Package org.apache.hadoop.hbase.zookeeper

Class Summary

Class	Description
ClusterStatusTracker	Tracker on cluster settings up in zookeeper.
DeletionListener	A ZooKeeper watcher meant to detect deletions of ZNodes.
DrainingServerTracker	Tracks the list of draining region servers via ZK.
EmptyWatcher	An empty ZooKeeper watcher
HQuorumPeer	HBase's version of ZooKeeper's QuorumPeer.
LoadBalancerTracker	Tracks the load balancer state up in ZK
MasterAddressTracker	Manages the location of the current active Master for the RegionServer.
MetaRegionTracker	Tracks the meta region server location node in zookeeper.
MiniZooKeeperCluster	TODO: Most of the code in this class is ripped from ZooKeeper tests.
RecoverableZooKeeper	A zookeeper that can handle 'recoverable' errors.
RecoveringRegionWatcher	Watcher used to be notified of the recovering region coming out of recovering state
RegionServerTracker	Tracks the online region servers via ZK.
ZKAssign	Utility class for doing region assignment in ZooKeeper.
ZKClusterId	Publishes and synchronizes a unique identifier specific to a given HBase cluster.
ZKConfig	Utility methods for reading, and building the ZooKeeper configuration.
ZKLeaderManager	Deprecated Not used
ZKServerTool	Tool for reading ZooKeeper servers from HBase XML configuration and producing a line-by-line list for use by bash scripts.
ZKSplitLog	Common methods and attributes used by SplitLogManager and SplitLogWorker running distributed splitting of WAL logs.
ZKTable	Helper class for table state tracking for use by AssignmentManager.
ZKTableReadOnly	Non-instantiable class that provides helper functions for clients other than AssignmentManager for reading the state of a table in ZK.
ZKUtil	Internal HBase utility class for ZooKeeper.
ZKUtil.NodeAndData	Deprecated Unused
ZKUtil.ZKUtilOp	Represents an action taken by ZKUtil, e.g.
ZKUtil.ZKUtilOp.CreateAndFailSilent	ZKUtilOp representing createAndFailSilent in ZooKeeper (attempt to create node, ignore error if already exists)
ZKUtil.ZKUtilOp.DeleteNodeFailSilent	ZKUtilOp representing deleteNodeFailSilent in ZooKeeper (attempt to delete node, ignore error if node doesn't exist)
ZKUtil.ZKUtilOp.SetData	ZKUtilOp representing setData in ZooKeeper
ZooKeeperListener	Base class for internal listeners of ZooKeeper events.
ZooKeeperMainServer	Tool for running ZookeeperMain from HBase by reading a ZooKeeper server from HBase XML configuration.
ZooKeeperNodeTracker	Tracks the availability and value of a single ZooKeeper node.
ZooKeeperWatcher	Acts as the single ZooKeeper Watcher.