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It provides the the functions used to by @@ -236,6 +236,10 @@ implements <a href="../../../../../../org/apache/hadoop/hbase/master/LoadBalance <td class="colFirst"><code>protected boolean</code></td> <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/hbase/master/balancer/BaseLoadBalancer.html#tablesOnMaster">tablesOnMaster</a></span></code> </td> </tr> +<tr class="rowColor"> +<td class="colFirst"><code>protected boolean</code></td> +<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/hbase/master/balancer/BaseLoadBalancer.html#useRegionFinder">useRegionFinder</a></span></code> </td> +</tr> </table> <ul class="blockList"> <li class="blockList"><a name="fields.inherited.from.class.org.apache.hadoop.hbase.master.LoadBalancer"> @@ -315,39 +319,43 @@ implements <a href="../../../../../../org/apache/hadoop/hbase/master/LoadBalance boolean forceRefresh)</code> </td> </tr> <tr id="i4" class="altColor"> +<td class="colFirst"><code>private void</code></td> +<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/hbase/master/balancer/BaseLoadBalancer.html#createRegionFinder--">createRegionFinder</a></span>()</code> </td> +</tr> +<tr id="i5" class="rowColor"> <td class="colFirst"><code>private <a href="http://docs.oracle.com/javase/8/docs/api/java/util/List.html?is-external=true"; title="class or interface in java.util">List</a><<a href="../../../../../../org/apache/hadoop/hbase/ServerName.html" title="class in org.apache.hadoop.hbase">ServerName</a>></code></td> <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/hbase/master/balancer/BaseLoadBalancer.html#findIdleServers-java.util.List-">findIdleServers</a></span>(<a href="http://docs.oracle.com/javase/8/docs/api/java/util/List.html?is-external=true"; title="class or interface in java.util">List</a><<a href="../../../../../../org/apache/hadoop/hbase/ServerName.html" title="class in org.apache.hadoop.hbase">ServerName</a>> servers)</code> </td> </tr> -<tr id="i5" class="rowColor"> +<tr id="i6" class="altColor"> <td class="colFirst"><code>org.apache.hadoop.conf.Configuration</code></td> <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/hbase/master/balancer/BaseLoadBalancer.html#getConf--">getConf</a></span>()</code> </td> </tr> -<tr id="i6" class="altColor"> +<tr id="i7" class="rowColor"> <td class="colFirst"><code>protected <a href="http://docs.oracle.com/javase/8/docs/api/java/util/Map.html?is-external=true"; title="class or interface in java.util">Map</a><<a href="../../../../../../org/apache/hadoop/hbase/ServerName.html" title="class in org.apache.hadoop.hbase">ServerName</a>,<a href="http://docs.oracle.com/javase/8/docs/api/java/util/List.html?is-external=true"; title="class or interface in java.util">List</a><<a href="../../../../../../org/apache/hadoop/hbase/HRegionInfo.html" title="class in org.apache.hadoop.hbase">HRegionInfo</a>>></code></td> <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/hbase/master/balancer/BaseLoadBalancer.html#getRegionAssignmentsByServer-java.util.Collection-">getRegionAssignmentsByServer</a></span>(<a href="http://docs.oracle.com/javase/8/docs/api/java/util/Collection.html?is-external=true"; title="class or interface in java.util">Collection</a><<a href="../../../../../../org/apache/hadoop/hbase/HRegionInfo.html" title="class in org.apache.hadoop.hbase">HRegionInfo</a>> regions)</code> </td> </tr> -<tr id="i7" class="rowColor"> +<tr id="i8" class="altColor"> <td class="colFirst"><code>void</code></td> <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/hbase/master/balancer/BaseLoadBalancer.html#initialize--">initialize</a></span>()</code> <div class="block">Initialize the load balancer.</div> </td> </tr> -<tr id="i8" class="altColor"> +<tr id="i9" class="rowColor"> <td class="colFirst"><code>boolean</code></td> <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/hbase/master/balancer/BaseLoadBalancer.html#isStopped--">isStopped</a></span>()</code> </td> </tr> -<tr id="i9" class="rowColor"> +<tr id="i10" class="altColor"> <td class="colFirst"><code>protected boolean</code></td> <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/hbase/master/balancer/BaseLoadBalancer.html#needsBalance-org.apache.hadoop.hbase.master.balancer.BaseLoadBalancer.Cluster-">needsBalance</a></span>(<a href="../../../../../../org/apache/hadoop/hbase/master/balancer/BaseLoadBalancer.Cluster.html" title="class in org.apache.hadoop.hbase.master.balancer">BaseLoadBalancer.Cluster</a> c)</code> </td> </tr> -<tr id="i10" class="altColor"> +<tr id="i11" class="rowColor"> <td class="colFirst"><code>void</code></td> <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/hbase/master/balancer/BaseLoadBalancer.html#onConfigurationChange-org.apache.hadoop.conf.Configuration-">onConfigurationChange</a></span>(org.apache.hadoop.conf.Configuration conf)</code> <div class="block">This method would be called by the <a href="../../../../../../org/apache/hadoop/hbase/conf/ConfigurationManager.html" title="class in org.apache.hadoop.hbase.conf"><code>ConfigurationManager</code></a> object when the <code>Configuration</code> object is reloaded from disk.</div> </td> </tr> -<tr id="i11" class="rowColor"> +<tr id="i12" class="altColor"> <td class="colFirst"><code>private <a href="../../../../../../org/apache/hadoop/hbase/ServerName.html" title="class in org.apache.hadoop.hbase">ServerName</a></code></td> <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/hbase/master/balancer/BaseLoadBalancer.html#randomAssignment-org.apache.hadoop.hbase.master.balancer.BaseLoadBalancer.Cluster-org.apache.hadoop.hbase.HRegionInfo-java.util.List-">randomAssignment</a></span>(<a href="../../../../../../org/apache/hadoop/hbase/master/balancer/BaseLoadBalancer.Cluster.html" title="class in org.apache.hadoop.hbase.master.balancer">BaseLoadBalancer.Cluster</a> cluster, <a href="../../../../../../org/apache/hadoop/hbase/HRegionInfo.html" title="class in org.apache.hadoop.hbase">HRegionInfo</a> regionInfo, @@ -355,27 +363,27 @@ implements <a href="../../../../../../org/apache/hadoop/hbase/master/LoadBalance <div class="block">Used to assign a single region to a random server.</div> </td> </tr> -<tr id="i12" class="altColor"> +<tr id="i13" class="rowColor"> <td class="colFirst"><code><a href="../../../../../../org/apache/hadoop/hbase/ServerName.html" title="class in org.apache.hadoop.hbase">ServerName</a></code></td> <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/hbase/master/balancer/BaseLoadBalancer.html#randomAssignment-org.apache.hadoop.hbase.HRegionInfo-java.util.List-">randomAssignment</a></span>(<a href="../../../../../../org/apache/hadoop/hbase/HRegionInfo.html" title="class in org.apache.hadoop.hbase">HRegionInfo</a> regionInfo, <a href="http://docs.oracle.com/javase/8/docs/api/java/util/List.html?is-external=true"; title="class or interface in java.util">List</a><<a href="../../../../../../org/apache/hadoop/hbase/ServerName.html" title="class in org.apache.hadoop.hbase">ServerName</a>> servers)</code> <div class="block">Used to assign a single region to a random server.</div> </td> </tr> -<tr id="i13" class="rowColor"> +<tr id="i14" class="altColor"> <td class="colFirst"><code>void</code></td> <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/hbase/master/balancer/BaseLoadBalancer.html#regionOffline-org.apache.hadoop.hbase.HRegionInfo-">regionOffline</a></span>(<a href="../../../../../../org/apache/hadoop/hbase/HRegionInfo.html" title="class in org.apache.hadoop.hbase">HRegionInfo</a> regionInfo)</code> <div class="block">Marks the region as offline at balancer.</div> </td> </tr> -<tr id="i14" class="altColor"> +<tr id="i15" class="rowColor"> <td class="colFirst"><code>void</code></td> <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/hbase/master/balancer/BaseLoadBalancer.html#regionOnline-org.apache.hadoop.hbase.HRegionInfo-org.apache.hadoop.hbase.ServerName-">regionOnline</a></span>(<a href="../../../../../../org/apache/hadoop/hbase/HRegionInfo.html" title="class in org.apache.hadoop.hbase">HRegionInfo</a> regionInfo, <a href="../../../../../../org/apache/hadoop/hbase/ServerName.html" title="class in org.apache.hadoop.hbase">ServerName</a> sn)</code> <div class="block">Marks the region as online at balancer.</div> </td> </tr> -<tr id="i15" class="rowColor"> +<tr id="i16" class="altColor"> <td class="colFirst"><code><a href="http://docs.oracle.com/javase/8/docs/api/java/util/Map.html?is-external=true"; title="class or interface in java.util">Map</a><<a href="../../../../../../org/apache/hadoop/hbase/ServerName.html" title="class in org.apache.hadoop.hbase">ServerName</a>,<a href="http://docs.oracle.com/javase/8/docs/api/java/util/List.html?is-external=true"; title="class or interface in java.util">List</a><<a href="../../../../../../org/apache/hadoop/hbase/HRegionInfo.html" title="class in org.apache.hadoop.hbase">HRegionInfo</a>>></code></td> <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/hbase/master/balancer/BaseLoadBalancer.html#retainAssignment-java.util.Map-java.util.List-">retainAssignment</a></span>(<a href="http://docs.oracle.com/javase/8/docs/api/java/util/Map.html?is-external=true"; title="class or interface in java.util">Map</a><<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>> regions, <a href="http://docs.oracle.com/javase/8/docs/api/java/util/List.html?is-external=true"; title="class or interface in java.util">List</a><<a href="../../../../../../org/apache/hadoop/hbase/ServerName.html" title="class in org.apache.hadoop.hbase">ServerName</a>> servers)</code> @@ -384,7 +392,7 @@ implements <a href="../../../../../../org/apache/hadoop/hbase/master/LoadBalance available/online servers available for assignment.</div> </td> </tr> -<tr id="i16" class="altColor"> +<tr id="i17" class="rowColor"> <td class="colFirst"><code>private void</code></td> <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/hbase/master/balancer/BaseLoadBalancer.html#roundRobinAssignment-org.apache.hadoop.hbase.master.balancer.BaseLoadBalancer.Cluster-java.util.List-java.util.List-java.util.List-java.util.Map-">roundRobinAssignment</a></span>(<a href="../../../../../../org/apache/hadoop/hbase/master/balancer/BaseLoadBalancer.Cluster.html" title="class in org.apache.hadoop.hbase.master.balancer">BaseLoadBalancer.Cluster</a> cluster, <a href="http://docs.oracle.com/javase/8/docs/api/java/util/List.html?is-external=true"; title="class or interface in java.util">List</a><<a href="../../../../../../org/apache/hadoop/hbase/HRegionInfo.html" title="class in org.apache.hadoop.hbase">HRegionInfo</a>> regions, @@ -394,7 +402,7 @@ implements <a href="../../../../../../org/apache/hadoop/hbase/master/LoadBalance <div class="block">Round robin a list of regions to a list of servers</div> </td> </tr> -<tr id="i17" class="rowColor"> +<tr id="i18" class="altColor"> <td class="colFirst"><code><a href="http://docs.oracle.com/javase/8/docs/api/java/util/Map.html?is-external=true"; title="class or interface in java.util">Map</a><<a href="../../../../../../org/apache/hadoop/hbase/ServerName.html" title="class in org.apache.hadoop.hbase">ServerName</a>,<a href="http://docs.oracle.com/javase/8/docs/api/java/util/List.html?is-external=true"; title="class or interface in java.util">List</a><<a href="../../../../../../org/apache/hadoop/hbase/HRegionInfo.html" title="class in org.apache.hadoop.hbase">HRegionInfo</a>>></code></td> <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/hbase/master/balancer/BaseLoadBalancer.html#roundRobinAssignment-java.util.List-java.util.List-">roundRobinAssignment</a></span>(<a href="http://docs.oracle.com/javase/8/docs/api/java/util/List.html?is-external=true"; title="class or interface in java.util">List</a><<a href="../../../../../../org/apache/hadoop/hbase/HRegionInfo.html" title="class in org.apache.hadoop.hbase">HRegionInfo</a>> regions, <a href="http://docs.oracle.com/javase/8/docs/api/java/util/List.html?is-external=true"; title="class or interface in java.util">List</a><<a href="../../../../../../org/apache/hadoop/hbase/ServerName.html" title="class in org.apache.hadoop.hbase">ServerName</a>> servers)</code> @@ -402,43 +410,43 @@ implements <a href="../../../../../../org/apache/hadoop/hbase/master/LoadBalance simple round-robin assignment.</div> </td> </tr> -<tr id="i18" class="altColor"> +<tr id="i19" class="rowColor"> <td class="colFirst"><code>void</code></td> <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/hbase/master/balancer/BaseLoadBalancer.html#setClusterLoad-java.util.Map-">setClusterLoad</a></span>(<a href="http://docs.oracle.com/javase/8/docs/api/java/util/Map.html?is-external=true"; title="class or interface in java.util">Map</a><<a href="../../../../../../org/apache/hadoop/hbase/TableName.html" title="class in org.apache.hadoop.hbase">TableName</a>,<a href="http://docs.oracle.com/javase/8/docs/api/java/util/Map.html?is-external=true"; title="class or interface in java.util">Map</a><<a href="../../../../../../org/apache/hadoop/hbase/ServerName.html" title="class in org.apache.hadoop.hbase">ServerName</a>,<a href="http://docs.oracle.com/javase/8/docs/api/java/util/List.html?is-external=true"; title="class or interface in java.util">List</a><<a href="../../../../../../org/apache/hadoop/hbase/HRegionInfo.html" title="class in org.apache.hadoop.hbase">HRegionInfo</a>>>& gt; clusterLoad)</code> <div class="block">Pass RegionStates and allow balancer to set the current cluster load.</div> </td> </tr> -<tr id="i19" class="rowColor"> +<tr id="i20" class="altColor"> <td class="colFirst"><code>void</code></td> <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/hbase/master/balancer/BaseLoadBalancer.html#setClusterStatus-org.apache.hadoop.hbase.ClusterStatus-">setClusterStatus</a></span>(<a href="../../../../../../org/apache/hadoop/hbase/ClusterStatus.html" title="class in org.apache.hadoop.hbase">ClusterStatus</a> st)</code> <div class="block">Set the current cluster status.</div> </td> </tr> -<tr id="i20" class="altColor"> +<tr id="i21" class="rowColor"> <td class="colFirst"><code>void</code></td> <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/hbase/master/balancer/BaseLoadBalancer.html#setConf-org.apache.hadoop.conf.Configuration-">setConf</a></span>(org.apache.hadoop.conf.Configuration conf)</code> </td> </tr> -<tr id="i21" class="rowColor"> +<tr id="i22" class="altColor"> <td class="colFirst"><code>void</code></td> <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/hbase/master/balancer/BaseLoadBalancer.html#setMasterServices-org.apache.hadoop.hbase.master.MasterServices-">setMasterServices</a></span>(<a href="../../../../../../org/apache/hadoop/hbase/master/MasterServices.html" title="interface in org.apache.hadoop.hbase.master">MasterServices</a> masterServices)</code> <div class="block">Set the master service.</div> </td> </tr> -<tr id="i22" class="altColor"> +<tr id="i23" class="rowColor"> <td class="colFirst"><code>void</code></td> <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/hbase/master/balancer/BaseLoadBalancer.html#setRackManager-org.apache.hadoop.hbase.master.RackManager-">setRackManager</a></span>(<a href="../../../../../../org/apache/hadoop/hbase/master/RackManager.html" title="class in org.apache.hadoop.hbase.master">RackManager</a> rackManager)</code> </td> </tr> -<tr id="i23" class="rowColor"> +<tr id="i24" class="altColor"> <td class="colFirst"><code>protected void</code></td> <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/hbase/master/balancer/BaseLoadBalancer.html#setSlop-org.apache.hadoop.conf.Configuration-">setSlop</a></span>(org.apache.hadoop.conf.Configuration conf)</code> </td> </tr> -<tr id="i24" class="altColor"> +<tr id="i25" class="rowColor"> <td class="colFirst"><code>boolean</code></td> <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/hbase/master/balancer/BaseLoadBalancer.html#shouldBeOnMaster-org.apache.hadoop.hbase.HRegionInfo-">shouldBeOnMaster</a></span>(<a href="../../../../../../org/apache/hadoop/hbase/HRegionInfo.html" title="class in org.apache.hadoop.hbase">HRegionInfo</a> region)</code> <div class="block">Check if a region belongs to some system table.</div> </td> </tr> -<tr id="i25" class="rowColor"> +<tr id="i26" class="altColor"> <td class="colFirst"><code>void</code></td> <td 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