Package org.apache.hadoop.hbase.zookeeper

Class Summary
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.
 



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