|This feature was removed from MediaWiki core in version 1.40.0. Please see $wgWANObjectCache for an alternative way to use this feature.|
|Main wide area network cache configuration.
|Introduced in version:||1.26.0 (Gerrit change 187074; git #3a1f8b11)|
|Removed in version:||1.40.0 (Gerrit change 889244; git #39ead04e)|
|Default value:||see below|
|Other settings: Alphabetical | By function|
To actually broadcast purges to multiple cache servers, it must be set to an appropriate
$wgWANObjectCaches entry with purge relayer setup.