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WAN cache: $wgMainWANCache
Main wide area network cache configuration.
Introduced in version:1.26.0
Removed in version:still in use
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.