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| <td class="colFirst"><a href="../../../../../org/apache/hadoop/hbase/master/ClusterSchema.html" title="interface in org.apache.hadoop.hbase.master">ClusterSchema</a></td> |
| <td class="colLast"> |
| <div class="block">View and edit the current cluster schema.</div> |
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| <td class="colFirst"><a href="../../../../../org/apache/hadoop/hbase/master/ClusterSchemaService.html" title="interface in org.apache.hadoop.hbase.master">ClusterSchemaService</a></td> |
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| <div class="block">Mixes in ClusterSchema and Service</div> |
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| <td class="colFirst"><a href="../../../../../org/apache/hadoop/hbase/master/ClusterStatusPublisher.Publisher.html" title="interface in org.apache.hadoop.hbase.master">ClusterStatusPublisher.Publisher</a></td> |
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| <td class="colFirst"><a href="../../../../../org/apache/hadoop/hbase/master/HMaster.TableDescriptorGetter.html" title="interface in org.apache.hadoop.hbase.master">HMaster.TableDescriptorGetter</a></td> |
| <td class="colLast"> |
| <div class="block">Implement to return TableDescriptor after pre-checks</div> |
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| <td class="colFirst"><a href="../../../../../org/apache/hadoop/hbase/master/LoadBalancer.html" title="interface in org.apache.hadoop.hbase.master">LoadBalancer</a></td> |
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| <div class="block">Makes decisions about the placement and movement of Regions across RegionServers.</div> |
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| <td class="colFirst"><a href="../../../../../org/apache/hadoop/hbase/master/MasterRpcServicesVersionWrapper.ServiceCallFunction.html" title="interface in org.apache.hadoop.hbase.master">MasterRpcServicesVersionWrapper.ServiceCallFunction</a><Req,Resp></td> |
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| <td class="colFirst"><a href="../../../../../org/apache/hadoop/hbase/master/MasterServices.html" title="interface in org.apache.hadoop.hbase.master">MasterServices</a></td> |
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| <td class="colFirst"><a href="../../../../../org/apache/hadoop/hbase/master/MetricsAssignmentManagerSource.html" title="interface in org.apache.hadoop.hbase.master">MetricsAssignmentManagerSource</a></td> |
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| <td class="colFirst"><a href="../../../../../org/apache/hadoop/hbase/master/MetricsMasterFileSystemSource.html" title="interface in org.apache.hadoop.hbase.master">MetricsMasterFileSystemSource</a></td> |
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| <td class="colFirst"><a href="../../../../../org/apache/hadoop/hbase/master/MetricsMasterProcSource.html" title="interface in org.apache.hadoop.hbase.master">MetricsMasterProcSource</a></td> |
| <td class="colLast"> |
| <div class="block">Interface that classes that expose metrics about the master will implement.</div> |
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| <td class="colFirst"><a href="../../../../../org/apache/hadoop/hbase/master/MetricsMasterProcSourceFactory.html" title="interface in org.apache.hadoop.hbase.master">MetricsMasterProcSourceFactory</a></td> |
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| <div class="block">Interface of a factory to create MetricsMasterSource when given a MetricsMasterWrapper</div> |
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| <td class="colFirst"><a href="../../../../../org/apache/hadoop/hbase/master/MetricsMasterQuotaSource.html" title="interface in org.apache.hadoop.hbase.master">MetricsMasterQuotaSource</a></td> |
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| <div class="block">A collection of exposed metrics for space quotas from the HBase Master.</div> |
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| <td class="colFirst"><a href="../../../../../org/apache/hadoop/hbase/master/MetricsMasterQuotaSourceFactory.html" title="interface in org.apache.hadoop.hbase.master">MetricsMasterQuotaSourceFactory</a></td> |
| <td class="colLast"> |
| <div class="block">Interface of a factory to create MetricsMasterQuotaSource when given a MetricsMasterWrapper.</div> |
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| <td class="colFirst"><a href="../../../../../org/apache/hadoop/hbase/master/MetricsMasterSource.html" title="interface in org.apache.hadoop.hbase.master">MetricsMasterSource</a></td> |
| <td class="colLast"> |
| <div class="block">Interface that classes that expose metrics about the master will implement.</div> |
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| <td class="colFirst"><a href="../../../../../org/apache/hadoop/hbase/master/MetricsMasterSourceFactory.html" title="interface in org.apache.hadoop.hbase.master">MetricsMasterSourceFactory</a></td> |
| <td class="colLast"> |
| <div class="block">Interface of a factory to create MetricsMasterSource when given a MetricsMasterWrapper</div> |
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| <td class="colFirst"><a href="../../../../../org/apache/hadoop/hbase/master/MetricsMasterWrapper.html" title="interface in org.apache.hadoop.hbase.master">MetricsMasterWrapper</a></td> |
| <td class="colLast"> |
| <div class="block">This is the interface that will expose information to hadoop1/hadoop2 implementations of the |
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| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><a href="../../../../../org/apache/hadoop/hbase/master/MetricsSnapshotSource.html" title="interface in org.apache.hadoop.hbase.master">MetricsSnapshotSource</a></td> |
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| <td class="colFirst"><a href="../../../../../org/apache/hadoop/hbase/master/ServerListener.html" title="interface in org.apache.hadoop.hbase.master">ServerListener</a></td> |
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| <div class="block">Get notification of server registration events.</div> |
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| <td class="colFirst"><a href="../../../../../org/apache/hadoop/hbase/master/SnapshotSentinel.html" title="interface in org.apache.hadoop.hbase.master">SnapshotSentinel</a></td> |
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| <th class="colFirst" scope="col">Class</th> |
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| <td class="colFirst"><a href="../../../../../org/apache/hadoop/hbase/master/ActiveMasterManager.html" title="class in org.apache.hadoop.hbase.master">ActiveMasterManager</a></td> |
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| <div class="block">Handles everything on master-side related to master election.</div> |
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| <td class="colFirst"><a href="../../../../../org/apache/hadoop/hbase/master/AssignmentVerificationReport.html" title="class in org.apache.hadoop.hbase.master">AssignmentVerificationReport</a></td> |
| <td class="colLast"> |
| <div class="block">Helper class that is used by RegionPlacementMaintainer to print |
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| <td class="colFirst"><a href="../../../../../org/apache/hadoop/hbase/master/CachedClusterId.html" title="class in org.apache.hadoop.hbase.master">CachedClusterId</a></td> |
| <td class="colLast"> |
| <div class="block">Caches the cluster ID of the cluster.</div> |
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| <td class="colFirst"><a href="../../../../../org/apache/hadoop/hbase/master/ClusterSchemaServiceImpl.html" title="class in org.apache.hadoop.hbase.master">ClusterSchemaServiceImpl</a></td> |
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| <td class="colFirst"><a href="../../../../../org/apache/hadoop/hbase/master/ClusterStatusPublisher.html" title="class in org.apache.hadoop.hbase.master">ClusterStatusPublisher</a></td> |
| <td class="colLast"> |
| <div class="block">Class to publish the cluster status to the client.</div> |
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| <td class="colFirst"><a href="../../../../../org/apache/hadoop/hbase/master/ClusterStatusPublisher.MulticastPublisher.html" title="class in org.apache.hadoop.hbase.master">ClusterStatusPublisher.MulticastPublisher</a></td> |
| <td class="colLast"> </td> |
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| <td class="colFirst"><a href="../../../../../org/apache/hadoop/hbase/master/ClusterStatusPublisher.MulticastPublisher.ClusterMetricsEncoder.html" title="class in org.apache.hadoop.hbase.master">ClusterStatusPublisher.MulticastPublisher.ClusterMetricsEncoder</a></td> |
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| <td class="colFirst"><a href="../../../../../org/apache/hadoop/hbase/master/ClusterStatusPublisher.MulticastPublisher.HBaseDatagramChannelFactory.html" title="class in org.apache.hadoop.hbase.master">ClusterStatusPublisher.MulticastPublisher.HBaseDatagramChannelFactory</a><T extends org.apache.hbase.thirdparty.io.netty.channel.Channel></td> |
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| <td class="colFirst"><a href="../../../../../org/apache/hadoop/hbase/master/DeadServer.html" title="class in org.apache.hadoop.hbase.master">DeadServer</a></td> |
| <td class="colLast"> |
| <div class="block">Class to hold dead servers list and utility querying dead server list.</div> |
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| <td class="colFirst"><a href="../../../../../org/apache/hadoop/hbase/master/DrainingServerTracker.html" title="class in org.apache.hadoop.hbase.master">DrainingServerTracker</a></td> |
| <td class="colLast"> |
| <div class="block">Tracks the list of draining region servers via ZK.</div> |
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| <td class="colFirst"><a href="../../../../../org/apache/hadoop/hbase/master/HbckChore.html" title="class in org.apache.hadoop.hbase.master">HbckChore</a></td> |
| <td class="colLast"> |
| <div class="block">Used to do the hbck checking job at master side.</div> |
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| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><a href="../../../../../org/apache/hadoop/hbase/master/HMaster.html" title="class in org.apache.hadoop.hbase.master">HMaster</a></td> |
| <td class="colLast"> |
| <div class="block">HMaster is the "master server" for HBase.</div> |
| </td> |
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| <tr class="altColor"> |
| <td class="colFirst"><a href="../../../../../org/apache/hadoop/hbase/master/HMasterCommandLine.html" title="class in org.apache.hadoop.hbase.master">HMasterCommandLine</a></td> |
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| <td class="colFirst"><a href="../../../../../org/apache/hadoop/hbase/master/HMasterCommandLine.LocalHMaster.html" title="class in org.apache.hadoop.hbase.master">HMasterCommandLine.LocalHMaster</a></td> |
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| <td class="colFirst"><a href="../../../../../org/apache/hadoop/hbase/master/MasterAnnotationReadingPriorityFunction.html" title="class in org.apache.hadoop.hbase.master">MasterAnnotationReadingPriorityFunction</a></td> |
| <td class="colLast"> |
| <div class="block">Priority function specifically for the master.</div> |
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| <tr class="rowColor"> |
| <td class="colFirst"><a href="../../../../../org/apache/hadoop/hbase/master/MasterCoprocessorHost.html" title="class in org.apache.hadoop.hbase.master">MasterCoprocessorHost</a></td> |
| <td class="colLast"> |
| <div class="block">Provides the coprocessor framework and environment for master oriented |
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| <tr class="altColor"> |
| <td class="colFirst"><a href="../../../../../org/apache/hadoop/hbase/master/MasterCoprocessorHost.MasterEnvironment.html" title="class in org.apache.hadoop.hbase.master">MasterCoprocessorHost.MasterEnvironment</a></td> |
| <td class="colLast"> |
| <div class="block">Coprocessor environment extension providing access to master related |
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| <tr class="rowColor"> |
| <td class="colFirst"><a href="../../../../../org/apache/hadoop/hbase/master/MasterCoprocessorHost.MasterEnvironmentForCoreCoprocessors.html" title="class in org.apache.hadoop.hbase.master">MasterCoprocessorHost.MasterEnvironmentForCoreCoprocessors</a></td> |
| <td class="colLast"> |
| <div class="block">Special version of MasterEnvironment that exposes MasterServices for Core Coprocessors only.</div> |
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| <tr class="rowColor"> |
| <td class="colFirst"><a href="../../../../../org/apache/hadoop/hbase/master/MasterFileSystem.html" title="class in org.apache.hadoop.hbase.master">MasterFileSystem</a></td> |
| <td class="colLast"> |
| <div class="block">This class abstracts a bunch of operations the HMaster needs to interact with |
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| <tr class="altColor"> |
| <td class="colFirst"><a href="../../../../../org/apache/hadoop/hbase/master/MasterInitializationMonitor.html" title="class in org.apache.hadoop.hbase.master">MasterInitializationMonitor</a></td> |
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| <div class="block">Protection against zombie master.</div> |
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| <tr class="rowColor"> |
| <td class="colFirst"><a href="../../../../../org/apache/hadoop/hbase/master/MasterRpcServices.html" title="class in org.apache.hadoop.hbase.master">MasterRpcServices</a></td> |
| <td class="colLast"> |
| <div class="block">Implements the master RPC services.</div> |
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| <td class="colFirst"><a href="../../../../../org/apache/hadoop/hbase/master/MasterRpcServicesVersionWrapper.html" title="class in org.apache.hadoop.hbase.master">MasterRpcServicesVersionWrapper</a></td> |
| <td class="colLast"> |
| <div class="block">A wrapper class for MasterRpcServices shortcut that ensures a client version is available |
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| <td class="colFirst"><a href="../../../../../org/apache/hadoop/hbase/master/MasterWalManager.html" title="class in org.apache.hadoop.hbase.master">MasterWalManager</a></td> |
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| <div class="block">This class abstracts a bunch of operations the HMaster needs |
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| <tr class="altColor"> |
| <td class="colFirst"><a href="../../../../../org/apache/hadoop/hbase/master/MetaRegionLocationCache.html" title="class in org.apache.hadoop.hbase.master">MetaRegionLocationCache</a></td> |
| <td class="colLast"> |
| <div class="block">A cache of meta region location metadata.</div> |
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| <td class="colFirst"><a href="../../../../../org/apache/hadoop/hbase/master/MetricsAssignmentManager.html" title="class in org.apache.hadoop.hbase.master">MetricsAssignmentManager</a></td> |
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| <td class="colFirst"><a href="../../../../../org/apache/hadoop/hbase/master/MetricsAssignmentManagerSourceImpl.html" title="class in org.apache.hadoop.hbase.master">MetricsAssignmentManagerSourceImpl</a></td> |
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| <td class="colFirst"><a href="../../../../../org/apache/hadoop/hbase/master/MetricsMaster.html" title="class in org.apache.hadoop.hbase.master">MetricsMaster</a></td> |
| <td class="colLast"> |
| <div class="block">This class is for maintaining the various master statistics |
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| <tr class="altColor"> |
| <td class="colFirst"><a href="../../../../../org/apache/hadoop/hbase/master/MetricsMasterFileSystem.html" title="class in org.apache.hadoop.hbase.master">MetricsMasterFileSystem</a></td> |
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| <td class="colFirst"><a href="../../../../../org/apache/hadoop/hbase/master/MetricsMasterFilesystemSourceImpl.html" title="class in org.apache.hadoop.hbase.master">MetricsMasterFilesystemSourceImpl</a></td> |
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| <td class="colFirst"><a href="../../../../../org/apache/hadoop/hbase/master/MetricsMasterProcSourceFactoryImpl.html" title="class in org.apache.hadoop.hbase.master">MetricsMasterProcSourceFactoryImpl</a></td> |
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| <div class="block">Factory to create MetricsMasterProcSource when given a MetricsMasterWrapper</div> |
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| <td class="colFirst"><a href="../../../../../org/apache/hadoop/hbase/master/MetricsMasterProcSourceImpl.html" title="class in org.apache.hadoop.hbase.master">MetricsMasterProcSourceImpl</a></td> |
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| <div class="block">Hadoop2 implementation of MetricsMasterSource.</div> |
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| <td class="colFirst"><a href="../../../../../org/apache/hadoop/hbase/master/MetricsMasterQuotaSourceFactoryImpl.html" title="class in org.apache.hadoop.hbase.master">MetricsMasterQuotaSourceFactoryImpl</a></td> |
| <td class="colLast"> |
| <div class="block">Factory to create MetricsMasterQuotaSource instances when given a MetricsMasterWrapper.</div> |
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| <tr class="rowColor"> |
| <td class="colFirst"><a href="../../../../../org/apache/hadoop/hbase/master/MetricsMasterQuotaSourceImpl.html" title="class in org.apache.hadoop.hbase.master">MetricsMasterQuotaSourceImpl</a></td> |
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| <td class="colFirst"><a href="../../../../../org/apache/hadoop/hbase/master/MetricsMasterSourceFactoryImpl.html" title="class in org.apache.hadoop.hbase.master">MetricsMasterSourceFactoryImpl</a></td> |
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| <div class="block">Factory to create MetricsMasterSource when given a MetricsMasterWrapper</div> |
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| <tr class="rowColor"> |
| <td class="colFirst"><a href="../../../../../org/apache/hadoop/hbase/master/MetricsMasterSourceImpl.html" title="class in org.apache.hadoop.hbase.master">MetricsMasterSourceImpl</a></td> |
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| <div class="block">Hadoop2 implementation of MetricsMasterSource.</div> |
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| <tr class="altColor"> |
| <td class="colFirst"><a href="../../../../../org/apache/hadoop/hbase/master/MetricsMasterWrapperImpl.html" title="class in org.apache.hadoop.hbase.master">MetricsMasterWrapperImpl</a></td> |
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| <div class="block">Impl for exposing HMaster Information through JMX</div> |
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| <tr class="rowColor"> |
| <td class="colFirst"><a href="../../../../../org/apache/hadoop/hbase/master/MetricsSnapshot.html" title="class in org.apache.hadoop.hbase.master">MetricsSnapshot</a></td> |
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| <td class="colFirst"><a href="../../../../../org/apache/hadoop/hbase/master/MetricsSnapshotSourceImpl.html" title="class in org.apache.hadoop.hbase.master">MetricsSnapshotSourceImpl</a></td> |
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| <td class="colFirst"><a href="../../../../../org/apache/hadoop/hbase/master/RackManager.html" title="class in org.apache.hadoop.hbase.master">RackManager</a></td> |
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| <td class="colFirst"><a href="../../../../../org/apache/hadoop/hbase/master/RegionPlacementMaintainer.html" title="class in org.apache.hadoop.hbase.master">RegionPlacementMaintainer</a></td> |
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| <div class="block">A tool that is used for manipulating and viewing favored nodes information |
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| <div class="block">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.</div> |
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| <td class="colFirst"><a href="../../../../../org/apache/hadoop/hbase/master/RegionState.html" title="class in org.apache.hadoop.hbase.master">RegionState</a></td> |
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| <td class="colFirst"><a href="../../../../../org/apache/hadoop/hbase/master/ServerManager.html" title="class in org.apache.hadoop.hbase.master">ServerManager</a></td> |
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| <td class="colFirst"><a href="../../../../../org/apache/hadoop/hbase/master/SnapshotOfRegionAssignmentFromMeta.html" title="class in org.apache.hadoop.hbase.master">SnapshotOfRegionAssignmentFromMeta</a></td> |
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| <div class="block">Used internally for reading meta and constructing datastructures that are |
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| <td class="colFirst"><a href="../../../../../org/apache/hadoop/hbase/master/SplitLogManager.html" title="class in org.apache.hadoop.hbase.master">SplitLogManager</a></td> |
| <td class="colLast">Deprecated |
| <div class="block"><span class="deprecationComment">since 2.4.0 and in 3.0.0, to be removed in 4.0.0, replaced by procedure-based |
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| <div class="block">help assign and release a worker for each WAL splitting task |
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