Package org.apache.hadoop.hbase.master

Interface Summary
LogCleanerDelegate Interface for the log cleaning function inside the master.
MasterServices Services Master supplies
 

Class Summary
AssignmentManager Manages and performs region assignment.
AssignmentManager.RegionState State of a Region while undergoing transitions.
BulkAssigner Base class used bulk assigning and unassigning regions.
DeadServer Class to hold dead servers list and utility querying dead server list.
HMaster HMaster is the "master server" for HBase.
HMasterCommandLine  
HMasterCommandLine.LocalHMaster  
LoadBalancer Makes decisions about the placement and movement of Regions across RegionServers.
LoadBalancer.RegionPlan Stores the plan for the move of an individual region.
LogCleaner This Chore, everytime it runs, will clear the HLogs in the old logs folder that are deletable for each log cleaner in the chain.
MasterFileSystem This class abstracts a bunch of operations the HMaster needs to interact with the underlying file system, including splitting log files, checking file system status, etc.
ServerManager The ServerManager class manages info about region servers - HServerInfo, load numbers, dying servers, etc.
TimeToLiveLogCleaner Log cleaner that uses the timestamp of the hlog to determine if it should be deleted.
 

Enum Summary
AssignmentManager.RegionState.State  
 



Copyright © 2011 The Apache Software Foundation. All Rights Reserved.