain; charset=iso-8859-1 Content-Transfer-Encoding: quoted-printable On 19 Jan 2012, at 21:48, Simon wrote: > Has changing from "stop slave" to "STOP SLAVE SQL_THREAD" made such a = difference? Seems like it - that's a neat mechanism. BTW if you're gzipping your = backups, use pigz instead of gzip - I managed to knock about 80% off my = backup time by doing that. Even if you only use it with a single = compression thread, it's still faster as it has separate threads for = i/o. Marcus --=20 Marcus Bointon Synchromedia Limited: Creators of http://www.smartmessages.net/ UK info@hand CRM solutions marcus@stripped | http://www.synchromedia.co.uk/