Uses of Package
org.apache.hadoop.hbase.master

Packages that use org.apache.hadoop.hbase.master

Package	Description
org.apache.hadoop.hbase
org.apache.hadoop.hbase.client	Provides HBase Client
org.apache.hadoop.hbase.coordination
org.apache.hadoop.hbase.coprocessor	Table of Contents
org.apache.hadoop.hbase.favored
org.apache.hadoop.hbase.master
org.apache.hadoop.hbase.master.assignment
org.apache.hadoop.hbase.master.balancer
org.apache.hadoop.hbase.master.janitor
org.apache.hadoop.hbase.master.locking
org.apache.hadoop.hbase.master.normalizer	The Region Normalizer subsystem is responsible for coaxing all the regions in a table toward a "normal" size, according to their storefile size.
org.apache.hadoop.hbase.master.procedure
org.apache.hadoop.hbase.master.replication
org.apache.hadoop.hbase.master.slowlog
org.apache.hadoop.hbase.master.snapshot
org.apache.hadoop.hbase.master.webapp
org.apache.hadoop.hbase.namespace
org.apache.hadoop.hbase.procedure
org.apache.hadoop.hbase.procedure.flush
org.apache.hadoop.hbase.quotas
org.apache.hadoop.hbase.rsgroup
org.apache.hadoop.hbase.security.access
org.apache.hadoop.hbase.util
org.apache.hadoop.hbase.zookeeper

Classes in org.apache.hadoop.hbase.master used by org.apache.hadoop.hbase

Class and Description
HMaster HMaster is the "master server" for HBase.
RegionState State of a Region while undergoing transitions.
RegionState.State

Classes in org.apache.hadoop.hbase.master used by org.apache.hadoop.hbase.client

Class and Description
RegionState State of a Region while undergoing transitions.
RegionState.State

Classes in org.apache.hadoop.hbase.master used by org.apache.hadoop.hbase.coordination

Class and Description
MasterServices A curated subset of services provided by HMaster.
SplitLogManager.ResubmitDirective Deprecated.
SplitLogManager.Task Deprecated. in memory state of an active task.
SplitLogManager.TerminationStatus Deprecated.

Classes in org.apache.hadoop.hbase.master used by org.apache.hadoop.hbase.coprocessor

Class and Description
MasterServices A curated subset of services provided by HMaster.
RegionPlan Stores the plan for the move of an individual region.

Classes in org.apache.hadoop.hbase.master used by org.apache.hadoop.hbase.favored

Class and Description
LoadBalancer Makes decisions about the placement and movement of Regions across RegionServers.
MasterServices A curated subset of services provided by HMaster.
RackManager Wrapper over the rack resolution utility in Hadoop.
RegionPlan Stores the plan for the move of an individual region.
SnapshotOfRegionAssignmentFromMeta Used internally for reading meta and constructing datastructures that are then queried, for things like regions to regionservers, table to regions, etc.

Classes in org.apache.hadoop.hbase.master used by org.apache.hadoop.hbase.master

Class and Description
ActiveMasterManager Handles everything on master-side related to master election.
AssignmentVerificationReport Helper class that is used by RegionPlacementMaintainer to print information for favored nodes
CachedClusterId Caches the cluster ID of the cluster.
ClusterSchema View and edit the current cluster schema.
ClusterSchemaService Mixes in ClusterSchema and Service
ClusterStatusPublisher Class to publish the cluster status to the client.
ClusterStatusPublisher.Publisher
DeadServer Class to hold dead servers list and utility querying dead server list.
DrainingServerTracker Tracks the list of draining region servers via ZK.
ExpiredMobFileCleanerChore The Class ExpiredMobFileCleanerChore for running cleaner regularly to remove the expired mob files.
HbckChore Used to do the hbck checking job at master side.
HMaster HMaster is the "master server" for HBase.
HMaster.TableDescriptorGetter Implement to return TableDescriptor after pre-checks
LoadBalancer Makes decisions about the placement and movement of Regions across RegionServers.
MasterCoprocessorHost Provides the coprocessor framework and environment for master oriented operations.
MasterCoprocessorHost.MasterEnvironment Coprocessor environment extension providing access to master related services.
MasterFileSystem This class abstracts a bunch of operations the HMaster needs to interact with the underlying file system like creating the initial layout, checking file system status, etc.
MasterMobCompactionThread The mob compaction thread used in MasterRpcServices
MasterRpcServices Implements the master RPC services.
MasterRpcServices.BalanceSwitchMode
MasterServices A curated subset of services provided by HMaster.
MasterWalManager This class abstracts a bunch of operations the HMaster needs when splitting log files e.g.
MetaRegionLocationCache A cache of meta region location metadata.
MetaRegionLocationCache.ZNodeOpType
MetricsAssignmentManagerSource
MetricsMaster This class is for maintaining the various master statistics and publishing them through the metrics interfaces.
MetricsMasterFileSystem
MetricsMasterFileSystemSource
MetricsMasterProcSource Interface that classes that expose metrics about the master will implement.
MetricsMasterProcSourceFactory Interface of a factory to create MetricsMasterSource when given a MetricsMasterWrapper
MetricsMasterQuotaSource A collection of exposed metrics for space quotas from the HBase Master.
MetricsMasterQuotaSourceFactory Interface of a factory to create MetricsMasterQuotaSource when given a MetricsMasterWrapper.
MetricsMasterSource Interface that classes that expose metrics about the master will implement.
MetricsMasterSourceFactory Interface of a factory to create MetricsMasterSource when given a MetricsMasterWrapper
MetricsMasterSourceFactoryImpl.FactoryStorage
MetricsMasterWrapper This is the interface that will expose information to hadoop1/hadoop2 implementations of the MetricsMasterSource.
MetricsSnapshotSource
MobCompactionChore The Class MobCompactChore for running compaction regularly to merge small mob files.
RackManager Wrapper over the rack resolution utility in Hadoop.
RegionPlan Stores the plan for the move of an individual region.
RegionServerTracker Tracks the online region servers via ZK.
RegionsRecoveryChore This chore, every time it runs, will try to recover regions with high store ref count by reopening them
RegionsRecoveryConfigManager Config manager for RegionsRecovery Chore - Dynamically reload config and update chore accordingly
RegionState State of a Region while undergoing transitions.
RegionState.State
ServerListener Get notification of server registration events.
ServerManager The ServerManager class manages info about region servers.
ServerManager.ServerLiveState
SnapshotOfRegionAssignmentFromMeta Used internally for reading meta and constructing datastructures that are then queried, for things like regions to regionservers, table to regions, etc.
SplitLogManager Deprecated. since 2.4.0 and in 3.0.0, to be removed in 4.0.0, replaced by procedure-based distributed WAL splitter, see SplitWALManager.
SplitLogManager.ResubmitDirective Deprecated.
SplitLogManager.Task Deprecated. in memory state of an active task.
SplitLogManager.TaskBatch Deprecated. Keeps track of the batch of tasks submitted together by a caller in splitLogDistributed().
SplitLogManager.TerminationStatus Deprecated.
SplitLogManager.TimeoutMonitor Deprecated. Periodically checks all active tasks and resubmits the ones that have timed out
SplitOrMergeTracker Tracks the switch of split and merge states in ZK
SplitOrMergeTracker.SwitchStateTracker
SplitWALManager Create SplitWALProcedure for each WAL which need to split.
SplitWALManager.SplitWorkerAssigner help assign and release a worker for each WAL splitting task For each worker, concurrent running splitting task should be no more than maxSplitTasks If a task failed to acquire a worker, it will suspend and wait for workers available
TableNamespaceManager This is a helper class used internally to manage the namespace metadata that is stored in TableName.NAMESPACE_TABLE_NAME.
TableStateManager This is a helper class used to manage table states.

Classes in org.apache.hadoop.hbase.master used by org.apache.hadoop.hbase.master.assignment

Class and Description
LoadBalancer Makes decisions about the placement and movement of Regions across RegionServers.
MasterServices A curated subset of services provided by HMaster.
MetricsAssignmentManager
RegionPlan Stores the plan for the move of an individual region.
RegionState State of a Region while undergoing transitions.
RegionState.State
TableStateManager This is a helper class used to manage table states.

Classes in org.apache.hadoop.hbase.master used by org.apache.hadoop.hbase.master.balancer

Class and Description
HMaster HMaster is the "master server" for HBase.
LoadBalancer Makes decisions about the placement and movement of Regions across RegionServers.
MasterServices A curated subset of services provided by HMaster.
RackManager Wrapper over the rack resolution utility in Hadoop.
RegionPlan Stores the plan for the move of an individual region.
RegionPlan.RegionPlanComparator

Classes in org.apache.hadoop.hbase.master used by org.apache.hadoop.hbase.master.janitor

Class and Description
MasterServices A curated subset of services provided by HMaster.

Classes in org.apache.hadoop.hbase.master used by org.apache.hadoop.hbase.master.locking

Class and Description
HMaster HMaster is the "master server" for HBase.

Classes in org.apache.hadoop.hbase.master used by org.apache.hadoop.hbase.master.normalizer

Class and Description
HMaster HMaster is the "master server" for HBase.
MasterServices A curated subset of services provided by HMaster.
RegionState State of a Region while undergoing transitions.

Classes in org.apache.hadoop.hbase.master used by org.apache.hadoop.hbase.master.procedure

Class and Description
MasterCoprocessorHost Provides the coprocessor framework and environment for master oriented operations.
MasterFileSystem This class abstracts a bunch of operations the HMaster needs to interact with the underlying file system like creating the initial layout, checking file system status, etc.
MasterServices A curated subset of services provided by HMaster.
ServerListener Get notification of server registration events.
TableNamespaceManager This is a helper class used internally to manage the namespace metadata that is stored in TableName.NAMESPACE_TABLE_NAME.

Classes in org.apache.hadoop.hbase.master used by org.apache.hadoop.hbase.master.replication

Class and Description
TableStateManager This is a helper class used to manage table states.

Classes in org.apache.hadoop.hbase.master used by org.apache.hadoop.hbase.master.slowlog

Class and Description
MasterServices A curated subset of services provided by HMaster.

Classes in org.apache.hadoop.hbase.master used by org.apache.hadoop.hbase.master.snapshot

Class and Description
MasterFileSystem This class abstracts a bunch of operations the HMaster needs to interact with the underlying file system like creating the initial layout, checking file system status, etc.
MasterServices A curated subset of services provided by HMaster.
MetricsMaster This class is for maintaining the various master statistics and publishing them through the metrics interfaces.
MetricsSnapshot
SnapshotSentinel Watch the current snapshot under process

Classes in org.apache.hadoop.hbase.master used by org.apache.hadoop.hbase.master.webapp

Class and Description
RegionState.State

Classes in org.apache.hadoop.hbase.master used by org.apache.hadoop.hbase.namespace

Class and Description
MasterServices A curated subset of services provided by HMaster.

Classes in org.apache.hadoop.hbase.master used by org.apache.hadoop.hbase.procedure

Class and Description
MasterServices A curated subset of services provided by HMaster.
MetricsMaster This class is for maintaining the various master statistics and publishing them through the metrics interfaces.

Classes in org.apache.hadoop.hbase.master used by org.apache.hadoop.hbase.procedure.flush

Class and Description
MasterServices A curated subset of services provided by HMaster.
MetricsMaster This class is for maintaining the various master statistics and publishing them through the metrics interfaces.

Classes in org.apache.hadoop.hbase.master used by org.apache.hadoop.hbase.quotas

Class and Description
HMaster HMaster is the "master server" for HBase.
MasterServices A curated subset of services provided by HMaster.
MetricsMaster This class is for maintaining the various master statistics and publishing them through the metrics interfaces.

Classes in org.apache.hadoop.hbase.master used by org.apache.hadoop.hbase.rsgroup

Class and Description
LoadBalancer Makes decisions about the placement and movement of Regions across RegionServers.
MasterServices A curated subset of services provided by HMaster.
RegionPlan Stores the plan for the move of an individual region.
RegionState State of a Region while undergoing transitions.
ServerListener Get notification of server registration events.
TableStateManager This is a helper class used to manage table states.

Classes in org.apache.hadoop.hbase.master used by org.apache.hadoop.hbase.security.access

Class and Description
HMaster HMaster is the "master server" for HBase.
MasterServices A curated subset of services provided by HMaster.

Classes in org.apache.hadoop.hbase.master used by org.apache.hadoop.hbase.util

Class and Description
HMaster HMaster is the "master server" for HBase.
MasterServices A curated subset of services provided by HMaster.

Classes in org.apache.hadoop.hbase.master used by org.apache.hadoop.hbase.zookeeper

Class and Description
RegionState State of a Region while undergoing transitions.
RegionState.State