Cache: $wgMainWANCache
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)
Allowed values:(array)
Default value:see below



This should be set to a key from $wgWANObjectCaches . If not set at all, it would be set to 'mediawiki-main-default', using an implicit $wgWANObjectCaches entry based on $wgMainCacheType .

To actually broadcast purges to multiple cache servers, it must be set to an appropriate $wgWANObjectCaches entry with purge relayer setup.