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Interface Summary | |
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LoadBalancer | Makes decisions about the placement and movement of Regions across RegionServers. |
MasterServices | Services Master supplies |
MXBean | This is the JMX management interface for Hbase master information |
MXBean.RegionsInTransitionInfo | Required for MXBean implementation |
SnapshotSentinel | Watch the current snapshot under process |
SplitLogManager.TaskFinisher | SplitLogManager can use objects implementing this interface to
finish off a partially done task by SplitLogWorker . |
Class Summary | |
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ActiveMasterManager | Handles everything on master-side related to master election. |
AssignCallable | A callable object that invokes the corresponding action that needs to be taken for assignment of a region in transition. |
AssignmentManager | Manages and performs region assignment. |
AssignmentManager.RegionState | State of a Region while undergoing transitions. |
BulkAssigner | Base class used bulk assigning and unassigning regions. |
BulkReOpen | Performs bulk reopen of the list of regions provided to it. |
DeadServer | Class to hold dead servers list and utility querying dead server list. |
DefaultLoadBalancer | Makes decisions about the placement and movement of Regions across RegionServers. |
HMaster | HMaster is the "master server" for HBase. |
HMasterCommandLine | |
HMasterCommandLine.LocalHMaster | |
LoadBalancerFactory | The class that creates a load balancer from a conf. |
MasterCoprocessorHost | Provides the coprocessor framework and environment for master oriented operations. |
MasterDumpServlet | |
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. |
MasterStatusServlet | The servlet responsible for rendering the index page of the master. |
MXBeanImpl | Impl for exposing HMaster Information through JMX |
RegionPlan | Stores the plan for the move of an individual region. |
ServerManager | The ServerManager class manages info about region servers. |
SplitLogManager | Distributes the task of log splitting to the available region servers. |
UnAssignCallable | A callable object that invokes the corresponding action that needs to be taken for unassignment of a region in transition. |
Enum Summary | |
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AssignmentManager.RegionState.State | |
SplitLogManager.TaskFinisher.Status | status that can be returned finish() |
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