crast fc77a4d2d3 Reduce thread synchronization in MetadataStoreBase ... Use ConcurrentHashMap to allow thread-safe access methods and very limited synchronized portions to allow much higher concurrency in MetadataStore as well as far less locking, especially on reads		2013-06-01 13:52:30 -06:00
paper-api	Reduce thread synchronization in MetadataStoreBase	2013-06-01 13:52:30 -06:00