[2/2] zookeeper git commit: ZOOKEEPER-1177: Add the memory optimized watch manager for concentrate watches scenario

ZOOKEEPER-1177: Add the memory optimized watch manager for concentrate watches scenario The current HashSet based WatcherManager will consume more than 40GB memory when creating 300M watches. This patch optimized the memory and time complexity for concentrate watches scenario, compared to Watch

[1/2] zookeeper git commit: ZOOKEEPER-1177: Add the memory optimized watch manager for concentrate watches scenario

Repository: zookeeper Updated Branches: refs/heads/master 4ebb847bc -> fdde8b006 http://git-wip-us.apache.org/repos/asf/zookeeper/blob/fdde8b00/src/java/main/org/apache/zookeeper/server/watch/WatcherOrBitSet.java -- diff --git