[Mediawiki-l] Redundancy, MySQL replication and $wgDBservers

[Brion Vibber]

B. Johannessen wrote:
> So my question is; why does a simple page load on slave trigger an 
> attempt to contact the database on master?

Some lookups are *always* done from the master to ensure they are up to 
date. If the master's not accessible, MediaWiki won't work. (Currently 
you have to do failover manually.)

-- brion vibber (brion @ wikimedia.org)