|This feature was removed completely in version 1.13.0.|
|LoadBalancer settings: $wgAlternateMaster|
|A map of database name to connection index.
|Introduced in version:||1.10.0|
|Removed in version:||1.13.0|
|Other settings: Alphabetical | By function|
A map of database name (key) to connection index (value), describing the master database server for each database. The connection index is an index into the $wgDBservers array. If a database is not listed here, the default load balancing settings will be used.
To use this feature in 1.13 and above, you have to customize $wgLBFactoryConf and use
LBFactory_Multi as class.