* Purpose: Ephemeral global storage.
* Stored centrally within the primary data-center.
* Changes are applied there first and replicated to other DCs (best-effort).
- * To retrieve the latest value (e.g. not from a slave), use BagOStuff::READ_LATEST.
+ * To retrieve the latest value (e.g. not from a replica DB), use BagOStuff::READ_LATEST.
* This store may be subject to LRU style evictions.
*
* - ObjectCache::getInstance( $cacheType )