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| <h1 title="Uses of Package org.apache.hadoop.hbase.master" class="title">Uses of Package<br>org.apache.hadoop.hbase.master</h1> |
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| <caption><span>Packages that use <a href="../../../../../org/apache/hadoop/hbase/master/package-summary.html">org.apache.hadoop.hbase.master</a></span><span class="tabEnd"> </span></caption> |
| <tr> |
| <th class="colFirst" scope="col">Package</th> |
| <th class="colLast" scope="col">Description</th> |
| </tr> |
| <tbody> |
| <tr class="altColor"> |
| <td class="colFirst"><a href="#org.apache.hadoop.hbase">org.apache.hadoop.hbase</a></td> |
| <td class="colLast"> </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><a href="#org.apache.hadoop.hbase.backup.master">org.apache.hadoop.hbase.backup.master</a></td> |
| <td class="colLast"> </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><a href="#org.apache.hadoop.hbase.client">org.apache.hadoop.hbase.client</a></td> |
| <td class="colLast"> |
| <div class="block">Provides HBase Client</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><a href="#org.apache.hadoop.hbase.coordination">org.apache.hadoop.hbase.coordination</a></td> |
| <td class="colLast"> </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><a href="#org.apache.hadoop.hbase.coprocessor">org.apache.hadoop.hbase.coprocessor</a></td> |
| <td class="colLast"> |
| <div class="block">Table of Contents</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><a href="#org.apache.hadoop.hbase.favored">org.apache.hadoop.hbase.favored</a></td> |
| <td class="colLast"> </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><a href="#org.apache.hadoop.hbase.master">org.apache.hadoop.hbase.master</a></td> |
| <td class="colLast"> </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><a href="#org.apache.hadoop.hbase.master.assignment">org.apache.hadoop.hbase.master.assignment</a></td> |
| <td class="colLast"> </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><a href="#org.apache.hadoop.hbase.master.balancer">org.apache.hadoop.hbase.master.balancer</a></td> |
| <td class="colLast"> </td> |
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| <td class="colFirst"><a href="#org.apache.hadoop.hbase.master.http">org.apache.hadoop.hbase.master.http</a></td> |
| <td class="colLast"> </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><a href="#org.apache.hadoop.hbase.master.janitor">org.apache.hadoop.hbase.master.janitor</a></td> |
| <td class="colLast"> </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><a href="#org.apache.hadoop.hbase.master.locking">org.apache.hadoop.hbase.master.locking</a></td> |
| <td class="colLast"> </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><a href="#org.apache.hadoop.hbase.master.normalizer">org.apache.hadoop.hbase.master.normalizer</a></td> |
| <td class="colLast"> |
| <div class="block">The Region Normalizer subsystem is responsible for coaxing all the regions in a table toward |
| a "normal" size, according to their storefile size.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><a href="#org.apache.hadoop.hbase.master.procedure">org.apache.hadoop.hbase.master.procedure</a></td> |
| <td class="colLast"> </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><a href="#org.apache.hadoop.hbase.master.replication">org.apache.hadoop.hbase.master.replication</a></td> |
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| <td class="colFirst"><a href="#org.apache.hadoop.hbase.master.slowlog">org.apache.hadoop.hbase.master.slowlog</a></td> |
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| <td class="colFirst"><a href="#org.apache.hadoop.hbase.master.snapshot">org.apache.hadoop.hbase.master.snapshot</a></td> |
| <td class="colLast"> </td> |
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| <td class="colFirst"><a href="#org.apache.hadoop.hbase.mob">org.apache.hadoop.hbase.mob</a></td> |
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| <td class="colFirst"><a href="#org.apache.hadoop.hbase.namespace">org.apache.hadoop.hbase.namespace</a></td> |
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| <td class="colFirst"><a href="#org.apache.hadoop.hbase.procedure">org.apache.hadoop.hbase.procedure</a></td> |
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| <td class="colFirst"><a href="#org.apache.hadoop.hbase.procedure.flush">org.apache.hadoop.hbase.procedure.flush</a></td> |
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| <td class="colFirst"><a href="#org.apache.hadoop.hbase.quotas">org.apache.hadoop.hbase.quotas</a></td> |
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| <td class="colFirst"><a href="#org.apache.hadoop.hbase.replication">org.apache.hadoop.hbase.replication</a></td> |
| <td class="colLast"> |
| <div class="block">Multi Cluster Replication</div> |
| </td> |
| </tr> |
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| <td class="colFirst"><a href="#org.apache.hadoop.hbase.rsgroup">org.apache.hadoop.hbase.rsgroup</a></td> |
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| <td class="colFirst"><a href="#org.apache.hadoop.hbase.security.access">org.apache.hadoop.hbase.security.access</a></td> |
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| <td class="colFirst"><a href="#org.apache.hadoop.hbase.util">org.apache.hadoop.hbase.util</a></td> |
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| <td class="colFirst"><a href="#org.apache.hadoop.hbase.zookeeper">org.apache.hadoop.hbase.zookeeper</a></td> |
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| <tr> |
| <th class="colOne" scope="col">Class and Description</th> |
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| <tbody> |
| <tr class="altColor"> |
| <td class="colOne"><a href="../../../../../org/apache/hadoop/hbase/master/class-use/HMaster.html#org.apache.hadoop.hbase">HMaster</a> |
| <div class="block">HMaster is the "master server" for HBase.</div> |
| </td> |
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| <tr class="rowColor"> |
| <td class="colOne"><a href="../../../../../org/apache/hadoop/hbase/master/class-use/RegionState.html#org.apache.hadoop.hbase">RegionState</a> |
| <div class="block">State of a Region while undergoing transitions.</div> |
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| <td class="colOne"><a href="../../../../../org/apache/hadoop/hbase/master/class-use/RegionState.State.html#org.apache.hadoop.hbase">RegionState.State</a> </td> |
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| <tr> |
| <th class="colOne" scope="col">Class and Description</th> |
| </tr> |
| <tbody> |
| <tr class="altColor"> |
| <td class="colOne"><a href="../../../../../org/apache/hadoop/hbase/master/class-use/MasterServices.html#org.apache.hadoop.hbase.backup.master">MasterServices</a> |
| <div class="block">A curated subset of services provided by <a href="../../../../../org/apache/hadoop/hbase/master/HMaster.html" title="class in org.apache.hadoop.hbase.master"><code>HMaster</code></a>.</div> |
| </td> |
| </tr> |
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| <td class="colOne"><a href="../../../../../org/apache/hadoop/hbase/master/class-use/MetricsMaster.html#org.apache.hadoop.hbase.backup.master">MetricsMaster</a> |
| <div class="block">This class is for maintaining the various master statistics |
| and publishing them through the metrics interfaces.</div> |
| </td> |
| </tr> |
| </tbody> |
| </table> |
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| <td class="colOne"><a href="../../../../../org/apache/hadoop/hbase/master/class-use/RegionState.html#org.apache.hadoop.hbase.client">RegionState</a> |
| <div class="block">State of a Region while undergoing transitions.</div> |
| </td> |
| </tr> |
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| <td class="colOne"><a href="../../../../../org/apache/hadoop/hbase/master/class-use/RegionState.State.html#org.apache.hadoop.hbase.client">RegionState.State</a> </td> |
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| <tr> |
| <th class="colOne" scope="col">Class and Description</th> |
| </tr> |
| <tbody> |
| <tr class="altColor"> |
| <td class="colOne"><a href="../../../../../org/apache/hadoop/hbase/master/class-use/MasterServices.html#org.apache.hadoop.hbase.coordination">MasterServices</a> |
| <div class="block">A curated subset of services provided by <a href="../../../../../org/apache/hadoop/hbase/master/HMaster.html" title="class in org.apache.hadoop.hbase.master"><code>HMaster</code></a>.</div> |
| </td> |
| </tr> |
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| <td class="colOne"><a href="../../../../../org/apache/hadoop/hbase/master/class-use/SplitLogManager.ResubmitDirective.html#org.apache.hadoop.hbase.coordination">SplitLogManager.ResubmitDirective</a> |
| <div class="block"><span class="deprecatedLabel">Deprecated.</span> </div> |
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| <td class="colOne"><a href="../../../../../org/apache/hadoop/hbase/master/class-use/SplitLogManager.Task.html#org.apache.hadoop.hbase.coordination">SplitLogManager.Task</a> |
| <div class="block"><span class="deprecatedLabel">Deprecated.</span> </div> |
| <div class="block">in memory state of an active task.</div> |
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| <td class="colOne"><a href="../../../../../org/apache/hadoop/hbase/master/class-use/SplitLogManager.TerminationStatus.html#org.apache.hadoop.hbase.coordination">SplitLogManager.TerminationStatus</a> |
| <div class="block"><span class="deprecatedLabel">Deprecated.</span> </div> |
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| </a> |
| <table class="useSummary" border="0" cellpadding="3" cellspacing="0" summary="Use table, listing classes, and an explanation"> |
| <caption><span>Classes in <a href="../../../../../org/apache/hadoop/hbase/master/package-summary.html">org.apache.hadoop.hbase.master</a> used by <a href="../../../../../org/apache/hadoop/hbase/coprocessor/package-summary.html">org.apache.hadoop.hbase.coprocessor</a></span><span class="tabEnd"> </span></caption> |
| <tr> |
| <th class="colOne" scope="col">Class and Description</th> |
| </tr> |
| <tbody> |
| <tr class="altColor"> |
| <td class="colOne"><a href="../../../../../org/apache/hadoop/hbase/master/class-use/MasterServices.html#org.apache.hadoop.hbase.coprocessor">MasterServices</a> |
| <div class="block">A curated subset of services provided by <a href="../../../../../org/apache/hadoop/hbase/master/HMaster.html" title="class in org.apache.hadoop.hbase.master"><code>HMaster</code></a>.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colOne"><a href="../../../../../org/apache/hadoop/hbase/master/class-use/RegionPlan.html#org.apache.hadoop.hbase.coprocessor">RegionPlan</a> |
| <div class="block">Stores the plan for the move of an individual region.</div> |
| </td> |
| </tr> |
| </tbody> |
| </table> |
| </li> |
| <li class="blockList"><a name="org.apache.hadoop.hbase.favored"> |
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| <caption><span>Classes in <a href="../../../../../org/apache/hadoop/hbase/master/package-summary.html">org.apache.hadoop.hbase.master</a> used by <a href="../../../../../org/apache/hadoop/hbase/favored/package-summary.html">org.apache.hadoop.hbase.favored</a></span><span class="tabEnd"> </span></caption> |
| <tr> |
| <th class="colOne" scope="col">Class and Description</th> |
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| <tr class="altColor"> |
| <td class="colOne"><a href="../../../../../org/apache/hadoop/hbase/master/class-use/LoadBalancer.html#org.apache.hadoop.hbase.favored">LoadBalancer</a> |
| <div class="block">Makes decisions about the placement and movement of Regions across RegionServers.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colOne"><a href="../../../../../org/apache/hadoop/hbase/master/class-use/RackManager.html#org.apache.hadoop.hbase.favored">RackManager</a> |
| <div class="block">Wrapper over the rack resolution utility in Hadoop.</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colOne"><a href="../../../../../org/apache/hadoop/hbase/master/class-use/RegionPlan.html#org.apache.hadoop.hbase.favored">RegionPlan</a> |
| <div class="block">Stores the plan for the move of an individual region.</div> |
| </td> |
| </tr> |
| </tbody> |
| </table> |
| </li> |
| <li class="blockList"><a name="org.apache.hadoop.hbase.master"> |
| <!-- --> |
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| <table class="useSummary" border="0" cellpadding="3" cellspacing="0" summary="Use table, listing classes, and an explanation"> |
| <caption><span>Classes in <a href="../../../../../org/apache/hadoop/hbase/master/package-summary.html">org.apache.hadoop.hbase.master</a> used by <a href="../../../../../org/apache/hadoop/hbase/master/package-summary.html">org.apache.hadoop.hbase.master</a></span><span class="tabEnd"> </span></caption> |
| <tr> |
| <th class="colOne" scope="col">Class and Description</th> |
| </tr> |
| <tbody> |
| <tr class="altColor"> |
| <td class="colOne"><a href="../../../../../org/apache/hadoop/hbase/master/class-use/ActiveMasterManager.html#org.apache.hadoop.hbase.master">ActiveMasterManager</a> |
| <div class="block">Handles everything on master-side related to master election.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colOne"><a href="../../../../../org/apache/hadoop/hbase/master/class-use/AssignmentVerificationReport.html#org.apache.hadoop.hbase.master">AssignmentVerificationReport</a> |
| <div class="block">Helper class that is used by RegionPlacementMaintainer to print |
| information for favored nodes</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colOne"><a href="../../../../../org/apache/hadoop/hbase/master/class-use/CachedClusterId.html#org.apache.hadoop.hbase.master">CachedClusterId</a> |
| <div class="block">Caches the cluster ID of the cluster.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colOne"><a href="../../../../../org/apache/hadoop/hbase/master/class-use/ClusterSchema.html#org.apache.hadoop.hbase.master">ClusterSchema</a> |
| <div class="block">View and edit the current cluster schema.</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colOne"><a href="../../../../../org/apache/hadoop/hbase/master/class-use/ClusterSchemaService.html#org.apache.hadoop.hbase.master">ClusterSchemaService</a> |
| <div class="block">Mixes in ClusterSchema and Service</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colOne"><a href="../../../../../org/apache/hadoop/hbase/master/class-use/ClusterStatusPublisher.html#org.apache.hadoop.hbase.master">ClusterStatusPublisher</a> |
| <div class="block">Class to publish the cluster status to the client.</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colOne"><a href="../../../../../org/apache/hadoop/hbase/master/class-use/ClusterStatusPublisher.Publisher.html#org.apache.hadoop.hbase.master">ClusterStatusPublisher.Publisher</a> </td> |
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| <tr class="rowColor"> |
| <td class="colOne"><a href="../../../../../org/apache/hadoop/hbase/master/class-use/DeadServer.html#org.apache.hadoop.hbase.master">DeadServer</a> |
| <div class="block">Class to hold dead servers list and utility querying dead server list.</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colOne"><a href="../../../../../org/apache/hadoop/hbase/master/class-use/DrainingServerTracker.html#org.apache.hadoop.hbase.master">DrainingServerTracker</a> |
| <div class="block">Tracks the list of draining region servers via ZK.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colOne"><a href="../../../../../org/apache/hadoop/hbase/master/class-use/HbckChore.html#org.apache.hadoop.hbase.master">HbckChore</a> |
| <div class="block">Used to do the hbck checking job at master side.</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colOne"><a href="../../../../../org/apache/hadoop/hbase/master/class-use/HMaster.html#org.apache.hadoop.hbase.master">HMaster</a> |
| <div class="block">HMaster is the "master server" for HBase.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colOne"><a href="../../../../../org/apache/hadoop/hbase/master/class-use/HMaster.TableDescriptorGetter.html#org.apache.hadoop.hbase.master">HMaster.TableDescriptorGetter</a> |
| <div class="block">Implement to return TableDescriptor after pre-checks</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colOne"><a href="../../../../../org/apache/hadoop/hbase/master/class-use/LoadBalancer.html#org.apache.hadoop.hbase.master">LoadBalancer</a> |
| <div class="block">Makes decisions about the placement and movement of Regions across RegionServers.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colOne"><a href="../../../../../org/apache/hadoop/hbase/master/class-use/MasterCoprocessorHost.html#org.apache.hadoop.hbase.master">MasterCoprocessorHost</a> |
| <div class="block">Provides the coprocessor framework and environment for master oriented |
| operations.</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colOne"><a href="../../../../../org/apache/hadoop/hbase/master/class-use/MasterCoprocessorHost.MasterEnvironment.html#org.apache.hadoop.hbase.master">MasterCoprocessorHost.MasterEnvironment</a> |
| <div class="block">Coprocessor environment extension providing access to master related |
| services.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colOne"><a href="../../../../../org/apache/hadoop/hbase/master/class-use/MasterFileSystem.html#org.apache.hadoop.hbase.master">MasterFileSystem</a> |
| <div class="block">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.</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colOne"><a href="../../../../../org/apache/hadoop/hbase/master/class-use/MasterRpcServices.html#org.apache.hadoop.hbase.master">MasterRpcServices</a> |
| <div class="block">Implements the master RPC services.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colOne"><a href="../../../../../org/apache/hadoop/hbase/master/class-use/MasterRpcServices.BalanceSwitchMode.html#org.apache.hadoop.hbase.master">MasterRpcServices.BalanceSwitchMode</a> </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colOne"><a href="../../../../../org/apache/hadoop/hbase/master/class-use/MasterRpcServicesVersionWrapper.ServiceCallFunction.html#org.apache.hadoop.hbase.master">MasterRpcServicesVersionWrapper.ServiceCallFunction</a> </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colOne"><a href="../../../../../org/apache/hadoop/hbase/master/class-use/MasterServices.html#org.apache.hadoop.hbase.master">MasterServices</a> |
| <div class="block">A curated subset of services provided by <a href="../../../../../org/apache/hadoop/hbase/master/HMaster.html" title="class in org.apache.hadoop.hbase.master"><code>HMaster</code></a>.</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colOne"><a href="../../../../../org/apache/hadoop/hbase/master/class-use/MasterWalManager.html#org.apache.hadoop.hbase.master">MasterWalManager</a> |
| <div class="block">This class abstracts a bunch of operations the HMaster needs |
| when splitting log files e.g.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colOne"><a href="../../../../../org/apache/hadoop/hbase/master/class-use/MetaRegionLocationCache.html#org.apache.hadoop.hbase.master">MetaRegionLocationCache</a> |
| <div class="block">A cache of meta region location metadata.</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colOne"><a href="../../../../../org/apache/hadoop/hbase/master/class-use/MetaRegionLocationCache.ZNodeOpType.html#org.apache.hadoop.hbase.master">MetaRegionLocationCache.ZNodeOpType</a> </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colOne"><a href="../../../../../org/apache/hadoop/hbase/master/class-use/MetricsAssignmentManagerSource.html#org.apache.hadoop.hbase.master">MetricsAssignmentManagerSource</a> </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colOne"><a href="../../../../../org/apache/hadoop/hbase/master/class-use/MetricsMaster.html#org.apache.hadoop.hbase.master">MetricsMaster</a> |
| <div class="block">This class is for maintaining the various master statistics |
| and publishing them through the metrics interfaces.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colOne"><a href="../../../../../org/apache/hadoop/hbase/master/class-use/MetricsMasterFileSystem.html#org.apache.hadoop.hbase.master">MetricsMasterFileSystem</a> </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colOne"><a href="../../../../../org/apache/hadoop/hbase/master/class-use/MetricsMasterFileSystemSource.html#org.apache.hadoop.hbase.master">MetricsMasterFileSystemSource</a> </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colOne"><a href="../../../../../org/apache/hadoop/hbase/master/class-use/MetricsMasterProcSource.html#org.apache.hadoop.hbase.master">MetricsMasterProcSource</a> |
| <div class="block">Interface that classes that expose metrics about the master will implement.</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colOne"><a href="../../../../../org/apache/hadoop/hbase/master/class-use/MetricsMasterProcSourceFactory.html#org.apache.hadoop.hbase.master">MetricsMasterProcSourceFactory</a> |
| <div class="block">Interface of a factory to create MetricsMasterSource when given a MetricsMasterWrapper</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colOne"><a href="../../../../../org/apache/hadoop/hbase/master/class-use/MetricsMasterQuotaSource.html#org.apache.hadoop.hbase.master">MetricsMasterQuotaSource</a> |
| <div class="block">A collection of exposed metrics for space quotas from the HBase Master.</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colOne"><a href="../../../../../org/apache/hadoop/hbase/master/class-use/MetricsMasterQuotaSourceFactory.html#org.apache.hadoop.hbase.master">MetricsMasterQuotaSourceFactory</a> |
| <div class="block">Interface of a factory to create MetricsMasterQuotaSource when given a MetricsMasterWrapper.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colOne"><a href="../../../../../org/apache/hadoop/hbase/master/class-use/MetricsMasterSource.html#org.apache.hadoop.hbase.master">MetricsMasterSource</a> |
| <div class="block">Interface that classes that expose metrics about the master will implement.</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colOne"><a href="../../../../../org/apache/hadoop/hbase/master/class-use/MetricsMasterSourceFactory.html#org.apache.hadoop.hbase.master">MetricsMasterSourceFactory</a> |
| <div class="block">Interface of a factory to create MetricsMasterSource when given a MetricsMasterWrapper</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colOne"><a href="../../../../../org/apache/hadoop/hbase/master/class-use/MetricsMasterSourceFactoryImpl.FactoryStorage.html#org.apache.hadoop.hbase.master">MetricsMasterSourceFactoryImpl.FactoryStorage</a> </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colOne"><a href="../../../../../org/apache/hadoop/hbase/master/class-use/MetricsMasterWrapper.html#org.apache.hadoop.hbase.master">MetricsMasterWrapper</a> |
| <div class="block">This is the interface that will expose information to hadoop1/hadoop2 implementations of the |
| MetricsMasterSource.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colOne"><a href="../../../../../org/apache/hadoop/hbase/master/class-use/MetricsSnapshotSource.html#org.apache.hadoop.hbase.master">MetricsSnapshotSource</a> </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colOne"><a href="../../../../../org/apache/hadoop/hbase/master/class-use/RackManager.html#org.apache.hadoop.hbase.master">RackManager</a> |
| <div class="block">Wrapper over the rack resolution utility in Hadoop.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colOne"><a href="../../../../../org/apache/hadoop/hbase/master/class-use/RegionPlan.html#org.apache.hadoop.hbase.master">RegionPlan</a> |
| <div class="block">Stores the plan for the move of an individual region.</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colOne"><a href="../../../../../org/apache/hadoop/hbase/master/class-use/RegionServerTracker.html#org.apache.hadoop.hbase.master">RegionServerTracker</a> |
| <div class="block">Tracks the online region servers via ZK.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colOne"><a href="../../../../../org/apache/hadoop/hbase/master/class-use/RegionsRecoveryChore.html#org.apache.hadoop.hbase.master">RegionsRecoveryChore</a> |
| <div class="block">This chore, every time it runs, will try to recover regions with high store ref count |
| by reopening them</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colOne"><a href="../../../../../org/apache/hadoop/hbase/master/class-use/RegionsRecoveryConfigManager.html#org.apache.hadoop.hbase.master">RegionsRecoveryConfigManager</a> |
| <div class="block">Config manager for RegionsRecovery Chore - Dynamically reload config and update chore accordingly</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colOne"><a href="../../../../../org/apache/hadoop/hbase/master/class-use/RegionState.html#org.apache.hadoop.hbase.master">RegionState</a> |
| <div class="block">State of a Region while undergoing transitions.</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colOne"><a href="../../../../../org/apache/hadoop/hbase/master/class-use/RegionState.State.html#org.apache.hadoop.hbase.master">RegionState.State</a> </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colOne"><a href="../../../../../org/apache/hadoop/hbase/master/class-use/ServerListener.html#org.apache.hadoop.hbase.master">ServerListener</a> |
| <div class="block">Get notification of server registration events.</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colOne"><a href="../../../../../org/apache/hadoop/hbase/master/class-use/ServerManager.html#org.apache.hadoop.hbase.master">ServerManager</a> |
| <div class="block">The ServerManager class manages info about region servers.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colOne"><a href="../../../../../org/apache/hadoop/hbase/master/class-use/ServerManager.FlushedSequenceIdFlusher.html#org.apache.hadoop.hbase.master">ServerManager.FlushedSequenceIdFlusher</a> </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colOne"><a href="../../../../../org/apache/hadoop/hbase/master/class-use/ServerManager.ServerLiveState.html#org.apache.hadoop.hbase.master">ServerManager.ServerLiveState</a> </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colOne"><a href="../../../../../org/apache/hadoop/hbase/master/class-use/SnapshotOfRegionAssignmentFromMeta.html#org.apache.hadoop.hbase.master">SnapshotOfRegionAssignmentFromMeta</a> |
| <div class="block">Used internally for reading meta and constructing datastructures that are |
| then queried, for things like regions to regionservers, table to regions, etc.</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colOne"><a href="../../../../../org/apache/hadoop/hbase/master/class-use/SplitLogManager.html#org.apache.hadoop.hbase.master">SplitLogManager</a> |
| <div class="block"><span class="deprecatedLabel">Deprecated.</span> |
| <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 |
| distributed WAL splitter, see SplitWALManager.</span></div> |
| </div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colOne"><a href="../../../../../org/apache/hadoop/hbase/master/class-use/SplitLogManager.ResubmitDirective.html#org.apache.hadoop.hbase.master">SplitLogManager.ResubmitDirective</a> |
| <div class="block"><span class="deprecatedLabel">Deprecated.</span> </div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colOne"><a href="../../../../../org/apache/hadoop/hbase/master/class-use/SplitLogManager.Task.html#org.apache.hadoop.hbase.master">SplitLogManager.Task</a> |
| <div class="block"><span class="deprecatedLabel">Deprecated.</span> </div> |
| <div class="block">in memory state of an active task.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colOne"><a href="../../../../../org/apache/hadoop/hbase/master/class-use/SplitLogManager.TaskBatch.html#org.apache.hadoop.hbase.master">SplitLogManager.TaskBatch</a> |
| <div class="block"><span class="deprecatedLabel">Deprecated.</span> </div> |
| <div class="block">Keeps track of the batch of tasks submitted together by a caller in splitLogDistributed().</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colOne"><a href="../../../../../org/apache/hadoop/hbase/master/class-use/SplitLogManager.TerminationStatus.html#org.apache.hadoop.hbase.master">SplitLogManager.TerminationStatus</a> |
| <div class="block"><span class="deprecatedLabel">Deprecated.</span> </div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colOne"><a href="../../../../../org/apache/hadoop/hbase/master/class-use/SplitLogManager.TimeoutMonitor.html#org.apache.hadoop.hbase.master">SplitLogManager.TimeoutMonitor</a> |
| <div class="block"><span class="deprecatedLabel">Deprecated.</span> </div> |
| <div class="block">Periodically checks all active tasks and resubmits the ones that have timed out</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colOne"><a href="../../../../../org/apache/hadoop/hbase/master/class-use/SplitOrMergeTracker.html#org.apache.hadoop.hbase.master">SplitOrMergeTracker</a> |
| <div class="block">Tracks the switch of split and merge states in ZK</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colOne"><a href="../../../../../org/apache/hadoop/hbase/master/class-use/SplitOrMergeTracker.SwitchStateTracker.html#org.apache.hadoop.hbase.master">SplitOrMergeTracker.SwitchStateTracker</a> </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colOne"><a href="../../../../../org/apache/hadoop/hbase/master/class-use/SplitWALManager.html#org.apache.hadoop.hbase.master">SplitWALManager</a> |
| <div class="block">Create <a href="../../../../../org/apache/hadoop/hbase/master/procedure/SplitWALProcedure.html" title="class in org.apache.hadoop.hbase.master.procedure"><code>SplitWALProcedure</code></a> for each WAL which need to split.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colOne"><a href="../../../../../org/apache/hadoop/hbase/master/class-use/SplitWALManager.SplitWorkerAssigner.html#org.apache.hadoop.hbase.master">SplitWALManager.SplitWorkerAssigner</a> |
| <div class="block">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</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colOne"><a href="../../../../../org/apache/hadoop/hbase/master/class-use/TableNamespaceManager.html#org.apache.hadoop.hbase.master">TableNamespaceManager</a> |
| <div class="block">This is a helper class used internally to manage the namespace metadata that is stored in the ns |
| family in meta table.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colOne"><a href="../../../../../org/apache/hadoop/hbase/master/class-use/TableStateManager.html#org.apache.hadoop.hbase.master">TableStateManager</a> |
| <div class="block">This is a helper class used to manage table states.</div> |
| </td> |
| </tr> |
| </tbody> |
| </table> |
| </li> |
| <li class="blockList"><a name="org.apache.hadoop.hbase.master.assignment"> |
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| </a> |
| <table class="useSummary" border="0" cellpadding="3" cellspacing="0" summary="Use table, listing classes, and an explanation"> |
| <caption><span>Classes in <a href="../../../../../org/apache/hadoop/hbase/master/package-summary.html">org.apache.hadoop.hbase.master</a> used by <a href="../../../../../org/apache/hadoop/hbase/master/assignment/package-summary.html">org.apache.hadoop.hbase.master.assignment</a></span><span class="tabEnd"> </span></caption> |
| <tr> |
| <th class="colOne" scope="col">Class and Description</th> |
| </tr> |
| <tbody> |
| <tr class="altColor"> |
| <td class="colOne"><a href="../../../../../org/apache/hadoop/hbase/master/class-use/LoadBalancer.html#org.apache.hadoop.hbase.master.assignment">LoadBalancer</a> |
| <div class="block">Makes decisions about the placement and movement of Regions across RegionServers.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colOne"><a href="../../../../../org/apache/hadoop/hbase/master/class-use/MasterServices.html#org.apache.hadoop.hbase.master.assignment">MasterServices</a> |
| <div class="block">A curated subset of services provided by <a href="../../../../../org/apache/hadoop/hbase/master/HMaster.html" title="class in org.apache.hadoop.hbase.master"><code>HMaster</code></a>.</div> |
| </td> |
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| <tr class="altColor"> |
| <td class="colOne"><a href="../../../../../org/apache/hadoop/hbase/master/class-use/MetricsAssignmentManager.html#org.apache.hadoop.hbase.master.assignment">MetricsAssignmentManager</a> </td> |
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| <td class="colOne"><a href="../../../../../org/apache/hadoop/hbase/master/class-use/RegionPlan.html#org.apache.hadoop.hbase.master.assignment">RegionPlan</a> |
| <div class="block">Stores the plan for the move of an individual region.</div> |
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| <tr class="altColor"> |
| <td class="colOne"><a href="../../../../../org/apache/hadoop/hbase/master/class-use/RegionState.html#org.apache.hadoop.hbase.master.assignment">RegionState</a> |
| <div class="block">State of a Region while undergoing transitions.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colOne"><a href="../../../../../org/apache/hadoop/hbase/master/class-use/RegionState.State.html#org.apache.hadoop.hbase.master.assignment">RegionState.State</a> </td> |
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| <tr class="altColor"> |
| <td class="colOne"><a href="../../../../../org/apache/hadoop/hbase/master/class-use/TableStateManager.html#org.apache.hadoop.hbase.master.assignment">TableStateManager</a> |
| <div class="block">This is a helper class used to manage table states.</div> |
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| </li> |
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| <caption><span>Classes in <a href="../../../../../org/apache/hadoop/hbase/master/package-summary.html">org.apache.hadoop.hbase.master</a> used by <a href="../../../../../org/apache/hadoop/hbase/master/balancer/package-summary.html">org.apache.hadoop.hbase.master.balancer</a></span><span class="tabEnd"> </span></caption> |
| <tr> |
| <th class="colOne" scope="col">Class and Description</th> |
| </tr> |
| <tbody> |
| <tr class="altColor"> |
| <td class="colOne"><a href="../../../../../org/apache/hadoop/hbase/master/class-use/HMaster.html#org.apache.hadoop.hbase.master.balancer">HMaster</a> |
| <div class="block">HMaster is the "master server" for HBase.</div> |
| </td> |
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| <tr class="rowColor"> |
| <td class="colOne"><a href="../../../../../org/apache/hadoop/hbase/master/class-use/LoadBalancer.html#org.apache.hadoop.hbase.master.balancer">LoadBalancer</a> |
| <div class="block">Makes decisions about the placement and movement of Regions across RegionServers.</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colOne"><a href="../../../../../org/apache/hadoop/hbase/master/class-use/MasterServices.html#org.apache.hadoop.hbase.master.balancer">MasterServices</a> |
| <div class="block">A curated subset of services provided by <a href="../../../../../org/apache/hadoop/hbase/master/HMaster.html" title="class in org.apache.hadoop.hbase.master"><code>HMaster</code></a>.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colOne"><a href="../../../../../org/apache/hadoop/hbase/master/class-use/RackManager.html#org.apache.hadoop.hbase.master.balancer">RackManager</a> |
| <div class="block">Wrapper over the rack resolution utility in Hadoop.</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colOne"><a href="../../../../../org/apache/hadoop/hbase/master/class-use/RegionPlan.html#org.apache.hadoop.hbase.master.balancer">RegionPlan</a> |
| <div class="block">Stores the plan for the move of an individual region.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colOne"><a href="../../../../../org/apache/hadoop/hbase/master/class-use/RegionPlan.RegionPlanComparator.html#org.apache.hadoop.hbase.master.balancer">RegionPlan.RegionPlanComparator</a> </td> |
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| <caption><span>Classes in <a href="../../../../../org/apache/hadoop/hbase/master/package-summary.html">org.apache.hadoop.hbase.master</a> used by <a href="../../../../../org/apache/hadoop/hbase/master/http/package-summary.html">org.apache.hadoop.hbase.master.http</a></span><span class="tabEnd"> </span></caption> |
| <tr> |
| <th class="colOne" scope="col">Class and Description</th> |
| </tr> |
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| <tr class="altColor"> |
| <td class="colOne"><a href="../../../../../org/apache/hadoop/hbase/master/class-use/HMaster.html#org.apache.hadoop.hbase.master.http">HMaster</a> |
| <div class="block">HMaster is the "master server" for HBase.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colOne"><a href="../../../../../org/apache/hadoop/hbase/master/class-use/RegionState.State.html#org.apache.hadoop.hbase.master.http">RegionState.State</a> </td> |
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| <tr> |
| <th class="colOne" scope="col">Class and Description</th> |
| </tr> |
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| <tr class="altColor"> |
| <td class="colOne"><a href="../../../../../org/apache/hadoop/hbase/master/class-use/MasterServices.html#org.apache.hadoop.hbase.master.janitor">MasterServices</a> |
| <div class="block">A curated subset of services provided by <a href="../../../../../org/apache/hadoop/hbase/master/HMaster.html" title="class in org.apache.hadoop.hbase.master"><code>HMaster</code></a>.</div> |
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| <th class="colOne" scope="col">Class and Description</th> |
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| <td class="colOne"><a href="../../../../../org/apache/hadoop/hbase/master/class-use/HMaster.html#org.apache.hadoop.hbase.master.locking">HMaster</a> |
| <div class="block">HMaster is the "master server" for HBase.</div> |
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