On Wed, 2008-03-19 at 12:08 -0700, dormando wrote: > Are you writing to both sides?
Yup > MogileFS _only_ supports sending writes to a *single* database. This is > partially due to how FID locking works, and partially because it's > otherwise completely untested. Ah, ok. Well, I can safely say it doesn't work. :) > I run mogilefs under master-master setups, with the following concessions: > > - auto_increment_offset is used to ensure each side gets unique values. Yup, always. > You can use the slave configuration and, say, a secondary HA VIP to use > the internal readonly slave support to send some queries to the second > machine. We'll probably go with some routine to activate a tracker on the second master if the primary master ever goes down. > I've never had to even think about running mogilefs with active > multimaster due to load... It's always been pathetically low. For us, this is about high availability rather than load balancing. I think we can handle this in our application layer by switching to whichever tracker is online, and some script on each tracker machine to watch for a tracker to be down and start up if appropriate. > -Dormando Thanks again for the knowledge and help! Clint Twelve Horses Mobile Social Web Email Clinton Goudie-Nice Architect / Senior Software Engineer [EMAIL PROTECTED] Phone: +1.801.571.2665 ext 3264 Mobile: +1.801.915.0629 Fax: +1.801.571.2669 LinkedIn: http://www.linkedin.com/in/cgoudie Twelve Horses 13961 Minuteman Drive Suite 125 Draper, UT 84020 www.twelvehorses.com
