Package org.apache.hadoop.hbase.master

package org.apache.hadoop.hbase.master

Related Packages

Package	Description
org.apache.hadoop.hbase

Class	Description
org.apache.hadoop.hbase.master.ActiveMasterManager	Handles everything on master-side related to master election.
org.apache.hadoop.hbase.master.AssignmentVerificationReport	Helper class that is used by RegionPlacementMaintainer to print information for favored nodes
org.apache.hadoop.hbase.master.BooleanStateStore	Store a boolean state.
org.apache.hadoop.hbase.master.CachedClusterId	Caches the cluster ID of the cluster.
org.apache.hadoop.hbase.master.ClusterSchema	View and edit the current cluster schema.
org.apache.hadoop.hbase.master.ClusterSchemaService	Mixes in ClusterSchema and Service
org.apache.hadoop.hbase.master.ClusterStatusPublisher	Class to publish the cluster status to the client.
org.apache.hadoop.hbase.master.ClusterStatusPublisher.MulticastPublisher
org.apache.hadoop.hbase.master.ClusterStatusPublisher.Publisher
org.apache.hadoop.hbase.master.DeadServer	Class to hold dead servers list and utility querying dead server list.
org.apache.hadoop.hbase.master.DrainingServerTracker	Tracks the list of draining region servers via ZK.
org.apache.hadoop.hbase.master.HMaster	HMaster is the "master server" for HBase.
org.apache.hadoop.hbase.master.HMaster.TableDescriptorGetter	Implement to return TableDescriptor after pre-checks
org.apache.hadoop.hbase.master.HMasterCommandLine
org.apache.hadoop.hbase.master.HMasterCommandLine.LocalHMaster
org.apache.hadoop.hbase.master.LoadBalancer	Makes decisions about the placement and movement of Regions across RegionServers.
org.apache.hadoop.hbase.master.MasterAnnotationReadingPriorityFunction	Priority function specifically for the master.
org.apache.hadoop.hbase.master.MasterCoprocessorHost	Provides the coprocessor framework and environment for master oriented operations.
org.apache.hadoop.hbase.master.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.
org.apache.hadoop.hbase.master.MasterRegionServerList	MasterRegion based RegionServerList.
org.apache.hadoop.hbase.master.MasterRpcServices	Implements the master RPC services.
org.apache.hadoop.hbase.master.MasterRpcServicesVersionWrapper	A wrapper class for MasterRpcServices shortcut that ensures a client version is available to the callee without a current RPC call.
org.apache.hadoop.hbase.master.MasterRpcServicesVersionWrapper.ServiceCallFunction<Req,Resp>
org.apache.hadoop.hbase.master.MasterServices	A curated subset of services provided by HMaster.
org.apache.hadoop.hbase.master.MasterStateStore	A state storage which stores the state in master local region.
org.apache.hadoop.hbase.master.MasterWalManager	This class abstracts a bunch of operations the HMaster needs when splitting log files e.g.
org.apache.hadoop.hbase.master.MetricsAssignmentManager
org.apache.hadoop.hbase.master.MetricsAssignmentManagerSource
org.apache.hadoop.hbase.master.MetricsAssignmentManagerSourceImpl
org.apache.hadoop.hbase.master.MetricsMaster	This class is for maintaining the various master statistics and publishing them through the metrics interfaces.
org.apache.hadoop.hbase.master.MetricsMasterFileSystem
org.apache.hadoop.hbase.master.MetricsMasterFileSystemSource
org.apache.hadoop.hbase.master.MetricsMasterFilesystemSourceImpl
org.apache.hadoop.hbase.master.MetricsMasterProcSource	Interface that classes that expose metrics about the master will implement.
org.apache.hadoop.hbase.master.MetricsMasterProcSourceFactory	Interface of a factory to create MetricsMasterSource when given a MetricsMasterWrapper
org.apache.hadoop.hbase.master.MetricsMasterProcSourceFactoryImpl	Factory to create MetricsMasterProcSource when given a MetricsMasterWrapper
org.apache.hadoop.hbase.master.MetricsMasterProcSourceImpl	Hadoop2 implementation of MetricsMasterSource.
org.apache.hadoop.hbase.master.MetricsMasterQuotaSource	A collection of exposed metrics for space quotas from the HBase Master.
org.apache.hadoop.hbase.master.MetricsMasterQuotaSourceFactory	Interface of a factory to create MetricsMasterQuotaSource when given a MetricsMasterWrapper.
org.apache.hadoop.hbase.master.MetricsMasterQuotaSourceFactoryImpl	Factory to create MetricsMasterQuotaSource instances when given a MetricsMasterWrapper.
org.apache.hadoop.hbase.master.MetricsMasterQuotaSourceImpl	Implementation of MetricsMasterQuotaSource which writes the values passed in via the interface to the metrics backend.
org.apache.hadoop.hbase.master.MetricsMasterSource	Interface that classes that expose metrics about the master will implement.
org.apache.hadoop.hbase.master.MetricsMasterSourceFactory	Interface of a factory to create MetricsMasterSource when given a MetricsMasterWrapper
org.apache.hadoop.hbase.master.MetricsMasterSourceFactoryImpl	Factory to create MetricsMasterSource when given a MetricsMasterWrapper
org.apache.hadoop.hbase.master.MetricsMasterSourceImpl	Hadoop2 implementation of MetricsMasterSource.
org.apache.hadoop.hbase.master.MetricsMasterWrapper	This is the interface that will expose information to hadoop1/hadoop2 implementations of the MetricsMasterSource.
org.apache.hadoop.hbase.master.MetricsMasterWrapperImpl	Impl for exposing HMaster Information through JMX
org.apache.hadoop.hbase.master.MetricsSnapshot
org.apache.hadoop.hbase.master.MetricsSnapshotSource
org.apache.hadoop.hbase.master.MetricsSnapshotSourceImpl
org.apache.hadoop.hbase.master.NoSuchProcedureException
org.apache.hadoop.hbase.master.OldWALsDirSizeChore	This chore is used to update the 'oldWALsDirSize' variable in MasterWalManager through the MasterWalManager.updateOldWALsDirSize() method.
org.apache.hadoop.hbase.master.RackManager	Wrapper over the rack resolution utility in Hadoop.
org.apache.hadoop.hbase.master.RegionPlacementMaintainer	A tool that is used for manipulating and viewing favored nodes information for regions.
org.apache.hadoop.hbase.master.RegionPlacementMaintainer.RandomizedMatrix	Some algorithms for solving the assignment problem may traverse workers or jobs in linear order which may result in skewing the assignments of the first jobs in the matrix toward the last workers in the matrix if the costs are uniform.
org.apache.hadoop.hbase.master.RegionPlan	Stores the plan for the move of an individual region.
org.apache.hadoop.hbase.master.RegionPlan.RegionPlanComparator
org.apache.hadoop.hbase.master.RegionServerList	For storing the region server list.
org.apache.hadoop.hbase.master.RegionServerTracker	Tracks the online region servers via ZK.
org.apache.hadoop.hbase.master.RegionsRecoveryChore	This chore, every time it runs, will try to recover regions with high store ref count by reopening them
org.apache.hadoop.hbase.master.RegionsRecoveryConfigManager	Config manager for RegionsRecovery Chore - Dynamically reload config and update chore accordingly
org.apache.hadoop.hbase.master.RegionState	State of a Region while undergoing transitions.
org.apache.hadoop.hbase.master.RegionState.State
org.apache.hadoop.hbase.master.ServerListener	Get notification of server registration events.
org.apache.hadoop.hbase.master.ServerManager	The ServerManager class manages info about region servers.
org.apache.hadoop.hbase.master.ServerManager.ServerLiveState
org.apache.hadoop.hbase.master.SnapshotOfRegionAssignmentFromMeta	Used internally for reading meta and constructing datastructures that are then queried, for things like regions to regionservers, table to regions, etc.
org.apache.hadoop.hbase.master.SnapshotSentinel	Watch the current snapshot under process
org.apache.hadoop.hbase.master.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.
org.apache.hadoop.hbase.master.SplitLogManager.ResubmitDirective
org.apache.hadoop.hbase.master.SplitLogManager.Task	in memory state of an active task.
org.apache.hadoop.hbase.master.SplitLogManager.TaskBatch	Keeps track of the batch of tasks submitted together by a caller in splitLogDistributed().
org.apache.hadoop.hbase.master.SplitLogManager.TerminationStatus
org.apache.hadoop.hbase.master.SplitOrMergeStateStore	Tracks the switch of split and merge states.
org.apache.hadoop.hbase.master.SplitWALManager	Create SplitWALProcedure for each WAL which need to split.
org.apache.hadoop.hbase.master.TableNamespaceManager	This is a helper class used internally to manage the namespace metadata that is stored in the ns family in meta table.
org.apache.hadoop.hbase.master.TableStateManager	This is a helper class used to manage table states.
org.apache.hadoop.hbase.master.WorkerAssigner	help assign and release a worker for each remote task.