[07/51] [partial] hbase-site git commit: Published site at a2c99b133f8ad2a02e8710a4e0f9a448539cc127.

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http://git-wip-us.apache.org/repos/asf/hbase-site/blob/2264aeb1/devapidocs/org/apache/hadoop/hbase/rsgroup/RSGroupBasedLoadBalancer.html
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+</ul>
+<ul class="subNavList">
+<li>Detail:&nbsp;</li>
+<li><a href="#field_detail">Field</a>&nbsp;|&nbsp;</li>
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+<div class="subTitle">org.apache.hadoop.hbase.rsgroup</div>
+<h2 title="Class RSGroupBasedLoadBalancer" class="title">Class 
RSGroupBasedLoadBalancer</h2>
+</div>
+<div class="contentContainer">
+<ul class="inheritance">
+<li><a 
href="http://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true";
 title="class or interface in java.lang">java.lang.Object</a></li>
+<li>
+<ul class="inheritance">
+<li>org.apache.hadoop.hbase.rsgroup.RSGroupBasedLoadBalancer</li>
+</ul>
+</li>
+</ul>
+<div class="description">
+<ul class="blockList">
+<li class="blockList">
+<dl>
+<dt>All Implemented Interfaces:</dt>
+<dd>org.apache.hadoop.conf.Configurable, <a 
href="../../../../../org/apache/hadoop/hbase/conf/ConfigurationObserver.html" 
title="interface in org.apache.hadoop.hbase.conf">ConfigurationObserver</a>, <a 
href="../../../../../org/apache/hadoop/hbase/master/LoadBalancer.html" 
title="interface in org.apache.hadoop.hbase.master">LoadBalancer</a>, <a 
href="../../../../../org/apache/hadoop/hbase/rsgroup/RSGroupableBalancer.html" 
title="interface in org.apache.hadoop.hbase.rsgroup">RSGroupableBalancer</a>, 
<a href="../../../../../org/apache/hadoop/hbase/Stoppable.html" 
title="interface in org.apache.hadoop.hbase">Stoppable</a></dd>
+</dl>
+<hr>
+<br>
+<pre><a 
href="../../../../../org/apache/hadoop/hbase/classification/InterfaceAudience.Private.html"
 title="annotation in 
org.apache.hadoop.hbase.classification">@InterfaceAudience.Private</a>
+public class <a 
href="../../../../../src-html/org/apache/hadoop/hbase/rsgroup/RSGroupBasedLoadBalancer.html#line.74">RSGroupBasedLoadBalancer</a>
+extends <a 
href="http://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true";
 title="class or interface in java.lang">Object</a>
+implements <a 
href="../../../../../org/apache/hadoop/hbase/rsgroup/RSGroupableBalancer.html" 
title="interface in org.apache.hadoop.hbase.rsgroup">RSGroupableBalancer</a>, 
<a href="../../../../../org/apache/hadoop/hbase/master/LoadBalancer.html" 
title="interface in org.apache.hadoop.hbase.master">LoadBalancer</a></pre>
+<div class="block">GroupBasedLoadBalancer, used when Region Server Grouping is 
configured (HBase-6721)
+ It does region balance based on a table's group membership.
+
+ Most assignment methods contain two exclusive code paths: Online - when the 
group
+ table is online and Offline - when it is unavailable.
+
+ During Offline, assignments are assigned based on cached information in 
zookeeper.
+ If unavailable (ie bootstrap) then regions are assigned randomly.
+
+ Once the GROUP table has been assigned, the balancer switches to Online and 
will then
+ start providing appropriate assignments for user tables.</div>
+</li>
+</ul>
+</div>
+<div class="summary">
+<ul class="blockList">
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+<table class="overviewSummary" border="0" cellpadding="3" cellspacing="0" 
summary="Field Summary table, listing fields, and an explanation">
+<caption><span>Fields</span><span class="tabEnd">&nbsp;</span></caption>
+<tr>
+<th class="colFirst" scope="col">Modifier and Type</th>
+<th class="colLast" scope="col">Field and Description</th>
+</tr>
+<tr class="altColor">
+<td class="colFirst"><code>private <a 
href="../../../../../org/apache/hadoop/hbase/ClusterStatus.html" title="class 
in org.apache.hadoop.hbase">ClusterStatus</a></code></td>
+<td class="colLast"><code><strong><a 
href="../../../../../org/apache/hadoop/hbase/rsgroup/RSGroupBasedLoadBalancer.html#clusterStatus">clusterStatus</a></strong></code>&nbsp;</td>
+</tr>
+<tr class="rowColor">
+<td class="colFirst"><code>private 
org.apache.hadoop.conf.Configuration</code></td>
+<td class="colLast"><code><strong><a 
href="../../../../../org/apache/hadoop/hbase/rsgroup/RSGroupBasedLoadBalancer.html#config">config</a></strong></code>&nbsp;</td>
+</tr>
+<tr class="altColor">
+<td class="colFirst"><code>static <a 
href="http://docs.oracle.com/javase/7/docs/api/java/lang/String.html?is-external=true";
 title="class or interface in java.lang">String</a></code></td>
+<td class="colLast"><code><strong><a 
href="../../../../../org/apache/hadoop/hbase/rsgroup/RSGroupBasedLoadBalancer.html#HBASE_GROUP_LOADBALANCER_CLASS">HBASE_GROUP_LOADBALANCER_CLASS</a></strong></code>
+<div class="block">Config for pluggable load balancers</div>
+</td>
+</tr>
+<tr class="rowColor">
+<td class="colFirst"><code>private <a 
href="../../../../../org/apache/hadoop/hbase/master/LoadBalancer.html" 
title="interface in org.apache.hadoop.hbase.master">LoadBalancer</a></code></td>
+<td class="colLast"><code><strong><a 
href="../../../../../org/apache/hadoop/hbase/rsgroup/RSGroupBasedLoadBalancer.html#internalBalancer">internalBalancer</a></strong></code>&nbsp;</td>
+</tr>
+<tr class="altColor">
+<td class="colFirst"><code>private static 
org.apache.commons.logging.Log</code></td>
+<td class="colLast"><code><strong><a 
href="../../../../../org/apache/hadoop/hbase/rsgroup/RSGroupBasedLoadBalancer.html#LOG">LOG</a></strong></code>&nbsp;</td>
+</tr>
+<tr class="rowColor">
+<td class="colFirst"><code>private <a 
href="../../../../../org/apache/hadoop/hbase/master/MasterServices.html" 
title="interface in 
org.apache.hadoop.hbase.master">MasterServices</a></code></td>
+<td class="colLast"><code><strong><a 
href="../../../../../org/apache/hadoop/hbase/rsgroup/RSGroupBasedLoadBalancer.html#masterServices">masterServices</a></strong></code>&nbsp;</td>
+</tr>
+<tr class="altColor">
+<td class="colFirst"><code>private <a 
href="../../../../../org/apache/hadoop/hbase/rsgroup/RSGroupInfoManager.html" 
title="interface in 
org.apache.hadoop.hbase.rsgroup">RSGroupInfoManager</a></code></td>
+<td class="colLast"><code><strong><a 
href="../../../../../org/apache/hadoop/hbase/rsgroup/RSGroupBasedLoadBalancer.html#RSGroupInfoManager">RSGroupInfoManager</a></strong></code>&nbsp;</td>
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+</a>
+<h3>Fields inherited from interface&nbsp;org.apache.hadoop.hbase.master.<a 
href="../../../../../org/apache/hadoop/hbase/master/LoadBalancer.html" 
title="interface in org.apache.hadoop.hbase.master">LoadBalancer</a></h3>
+<code><a 
href="../../../../../org/apache/hadoop/hbase/master/LoadBalancer.html#BOGUS_SERVER_NAME">BOGUS_SERVER_NAME</a></code></li>
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+</a>
+<h3>Constructor Summary</h3>
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summary="Constructor Summary table, listing constructors, and an explanation">
+<caption><span>Constructors</span><span class="tabEnd">&nbsp;</span></caption>
+<tr>
+<th class="colOne" scope="col">Constructor and Description</th>
+</tr>
+<tr class="altColor">
+<td class="colOne"><code><strong><a 
href="../../../../../org/apache/hadoop/hbase/rsgroup/RSGroupBasedLoadBalancer.html#RSGroupBasedLoadBalancer()">RSGroupBasedLoadBalancer</a></strong>()</code>&nbsp;</td>
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+<tr class="rowColor">
+<td class="colOne"><code><strong><a 
href="../../../../../org/apache/hadoop/hbase/rsgroup/RSGroupBasedLoadBalancer.html#RSGroupBasedLoadBalancer(org.apache.hadoop.hbase.rsgroup.RSGroupInfoManager)">RSGroupBasedLoadBalancer</a></strong>(<a
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title="interface in 
org.apache.hadoop.hbase.rsgroup">RSGroupInfoManager</a>&nbsp;RSGroupInfoManager)</code>&nbsp;</td>
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+</a>
+<h3>Method Summary</h3>
+<table class="overviewSummary" border="0" cellpadding="3" cellspacing="0" 
summary="Method Summary table, listing methods, and an explanation">
+<caption><span>Methods</span><span class="tabEnd">&nbsp;</span></caption>
+<tr>
+<th class="colFirst" scope="col">Modifier and Type</th>
+<th class="colLast" scope="col">Method and Description</th>
+</tr>
+<tr class="altColor">
+<td class="colFirst"><code><a 
href="http://docs.oracle.com/javase/7/docs/api/java/util/List.html?is-external=true";
 title="class or interface in java.util">List</a>&lt;<a 
href="../../../../../org/apache/hadoop/hbase/master/RegionPlan.html" 
title="class in org.apache.hadoop.hbase.master">RegionPlan</a>&gt;</code></td>
+<td class="colLast"><code><strong><a 
href="../../../../../org/apache/hadoop/hbase/rsgroup/RSGroupBasedLoadBalancer.html#balanceCluster(java.util.Map)">balanceCluster</a></strong>(<a
 
href="http://docs.oracle.com/javase/7/docs/api/java/util/Map.html?is-external=true";
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href="../../../../../org/apache/hadoop/hbase/ServerName.html" title="class in 
org.apache.hadoop.hbase">ServerName</a>,<a 
href="http://docs.oracle.com/javase/7/docs/api/java/util/List.html?is-external=true";
 title="class or interface in java.util">List</a>&lt;<a 
href="../../../../../org/apache/hadoop/hbase/HRegionInfo.html" title="class in 
org.apache.hadoop.hbase">HRegionInfo</a>&gt;&gt;&nbsp;clusterState)</code>
+<div class="block">Perform the major balance operation</div>
+</td>
+</tr>
+<tr class="rowColor">
+<td class="colFirst"><code><a 
href="http://docs.oracle.com/javase/7/docs/api/java/util/List.html?is-external=true";
 title="class or interface in java.util">List</a>&lt;<a 
href="../../../../../org/apache/hadoop/hbase/master/RegionPlan.html" 
title="class in org.apache.hadoop.hbase.master">RegionPlan</a>&gt;</code></td>
+<td class="colLast"><code><strong><a 
href="../../../../../org/apache/hadoop/hbase/rsgroup/RSGroupBasedLoadBalancer.html#balanceCluster(org.apache.hadoop.hbase.TableName,%20java.util.Map)">balanceCluster</a></strong>(<a
 href="../../../../../org/apache/hadoop/hbase/TableName.html" title="class in 
org.apache.hadoop.hbase">TableName</a>&nbsp;tableName,
+                            <a 
href="http://docs.oracle.com/javase/7/docs/api/java/util/Map.html?is-external=true";
 title="class or interface in java.util">Map</a>&lt;<a 
href="../../../../../org/apache/hadoop/hbase/ServerName.html" title="class in 
org.apache.hadoop.hbase">ServerName</a>,<a 
href="http://docs.oracle.com/javase/7/docs/api/java/util/List.html?is-external=true";
 title="class or interface in java.util">List</a>&lt;<a 
href="../../../../../org/apache/hadoop/hbase/HRegionInfo.html" title="class in 
org.apache.hadoop.hbase">HRegionInfo</a>&gt;&gt;&nbsp;clusterState)</code>
+<div class="block">Perform the major balance operation</div>
+</td>
+</tr>
+<tr class="altColor">
+<td class="colFirst"><code>private <a 
href="http://docs.oracle.com/javase/7/docs/api/java/util/Map.html?is-external=true";
 title="class or interface in java.util">Map</a>&lt;<a 
href="../../../../../org/apache/hadoop/hbase/ServerName.html" title="class in 
org.apache.hadoop.hbase">ServerName</a>,<a 
href="http://docs.oracle.com/javase/7/docs/api/java/util/List.html?is-external=true";
 title="class or interface in java.util">List</a>&lt;<a 
href="../../../../../org/apache/hadoop/hbase/HRegionInfo.html" title="class in 
org.apache.hadoop.hbase">HRegionInfo</a>&gt;&gt;</code></td>
+<td class="colLast"><code><strong><a 
href="../../../../../org/apache/hadoop/hbase/rsgroup/RSGroupBasedLoadBalancer.html#correctAssignments(java.util.Map)">correctAssignments</a></strong>(<a
 
href="http://docs.oracle.com/javase/7/docs/api/java/util/Map.html?is-external=true";
 title="class or interface in java.util">Map</a>&lt;<a 
href="../../../../../org/apache/hadoop/hbase/ServerName.html" title="class in 
org.apache.hadoop.hbase">ServerName</a>,<a 
href="http://docs.oracle.com/javase/7/docs/api/java/util/List.html?is-external=true";
 title="class or interface in java.util">List</a>&lt;<a 
href="../../../../../org/apache/hadoop/hbase/HRegionInfo.html" title="class in 
org.apache.hadoop.hbase">HRegionInfo</a>&gt;&gt;&nbsp;existingAssignments)</code>&nbsp;</td>
+</tr>
+<tr class="rowColor">
+<td class="colFirst"><code>private <a 
href="http://docs.oracle.com/javase/7/docs/api/java/util/List.html?is-external=true";
 title="class or interface in java.util">List</a>&lt;<a 
href="../../../../../org/apache/hadoop/hbase/ServerName.html" title="class in 
org.apache.hadoop.hbase">ServerName</a>&gt;</code></td>
+<td class="colLast"><code><strong><a 
href="../../../../../org/apache/hadoop/hbase/rsgroup/RSGroupBasedLoadBalancer.html#filterOfflineServers(org.apache.hadoop.hbase.rsgroup.RSGroupInfo,%20java.util.List)">filterOfflineServers</a></strong>(<a
 href="../../../../../org/apache/hadoop/hbase/rsgroup/RSGroupInfo.html" 
title="class in 
org.apache.hadoop.hbase.rsgroup">RSGroupInfo</a>&nbsp;RSGroupInfo,
+                                        <a 
href="http://docs.oracle.com/javase/7/docs/api/java/util/List.html?is-external=true";
 title="class or interface in java.util">List</a>&lt;<a 
href="../../../../../org/apache/hadoop/hbase/ServerName.html" title="class in 
org.apache.hadoop.hbase">ServerName</a>&gt;&nbsp;onlineServers)</code>&nbsp;</td>
+</tr>
+<tr class="altColor">
+<td class="colFirst"><code>private <a 
href="http://docs.oracle.com/javase/7/docs/api/java/util/List.html?is-external=true";
 title="class or interface in java.util">List</a>&lt;<a 
href="../../../../../org/apache/hadoop/hbase/ServerName.html" title="class in 
org.apache.hadoop.hbase">ServerName</a>&gt;</code></td>
+<td class="colLast"><code><strong><a 
href="../../../../../org/apache/hadoop/hbase/rsgroup/RSGroupBasedLoadBalancer.html#filterServers(java.util.Collection,%20java.util.Collection)">filterServers</a></strong>(<a
 
href="http://docs.oracle.com/javase/7/docs/api/java/util/Collection.html?is-external=true";
 title="class or interface in 
java.util">Collection</a>&lt;com.google.common.net.HostAndPort&gt;&nbsp;servers,
+                          <a 
href="http://docs.oracle.com/javase/7/docs/api/java/util/Collection.html?is-external=true";
 title="class or interface in java.util">Collection</a>&lt;<a 
href="../../../../../org/apache/hadoop/hbase/ServerName.html" title="class in 
org.apache.hadoop.hbase">ServerName</a>&gt;&nbsp;onlineServers)</code>
+<div class="block">Filter servers based on the online servers.</div>
+</td>
+</tr>
+<tr class="rowColor">
+<td class="colFirst"><code>private void</code></td>
+<td class="colLast"><code><strong><a 
href="../../../../../org/apache/hadoop/hbase/rsgroup/RSGroupBasedLoadBalancer.html#generateGroupMaps(java.util.List,%20java.util.List,%20com.google.common.collect.ListMultimap,%20com.google.common.collect.ListMultimap)">generateGroupMaps</a></strong>(<a
 
href="http://docs.oracle.com/javase/7/docs/api/java/util/List.html?is-external=true";
 title="class or interface in java.util">List</a>&lt;<a 
href="../../../../../org/apache/hadoop/hbase/HRegionInfo.html" title="class in 
org.apache.hadoop.hbase">HRegionInfo</a>&gt;&nbsp;regions,
+                                  <a 
href="http://docs.oracle.com/javase/7/docs/api/java/util/List.html?is-external=true";
 title="class or interface in java.util">List</a>&lt;<a 
href="../../../../../org/apache/hadoop/hbase/ServerName.html" title="class in 
org.apache.hadoop.hbase">ServerName</a>&gt;&nbsp;servers,
+                                  com.google.common.collect.ListMultimap&lt;<a 
href="http://docs.oracle.com/javase/7/docs/api/java/lang/String.html?is-external=true";
 title="class or interface in java.lang">String</a>,<a 
href="../../../../../org/apache/hadoop/hbase/HRegionInfo.html" title="class in 
org.apache.hadoop.hbase">HRegionInfo</a>&gt;&nbsp;regionMap,
+                                  com.google.common.collect.ListMultimap&lt;<a 
href="http://docs.oracle.com/javase/7/docs/api/java/lang/String.html?is-external=true";
 title="class or interface in java.lang">String</a>,<a 
href="../../../../../org/apache/hadoop/hbase/ServerName.html" title="class in 
org.apache.hadoop.hbase">ServerName</a>&gt;&nbsp;serverMap)</code>&nbsp;</td>
+</tr>
+<tr class="altColor">
+<td class="colFirst"><code>org.apache.hadoop.conf.Configuration</code></td>
+<td class="colLast"><code><strong><a 
href="../../../../../org/apache/hadoop/hbase/rsgroup/RSGroupBasedLoadBalancer.html#getConf()">getConf</a></strong>()</code>&nbsp;</td>
+</tr>
+<tr class="rowColor">
+<td class="colFirst"><code>private <a 
href="http://docs.oracle.com/javase/7/docs/api/java/util/Set.html?is-external=true";
 title="class or interface in java.util">Set</a>&lt;<a 
href="../../../../../org/apache/hadoop/hbase/HRegionInfo.html" title="class in 
org.apache.hadoop.hbase">HRegionInfo</a>&gt;</code></td>
+<td class="colLast"><code><strong><a 
href="../../../../../org/apache/hadoop/hbase/rsgroup/RSGroupBasedLoadBalancer.html#getMisplacedRegions(java.util.Map)">getMisplacedRegions</a></strong>(<a
 
href="http://docs.oracle.com/javase/7/docs/api/java/util/Map.html?is-external=true";
 title="class or interface in java.util">Map</a>&lt;<a 
href="../../../../../org/apache/hadoop/hbase/HRegionInfo.html" title="class in 
org.apache.hadoop.hbase">HRegionInfo</a>,<a 
href="../../../../../org/apache/hadoop/hbase/ServerName.html" title="class in 
org.apache.hadoop.hbase">ServerName</a>&gt;&nbsp;regions)</code>&nbsp;</td>
+</tr>
+<tr class="altColor">
+<td class="colFirst"><code>private 
com.google.common.collect.ListMultimap&lt;<a 
href="http://docs.oracle.com/javase/7/docs/api/java/lang/String.html?is-external=true";
 title="class or interface in java.lang">String</a>,<a 
href="../../../../../org/apache/hadoop/hbase/HRegionInfo.html" title="class in 
org.apache.hadoop.hbase">HRegionInfo</a>&gt;</code></td>
+<td class="colLast"><code><strong><a 
href="../../../../../org/apache/hadoop/hbase/rsgroup/RSGroupBasedLoadBalancer.html#groupRegions(java.util.List)">groupRegions</a></strong>(<a
 
href="http://docs.oracle.com/javase/7/docs/api/java/util/List.html?is-external=true";
 title="class or interface in java.util">List</a>&lt;<a 
href="../../../../../org/apache/hadoop/hbase/HRegionInfo.html" title="class in 
org.apache.hadoop.hbase">HRegionInfo</a>&gt;&nbsp;regionList)</code>&nbsp;</td>
+</tr>
+<tr class="rowColor">
+<td class="colFirst"><code>void</code></td>
+<td class="colLast"><code><strong><a 
href="../../../../../org/apache/hadoop/hbase/rsgroup/RSGroupBasedLoadBalancer.html#initialize()">initialize</a></strong>()</code>
+<div class="block">Initialize the load balancer.</div>
+</td>
+</tr>
+<tr class="altColor">
+<td class="colFirst"><code>boolean</code></td>
+<td class="colLast"><code><strong><a 
href="../../../../../org/apache/hadoop/hbase/rsgroup/RSGroupBasedLoadBalancer.html#isOnline()">isOnline</a></strong>()</code>&nbsp;</td>
+</tr>
+<tr class="rowColor">
+<td class="colFirst"><code>boolean</code></td>
+<td class="colLast"><code><strong><a 
href="../../../../../org/apache/hadoop/hbase/rsgroup/RSGroupBasedLoadBalancer.html#isStopped()">isStopped</a></strong>()</code>&nbsp;</td>
+</tr>
+<tr class="altColor">
+<td class="colFirst"><code>void</code></td>
+<td class="colLast"><code><strong><a 
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href="../../../../../org/apache/hadoop/hbase/HBaseIOException.html" 
title="class in org.apache.hadoop.hbase">HBaseIOException</a></code></dd></dl>
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href="../../../../../org/apache/hadoop/hbase/ServerName.html" title="class in 
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href="../../../../../org/apache/hadoop/hbase/master/LoadBalancer.html#randomAssignment(org.apache.hadoop.hbase.HRegionInfo,%20java.util.List)">LoadBalancer</a></code></strong></div>
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href="../../../../../org/apache/hadoop/hbase/master/LoadBalancer.html#regionOnline(org.apache.hadoop.hbase.HRegionInfo,%20org.apache.hadoop.hbase.ServerName)">LoadBalancer</a></code></strong></div>
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