Change-Id: I49e5c112478927387244214917fb06907c22186f
* Delete events are broadcasted to other DCs. See WANObjectCache for details.
*
* - ObjectCache::getMainStashInstance()
- * Purpose: Storage.
+ * Purpose: Ephemeral storage.
* Stored centrally within the local data-center.
* Changes are replicated to other DCs (eventually consistent).
* To retrieve the latest value (e.g. not from a slave), use BagOStuff:READ_LATEST.
+ * This store may be subject to LRU style evictions.
*
* - wfGetCache( $cacheType )
* Get a specific cache type by key in $wgObjectCaches.