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Posted to commits@hbase.apache.org by gi...@apache.org on 2021/11/03 19:50:06 UTC
[hbase-site] branch asf-site updated: Published site at
6a78f0f18868352200c42de631a6414796ed1f62.
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git-site-role pushed a commit to branch asf-site
in repository https://gitbox.apache.org/repos/asf/hbase-site.git
The following commit(s) were added to refs/heads/asf-site by this push:
new 6b69ade Published site at 6a78f0f18868352200c42de631a6414796ed1f62.
6b69ade is described below
commit 6b69adeddd24649e422a56820c45d4da3a95bc53
Author: jenkins <bu...@apache.org>
AuthorDate: Wed Nov 3 19:49:33 2021 +0000
Published site at 6a78f0f18868352200c42de631a6414796ed1f62.
---
acid-semantics.html | 2 +-
apache_hbase_reference_guide.pdf | 4 +-
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dependencies.html | 2 +-
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.../master/balancer/TableSkewCostFunction.html | 69 +-
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.../BalancerClusterState.DefaultRackManager.html | 1497 ++++++++++----------
.../BalancerClusterState.LocalityType.html | 1497 ++++++++++----------
.../master/balancer/BalancerClusterState.html | 1497 ++++++++++----------
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.../balancer/RegionCountSkewCostFunction.html | 91 +-
.../master/balancer/TableSkewCostFunction.html | 56 +-
downloads.html | 18 +-
export_control.html | 2 +-
index.html | 2 +-
issue-tracking.html | 2 +-
mail-lists.html | 2 +-
metrics.html | 2 +-
old_news.html | 2 +-
plugin-management.html | 2 +-
plugins.html | 2 +-
poweredbyhbase.html | 2 +-
project-info.html | 2 +-
project-reports.html | 2 +-
project-summary.html | 2 +-
pseudo-distributed.html | 2 +-
replication.html | 2 +-
resources.html | 2 +-
source-repository.html | 2 +-
sponsors.html | 2 +-
supportingprojects.html | 2 +-
team-list.html | 2 +-
.../balancer/StochasticBalancerTestBase.html | 6 +-
.../balancer/StochasticBalancerTestBase2.html | 2 +-
.../master/balancer/TestBaseLoadBalancer.html | 10 +-
.../balancer/TestStochasticBalancerJmxMetrics.html | 12 +-
.../TestStochasticLoadBalancer.MockCluster.html | 67 +-
...rRegionReplicaWithRacks.ForTestRackManager.html | 2 +-
...ochasticLoadBalancerRegionReplicaWithRacks.html | 4 +-
.../balancer/StochasticBalancerTestBase.html | 173 ++-
.../balancer/StochasticBalancerTestBase2.html | 27 +-
.../TestBaseLoadBalancer.MockBalancer.html | 362 +++--
.../master/balancer/TestBaseLoadBalancer.html | 362 +++--
.../hbase/master/balancer/TestDoubleArrayCost.html | 2 +-
.../balancer/TestStochasticBalancerJmxMetrics.html | 367 +++--
.../TestStochasticLoadBalancer.MockCluster.html | 6 +-
.../balancer/TestStochasticLoadBalancer.html | 6 +-
.../TestStochasticLoadBalancerBalanceCluster.html | 43 +-
.../TestStochasticLoadBalancerLargeCluster.html | 9 +-
...ochasticLoadBalancerRegionReplicaSameHosts.html | 49 +-
...rRegionReplicaWithRacks.ForTestRackManager.html | 100 +-
...ochasticLoadBalancerRegionReplicaWithRacks.html | 100 +-
.../TestStochasticLoadBalancerSmallCluster.html | 2 +-
90 files changed, 3470 insertions(+), 3584 deletions(-)
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<p>Copyright ©2007–2021
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diff --git a/apache_hbase_reference_guide.pdf b/apache_hbase_reference_guide.pdf
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Version 3.0.0-alpha-2-SNAPSHOT<br>
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<p>Copyright ©2007–2021
<a href="https://www.apache.org/">The Apache Software Foundation</a>.
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<p id="poweredBy" class="pull-right"><a href="http://maven.apache.org/" title="Built by Maven" class="poweredBy"><img class="builtBy" alt="Built by Maven" src="./images/logos/maven-feather.png" /></a>
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<p id="poweredBy" class="pull-right"><a href="http://maven.apache.org/" title="Built by Maven" class="poweredBy"><img class="builtBy" alt="Built by Maven" src="./images/logos/maven-feather.png" /></a>
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<p id="poweredBy" class="pull-right"><a href="http://maven.apache.org/" title="Built by Maven" class="poweredBy"><img class="builtBy" alt="Built by Maven" src="./images/logos/maven-feather.png" /></a>
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<p id="poweredBy" class="pull-right"><a href="http://maven.apache.org/" title="Built by Maven" class="poweredBy"><img class="builtBy" alt="Built by Maven" src="./images/logos/maven-feather.png" /></a>
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<dt><span class="memberNameLink"><a href="org/apache/hadoop/hbase/master/balancer/RegionHDFSBlockLocationFinder.html#LOG">LOG</a></span> - Static variable in class org.apache.hadoop.hbase.master.balancer.<a href="org/apache/hadoop/hbase/master/balancer/RegionHDFSBlockLocationFinder.html" title="class in org.apache.hadoop.hbase.master.balancer">RegionHDFSBlockLocationFinder</a></dt>
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<dt><span class="memberNameLink"><a href="org/apache/hadoop/hbase/master/balancer/SimpleLoadBalancer.html#LOG">LOG</a></span> - Static variable in class org.apache.hadoop.hbase.master.balancer.<a href="org/apache/hadoop/hbase/master/balancer/SimpleLoadBalancer.html" title="class in org.apache.hadoop.hbase.master.balancer">SimpleLoadBalancer</a></dt>
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<dt><span class="memberNameLink"><a href="org/apache/hadoop/hbase/master/AssignmentVerificationReport.html#maxRegionsOnRS">maxRegionsOnRS</a></span> - Variable in class org.apache.hadoop.hbase.master.<a href="org/apache/hadoop/hbase/master/AssignmentVerificationReport.html" title="class in org.apache.hadoop.hbase.master">AssignmentVerificationReport</a></dt>
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<dt><span class="memberNameLink"><a href="org/apache/hadoop/hbase/master/AssignmentVerificationReport.html#minRegionsOnRS">minRegionsOnRS</a></span> - Variable in class org.apache.hadoop.hbase.master.<a href="org/apache/hadoop/hbase/master/AssignmentVerificationReport.html" title="class in org.apache.hadoop.hbase.master">AssignmentVerificationReport</a></dt>
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<dt><span class="memberNameLink"><a href="org/apache/hadoop/hbase/regionserver/compactions/Compactor.FileDetails.html#minSeqIdToKeep">minSeqIdToKeep</a></span> - Variable in class org.apache.hadoop.hbase.regionserver.compactions.<a href="org/apache/hadoop/hbase/regionserver/compactions/Compactor.FileDetails.html" title="class in org.apache.hadoop.hbase.regionserver.compactions">Compactor.FileDetails</a></dt>
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<span class="sourceLineNo">088</span> int[] numRegionsPerTable; // tableIndex -> region count<a name="line.88"></a>
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diff --git a/devapidocs/src-html/org/apache/hadoop/hbase/master/balancer/BalancerClusterState.LocalityType.html b/devapidocs/src-html/org/apache/hadoop/hbase/master/balancer/BalancerClusterState.LocalityType.html
index 73b1bbc..7527ec5 100644
--- a/devapidocs/src-html/org/apache/hadoop/hbase/master/balancer/BalancerClusterState.LocalityType.html
+++ b/devapidocs/src-html/org/apache/hadoop/hbase/master/balancer/BalancerClusterState.LocalityType.html
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+<span class="sourceLineNo">117</span><a name="line.117"></a>
+<span class="sourceLineNo">118</span> static class DefaultRackManager extends RackManager {<a name="line.118"></a>
+<span class="sourceLineNo">119</span> @Override<a name="line.119"></a>
+<span class="sourceLineNo">120</span> public String getRack(ServerName server) {<a name="line.120"></a>
+<span class="sourceLineNo">121</span> return UNKNOWN_RACK;<a name="line.121"></a>
+<span class="sourceLineNo">122</span> }<a name="line.122"></a>
+<span class="sourceLineNo">123</span> }<a name="line.123"></a>
+<span class="sourceLineNo">124</span><a name="line.124"></a>
+<span class="sourceLineNo">125</span> BalancerClusterState(Map<ServerName, List<RegionInfo>> clusterState,<a name="line.125"></a>
+<span class="sourceLineNo">126</span> Map<String, Deque<BalancerRegionLoad>> loads, RegionHDFSBlockLocationFinder regionFinder,<a name="line.126"></a>
+<span class="sourceLineNo">127</span> RackManager rackManager) {<a name="line.127"></a>
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+<span class="sourceLineNo">130</span><a name="line.130"></a>
+<span class="sourceLineNo">131</span> @SuppressWarnings("unchecked")<a name="line.131"></a>
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+<span class="sourceLineNo">138</span><a name="line.138"></a>
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+<span class="sourceLineNo">142</span> tablesToIndex = new HashMap<>();<a name="line.142"></a>
+<span class="sourceLineNo">143</span><a name="line.143"></a>
+<span class="sourceLineNo">144</span> // TODO: We should get the list of tables from master<a name="line.144"></a>
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+<span class="sourceLineNo">147</span><a name="line.147"></a>
+<span class="sourceLineNo">148</span> numRegions = 0;<a name="line.148"></a>
+<span class="sourceLineNo">149</span><a name="line.149"></a>
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+<span class="sourceLineNo">159</span> LOG.warn("TODO: Enable TRACE on BaseLoadBalancer. Empty servername); " +<a name="line.159"></a>
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-<span class="sourceLineNo">204</span> initialRegionIndexToServerIndex = new int[numRegions];<a name="line.204"></a>
-<span class="sourceLineNo">205</span> regionIndexToTableIndex = new int[numRegions];<a name="line.205"></a>
-<span class="sourceLineNo">206</span> regionIndexToPrimaryIndex = new int[numRegions];<a name="line.206"></a>
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-<span class="sourceLineNo">208</span><a name="line.208"></a>
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-<span class="sourceLineNo">211</span> serverIndicesSortedByLocality = new Integer[numServers];<a name="line.211"></a>
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-<span class="sourceLineNo">213</span><a name="line.213"></a>
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-<span class="sourceLineNo">217</span> serverIndexToRegionsOffset = new int[numServers];<a name="line.217"></a>
-<span class="sourceLineNo">218</span> regionsPerHost = new int[numHosts][];<a name="line.218"></a>
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-<span class="sourceLineNo">228</span> LOG.warn("SERVERNAME IS NULL, skipping " + entry.getValue());<a name="line.228"></a>
-<span class="sourceLineNo">229</span> continue;<a name="line.229"></a>
-<span class="sourceLineNo">230</span> }<a name="line.230"></a>
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-<span class="sourceLineNo">237</span> servers[serverIndex] = entry.getKey();<a name="line.237"></a>
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+<span class="sourceLineNo">210</span><a name="line.210"></a>
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+<span class="sourceLineNo">236</span><a name="line.236"></a>
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diff --git a/devapidocs/src-html/org/apache/hadoop/hbase/master/balancer/BalancerClusterState.html b/devapidocs/src-html/org/apache/hadoop/hbase/master/balancer/BalancerClusterState.html
index 73b1bbc..7527ec5 100644
--- a/devapidocs/src-html/org/apache/hadoop/hbase/master/balancer/BalancerClusterState.html
+++ b/devapidocs/src-html/org/apache/hadoop/hbase/master/balancer/BalancerClusterState.html
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<span class="sourceLineNo">084</span> int[] regionIndexToServerIndex; // regionIndex -> serverIndex<a name="line.84"></a>
<span class="sourceLineNo">085</span> int[] initialRegionIndexToServerIndex; // regionIndex -> serverIndex (initial cluster state)<a name="line.85"></a>
<span class="sourceLineNo">086</span> int[] regionIndexToTableIndex; // regionIndex -> tableIndex<a name="line.86"></a>
-<span class="sourceLineNo">087</span> int[][] numRegionsPerServerPerTable; // serverIndex -> tableIndex -> # regions<a name="line.87"></a>
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<span class="sourceLineNo">088</span> int[] numRegionsPerTable; // tableIndex -> region count<a name="line.88"></a>
<span class="sourceLineNo">089</span> double[] meanRegionsPerTable; // mean region count per table<a name="line.89"></a>
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+<span class="sourceLineNo">292</span> LOG.debug("server {} is on host {}",serversPerHostList.get(i).get(j), i);<a name="line.292"></a>
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+<span class="sourceLineNo">303</span> LOG.info("server {} is on rack {}",serversPerRackList.get(i).get(j), i);<a name="line.303"></a>
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<span class="sourceLineNo">328</span><a name="line.328"></a>
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diff --git a/devapidocs/src-html/org/apache/hadoop/hbase/master/balancer/DoubleArrayCost.html b/devapidocs/src-html/org/apache/hadoop/hbase/master/balancer/DoubleArrayCost.html
index 5b77fc3..78b7c06 100644
--- a/devapidocs/src-html/org/apache/hadoop/hbase/master/balancer/DoubleArrayCost.html
+++ b/devapidocs/src-html/org/apache/hadoop/hbase/master/balancer/DoubleArrayCost.html
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+<span class="sourceLineNo">100</span> public static double getMinSkew(double total, double numServers) {<a name="line.100"></a>
+<span class="sourceLineNo">101</span> if (numServers == 0) {<a name="line.101"></a>
+<span class="sourceLineNo">102</span> return 0;<a name="line.102"></a>
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+<span class="sourceLineNo">106</span> double min;<a name="line.106"></a>
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+<span class="sourceLineNo">115</span> }<a name="line.115"></a>
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+<span class="sourceLineNo">118</span><a name="line.118"></a>
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+<span class="sourceLineNo">120</span> * Return the max deviation of distribution<a name="line.120"></a>
+<span class="sourceLineNo">121</span> * Compute max as if all region servers had 0 and one had the sum of all costs. This must be<a name="line.121"></a>
+<span class="sourceLineNo">122</span> * a zero sum cost for this to make sense.<a name="line.122"></a>
+<span class="sourceLineNo">123</span> */<a name="line.123"></a>
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+<span class="sourceLineNo">125</span> if (numServers == 0) {<a name="line.125"></a>
+<span class="sourceLineNo">126</span> return 0;<a name="line.126"></a>
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index 79dc8c5..7f2a398 100644
--- a/devapidocs/src-html/org/apache/hadoop/hbase/master/balancer/MoveCostFunction.html
+++ b/devapidocs/src-html/org/apache/hadoop/hbase/master/balancer/MoveCostFunction.html
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<span class="sourceLineNo">034</span> static final float DEFAULT_MOVE_COST = 7;<a name="line.34"></a>
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<span class="sourceLineNo">039</span> private final float maxMovesPercent;<a name="line.39"></a>
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diff --git a/devapidocs/src-html/org/apache/hadoop/hbase/master/balancer/RegionCountSkewCostFunction.html b/devapidocs/src-html/org/apache/hadoop/hbase/master/balancer/RegionCountSkewCostFunction.html
index 0b9780d..8ebe5f9 100644
--- a/devapidocs/src-html/org/apache/hadoop/hbase/master/balancer/RegionCountSkewCostFunction.html
+++ b/devapidocs/src-html/org/apache/hadoop/hbase/master/balancer/RegionCountSkewCostFunction.html
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<span class="sourceLineNo">019</span><a name="line.19"></a>
<span class="sourceLineNo">020</span>import org.apache.hadoop.conf.Configuration;<a name="line.20"></a>
<span class="sourceLineNo">021</span>import org.apache.yetus.audience.InterfaceAudience;<a name="line.21"></a>
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-<span class="sourceLineNo">037</span> private final DoubleArrayCost cost = new DoubleArrayCost();<a name="line.37"></a>
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+<span class="sourceLineNo">023</span>/**<a name="line.23"></a>
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+<span class="sourceLineNo">025</span> */<a name="line.25"></a>
+<span class="sourceLineNo">026</span>@InterfaceAudience.Private<a name="line.26"></a>
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+<span class="sourceLineNo">029</span> "hbase.master.balancer.stochastic.regionCountCost";<a name="line.29"></a>
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+<span class="sourceLineNo">031</span><a name="line.31"></a>
+<span class="sourceLineNo">032</span> private final DoubleArrayCost cost = new DoubleArrayCost();<a name="line.32"></a>
+<span class="sourceLineNo">033</span><a name="line.33"></a>
+<span class="sourceLineNo">034</span> RegionCountSkewCostFunction(Configuration conf) {<a name="line.34"></a>
+<span class="sourceLineNo">035</span> // Load multiplier should be the greatest as it is the most general way to balance data.<a name="line.35"></a>
+<span class="sourceLineNo">036</span> this.setMultiplier(conf.getFloat(REGION_COUNT_SKEW_COST_KEY, DEFAULT_REGION_COUNT_SKEW_COST));<a name="line.36"></a>
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+<span class="sourceLineNo">043</span> cost.applyCostsChange(costs -> {<a name="line.43"></a>
+<span class="sourceLineNo">044</span> for (int i = 0; i < cluster.numServers; i++) {<a name="line.44"></a>
+<span class="sourceLineNo">045</span> costs[i] = cluster.regionsPerServer[i].length;<a name="line.45"></a>
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+<span class="sourceLineNo">049</span><a name="line.49"></a>
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+<span class="sourceLineNo">054</span><a name="line.54"></a>
+<span class="sourceLineNo">055</span> @Override<a name="line.55"></a>
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+<span class="sourceLineNo">057</span> cost.applyCostsChange(costs -> {<a name="line.57"></a>
+<span class="sourceLineNo">058</span> costs[oldServer] = cluster.regionsPerServer[oldServer].length;<a name="line.58"></a>
+<span class="sourceLineNo">059</span> costs[newServer] = cluster.regionsPerServer[newServer].length;<a name="line.59"></a>
+<span class="sourceLineNo">060</span> });<a name="line.60"></a>
<span class="sourceLineNo">061</span> }<a name="line.61"></a>
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-<span class="sourceLineNo">074</span> }<a name="line.74"></a>
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diff --git a/devapidocs/src-html/org/apache/hadoop/hbase/master/balancer/TableSkewCostFunction.html b/devapidocs/src-html/org/apache/hadoop/hbase/master/balancer/TableSkewCostFunction.html
index d9fdd07..ffd68f9 100644
--- a/devapidocs/src-html/org/apache/hadoop/hbase/master/balancer/TableSkewCostFunction.html
+++ b/devapidocs/src-html/org/apache/hadoop/hbase/master/balancer/TableSkewCostFunction.html
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<span class="sourceLineNo">029</span> private static final String TABLE_SKEW_COST_KEY =<a name="line.29"></a>
<span class="sourceLineNo">030</span> "hbase.master.balancer.stochastic.tableSkewCost";<a name="line.30"></a>
<span class="sourceLineNo">031</span> private static final float DEFAULT_TABLE_SKEW_COST = 35;<a name="line.31"></a>
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-<span class="sourceLineNo">042</span> cluster.maxRegionSkewByTable[tableIdx], cluster.regionSkewByTable[tableIdx]);<a name="line.42"></a>
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diff --git a/downloads.html b/downloads.html
index c418384..5fe8774 100644
--- a/downloads.html
+++ b/downloads.html
@@ -213,29 +213,29 @@
<tr class="a">
<td style="test-align: left">
- 2.4.7
+ 2.4.8
</td>
<td style="test-align: left">
- 2021/10/18
+ 2021/11/03
</td>
<td style="test-align: left">
- <a class="externalLink" href="https://downloads.apache.org/hbase/2.4.7/api_compare_2.4.6_to_2.4.7RC0.html">2.4.7 vs 2.4.6</a>
+ <a class="externalLink" href="https://downloads.apache.org/hbase/2.4.8/api_compare_2.4.7_to_2.4.8RC0.html">2.4.8 vs 2.4.7</a>
</td>
<td style="test-align: left">
- <a class="externalLink" href="https://downloads.apache.org/hbase/2.4.7/CHANGES.md">Changes</a>
+ <a class="externalLink" href="https://downloads.apache.org/hbase/2.4.8/CHANGES.md">Changes</a>
</td>
<td style="test-align: left">
- <a class="externalLink" href="https://downloads.apache.org/hbase/2.4.7/RELEASENOTES.md">Release Notes</a>
+ <a class="externalLink" href="https://downloads.apache.org/hbase/2.4.8/RELEASENOTES.md">Release Notes</a>
</td>
<td style="test-align: left">
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<p>Copyright ©2007–2021
<a href="https://www.apache.org/">The Apache Software Foundation</a>.
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+All rights reserved. <li id="publishDate" class="pull-right">Last Published: 2021-11-03</li>
</p>
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<p id="poweredBy" class="pull-right"><a href="http://maven.apache.org/" title="Built by Maven" class="poweredBy"><img class="builtBy" alt="Built by Maven" src="./images/logos/maven-feather.png" /></a>
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<p>Copyright ©2007–2021
<a href="https://www.apache.org/">The Apache Software Foundation</a>.
-All rights reserved. <li id="publishDate" class="pull-right">Last Published: 2021-11-02</li>
+All rights reserved. <li id="publishDate" class="pull-right">Last Published: 2021-11-03</li>
</p>
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<p id="poweredBy" class="pull-right"><a href="http://maven.apache.org/" title="Built by Maven" class="poweredBy"><img class="builtBy" alt="Built by Maven" src="./images/logos/maven-feather.png" /></a>
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<p>Copyright ©2007–2021
<a href="https://www.apache.org/">The Apache Software Foundation</a>.
-All rights reserved. <li id="publishDate" class="pull-right">Last Published: 2021-11-02</li>
+All rights reserved. <li id="publishDate" class="pull-right">Last Published: 2021-11-03</li>
</p>
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<p id="poweredBy" class="pull-right"><a href="http://maven.apache.org/" title="Built by Maven" class="poweredBy"><img class="builtBy" alt="Built by Maven" src="./images/logos/maven-feather.png" /></a>
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<a href="https://www.apache.org/">The Apache Software Foundation</a>.
-All rights reserved. <li id="publishDate" class="pull-right">Last Published: 2021-11-02</li>
+All rights reserved. <li id="publishDate" class="pull-right">Last Published: 2021-11-03</li>
</p>
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<p id="poweredBy" class="pull-right"><a href="http://maven.apache.org/" title="Built by Maven" class="poweredBy"><img class="builtBy" alt="Built by Maven" src="./images/logos/maven-feather.png" /></a>
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<p>Copyright ©2007–2021
<a href="https://www.apache.org/">The Apache Software Foundation</a>.
-All rights reserved. <li id="publishDate" class="pull-right">Last Published: 2021-11-02</li>
+All rights reserved. <li id="publishDate" class="pull-right">Last Published: 2021-11-03</li>
</p>
</div>
<p id="poweredBy" class="pull-right"><a href="http://maven.apache.org/" title="Built by Maven" class="poweredBy"><img class="builtBy" alt="Built by Maven" src="./images/logos/maven-feather.png" /></a>
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<p>Copyright ©2007–2021
<a href="https://www.apache.org/">The Apache Software Foundation</a>.
-All rights reserved. <li id="publishDate" class="pull-right">Last Published: 2021-11-02</li>
+All rights reserved. <li id="publishDate" class="pull-right">Last Published: 2021-11-03</li>
</p>
</div>
<p id="poweredBy" class="pull-right"><a href="http://maven.apache.org/" title="Built by Maven" class="poweredBy"><img class="builtBy" alt="Built by Maven" src="./images/logos/maven-feather.png" /></a>
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<a href="https://www.apache.org/">The Apache Software Foundation</a>.
-All rights reserved. <li id="publishDate" class="pull-right">Last Published: 2021-11-02</li>
+All rights reserved. <li id="publishDate" class="pull-right">Last Published: 2021-11-03</li>
</p>
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<p id="poweredBy" class="pull-right"><a href="http://maven.apache.org/" title="Built by Maven" class="poweredBy"><img class="builtBy" alt="Built by Maven" src="./images/logos/maven-feather.png" /></a>
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<p>Copyright ©2007–2021
<a href="https://www.apache.org/">The Apache Software Foundation</a>.
-All rights reserved. <li id="publishDate" class="pull-right">Last Published: 2021-11-02</li>
+All rights reserved. <li id="publishDate" class="pull-right">Last Published: 2021-11-03</li>
</p>
</div>
<p id="poweredBy" class="pull-right"><a href="http://maven.apache.org/" title="Built by Maven" class="poweredBy"><img class="builtBy" alt="Built by Maven" src="./images/logos/maven-feather.png" /></a>
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<p>Copyright ©2007–2021
<a href="https://www.apache.org/">The Apache Software Foundation</a>.
-All rights reserved. <li id="publishDate" class="pull-right">Last Published: 2021-11-02</li>
+All rights reserved. <li id="publishDate" class="pull-right">Last Published: 2021-11-03</li>
</p>
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<p id="poweredBy" class="pull-right"><a href="http://maven.apache.org/" title="Built by Maven" class="poweredBy"><img class="builtBy" alt="Built by Maven" src="./images/logos/maven-feather.png" /></a>
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<a name="testRegionReplicationOnLargeClusterWithRacks--">
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diff --git a/testdevapidocs/src-html/org/apache/hadoop/hbase/master/balancer/StochasticBalancerTestBase.html b/testdevapidocs/src-html/org/apache/hadoop/hbase/master/balancer/StochasticBalancerTestBase.html
index a598d4f..ccb4ad5 100644
--- a/testdevapidocs/src-html/org/apache/hadoop/hbase/master/balancer/StochasticBalancerTestBase.html
+++ b/testdevapidocs/src-html/org/apache/hadoop/hbase/master/balancer/StochasticBalancerTestBase.html
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-<span class="sourceLineNo">104</span> loadBalancer.setRackManager(rackManager);<a name="line.104"></a>
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-<span class="sourceLineNo">106</span> Map<TableName, Map<ServerName, List<RegionInfo>>> LoadOfAllTable = (Map) mockClusterServersWithTables(serverMap);<a name="line.106"></a>
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-<span class="sourceLineNo">110</span> List<ServerAndLoad> balancedCluster = null;<a name="line.110"></a>
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-<span class="sourceLineNo">116</span> // Print out the cluster loads to make debugging easier.<a name="line.116"></a>
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-<span class="sourceLineNo">119</span> LoadOfAllTable = (Map) mockClusterServersWithTables(serverMap);<a name="line.119"></a>
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-<span class="sourceLineNo">123</span> // Print out the cluster loads to make debugging easier.<a name="line.123"></a>
-<span class="sourceLineNo">124</span> LOG.info("Mock Final balance: " + printMock(balancedCluster));<a name="line.124"></a>
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-<span class="sourceLineNo">126</span> if (assertFullyBalanced) {<a name="line.126"></a>
-<span class="sourceLineNo">127</span> assertNull("Given a requirement to be fully balanced, second attempt at plans should " +<a name="line.127"></a>
-<span class="sourceLineNo">128</span> "produce none.", plans);<a name="line.128"></a>
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+<span class="sourceLineNo">115</span> // Print out the cluster loads to make debugging easier.<a name="line.115"></a>
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+<span class="sourceLineNo">122</span> // Print out the cluster loads to make debugging easier.<a name="line.122"></a>
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diff --git a/testdevapidocs/src-html/org/apache/hadoop/hbase/master/balancer/StochasticBalancerTestBase2.html b/testdevapidocs/src-html/org/apache/hadoop/hbase/master/balancer/StochasticBalancerTestBase2.html
index 11e787b..449cf8d 100644
--- a/testdevapidocs/src-html/org/apache/hadoop/hbase/master/balancer/StochasticBalancerTestBase2.html
+++ b/testdevapidocs/src-html/org/apache/hadoop/hbase/master/balancer/StochasticBalancerTestBase2.html
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+<span class="sourceLineNo">028</span> conf.setFloat("hbase.master.balancer.stochastic.localityCost", 0);<a name="line.28"></a>
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diff --git a/testdevapidocs/src-html/org/apache/hadoop/hbase/master/balancer/TestBaseLoadBalancer.MockBalancer.html b/testdevapidocs/src-html/org/apache/hadoop/hbase/master/balancer/TestBaseLoadBalancer.MockBalancer.html
index 76e22ca..651965f 100644
--- a/testdevapidocs/src-html/org/apache/hadoop/hbase/master/balancer/TestBaseLoadBalancer.MockBalancer.html
+++ b/testdevapidocs/src-html/org/apache/hadoop/hbase/master/balancer/TestBaseLoadBalancer.MockBalancer.html
@@ -363,190 +363,188 @@
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<span class="sourceLineNo">356</span> // now move region1 from servers[0] to servers[2]<a name="line.356"></a>
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-<span class="sourceLineNo">364</span> // start over again<a name="line.364"></a>
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-<span class="sourceLineNo">366</span> List<RegionInfo> list3 = new ArrayList<>();<a name="line.366"></a>
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-<span class="sourceLineNo">368</span> list3.add(hri4);<a name="line.368"></a>
-<span class="sourceLineNo">369</span> clusterState.put(servers[0], list0); //servers[0], rack1 hosts region1<a name="line.369"></a>
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-<span class="sourceLineNo">373</span> // create a cluster with the above clusterState<a name="line.373"></a>
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-<span class="sourceLineNo">375</span> // check whether a move of replica_of_region2 from servers[12],rack3 to servers[0],rack1 would<a name="line.375"></a>
-<span class="sourceLineNo">376</span> // lower the availability<a name="line.376"></a>
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-<span class="sourceLineNo">378</span> // now move region2 from servers[6],rack2 to servers[0],rack1<a name="line.378"></a>
-<span class="sourceLineNo">379</span> cluster.doAction(new MoveRegionAction(2, 2, 0));<a name="line.379"></a>
-<span class="sourceLineNo">380</span> // now repeat check if replica_of_region2 from servers[12],rack3 to servers[0],rack1 would<a name="line.380"></a>
-<span class="sourceLineNo">381</span> // lower the availability<a name="line.381"></a>
-<span class="sourceLineNo">382</span> assertTrue(cluster.wouldLowerAvailability(hri3, servers[0]));<a name="line.382"></a>
-<span class="sourceLineNo">383</span> }<a name="line.383"></a>
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-<span class="sourceLineNo">385</span> private List<ServerName> getListOfServerNames(final List<ServerAndLoad> sals) {<a name="line.385"></a>
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-<span class="sourceLineNo">389</span> /**<a name="line.389"></a>
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-<span class="sourceLineNo">402</span> Set<ServerName> onlineServerSet = new TreeSet<>(servers);<a name="line.402"></a>
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-<span class="sourceLineNo">435</span> // sharing same host and port<a name="line.435"></a>
-<span class="sourceLineNo">436</span> List<ServerName> servers = getListOfServerNames(randomServers(10, 10));<a name="line.436"></a>
-<span class="sourceLineNo">437</span> List<RegionInfo> regions = randomRegions(101);<a name="line.437"></a>
-<span class="sourceLineNo">438</span> Map<ServerName, List<RegionInfo>> clusterState = new TreeMap<>();<a name="line.438"></a>
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+<span class="sourceLineNo">359</span> // would lower availability<a name="line.359"></a>
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+<span class="sourceLineNo">362</span> // start over again<a name="line.362"></a>
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+<span class="sourceLineNo">364</span> List<RegionInfo> list3 = new ArrayList<>();<a name="line.364"></a>
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+<span class="sourceLineNo">367</span> clusterState.put(servers[0], list0); //servers[0], rack1 hosts region1<a name="line.367"></a>
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+<span class="sourceLineNo">387</span> /**<a name="line.387"></a>
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+<span class="sourceLineNo">446</span><a name="line.446"></a>
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+<span class="sourceLineNo">448</span> assignRegions(regions, oldServers, clusterState);<a name="line.448"></a>
+<span class="sourceLineNo">449</span><a name="line.449"></a>
+<span class="sourceLineNo">450</span> // should not throw exception:<a name="line.450"></a>
+<span class="sourceLineNo">451</span> BalancerClusterState cluster = new BalancerClusterState(clusterState, null, null, null);<a name="line.451"></a>
+<span class="sourceLineNo">452</span> assertEquals(101 + 9, cluster.numRegions);<a name="line.452"></a>
+<span class="sourceLineNo">453</span> assertEquals(10, cluster.numServers); // only 10 servers because they share the same host + port<a name="line.453"></a>
+<span class="sourceLineNo">454</span><a name="line.454"></a>
+<span class="sourceLineNo">455</span> // test move<a name="line.455"></a>
+<span class="sourceLineNo">456</span> ServerName sn = oldServers.get(0);<a name="line.456"></a>
+<span class="sourceLineNo">457</span> int r0 = ArrayUtils.indexOf(cluster.regions, clusterState.get(sn).get(0));<a name="line.457"></a>
+<span class="sourceLineNo">458</span> int f0 = cluster.serversToIndex.get(sn.getAddress());<a name="line.458"></a>
+<span class="sourceLineNo">459</span> int t0 = cluster.serversToIndex.get(servers.get(1).getAddress());<a name="line.459"></a>
+<span class="sourceLineNo">460</span> cluster.doAction(new MoveRegionAction(r0, f0, t0));<a name="line.460"></a>
+<span class="sourceLineNo">461</span> }<a name="line.461"></a>
+<span class="sourceLineNo">462</span><a name="line.462"></a>
+<span class="sourceLineNo">463</span> private void assignRegions(List<RegionInfo> regions, List<ServerName> servers,<a name="line.463"></a>
+<span class="sourceLineNo">464</span> Map<ServerName, List<RegionInfo>> clusterState) {<a name="line.464"></a>
+<span class="sourceLineNo">465</span> for (int i = 0; i < regions.size(); i++) {<a name="line.465"></a>
+<span class="sourceLineNo">466</span> ServerName sn = servers.get(i % servers.size());<a name="line.466"></a>
+<span class="sourceLineNo">467</span> List<RegionInfo> regionsOfServer = clusterState.get(sn);<a name="line.467"></a>
+<span class="sourceLineNo">468</span> if (regionsOfServer == null) {<a name="line.468"></a>
+<span class="sourceLineNo">469</span> regionsOfServer = new ArrayList<>(10);<a name="line.469"></a>
+<span class="sourceLineNo">470</span> clusterState.put(sn, regionsOfServer);<a name="line.470"></a>
+<span class="sourceLineNo">471</span> }<a name="line.471"></a>
+<span class="sourceLineNo">472</span><a name="line.472"></a>
+<span class="sourceLineNo">473</span> regionsOfServer.add(regions.get(i));<a name="line.473"></a>
+<span class="sourceLineNo">474</span> }<a name="line.474"></a>
+<span class="sourceLineNo">475</span> }<a name="line.475"></a>
+<span class="sourceLineNo">476</span><a name="line.476"></a>
+<span class="sourceLineNo">477</span> @Test<a name="line.477"></a>
+<span class="sourceLineNo">478</span> public void testClusterRegionLocations() {<a name="line.478"></a>
+<span class="sourceLineNo">479</span> // tests whether region locations are handled correctly in Cluster<a name="line.479"></a>
+<span class="sourceLineNo">480</span> List<ServerName> servers = getListOfServerNames(randomServers(10, 10));<a name="line.480"></a>
+<span class="sourceLineNo">481</span> List<RegionInfo> regions = randomRegions(101);<a name="line.481"></a>
+<span class="sourceLineNo">482</span> Map<ServerName, List<RegionInfo>> clusterState = new HashMap<>();<a name="line.482"></a>
+<span class="sourceLineNo">483</span><a name="line.483"></a>
+<span class="sourceLineNo">484</span> assignRegions(regions, servers, clusterState);<a name="line.484"></a>
<span class="sourceLineNo">485</span><a name="line.485"></a>
-<span class="sourceLineNo">486</span> assignRegions(regions, servers, clusterState);<a name="line.486"></a>
-<span class="sourceLineNo">487</span><a name="line.487"></a>
-<span class="sourceLineNo">488</span> // mock block locality for some regions<a name="line.488"></a>
-<span class="sourceLineNo">489</span> RegionHDFSBlockLocationFinder locationFinder = mock(RegionHDFSBlockLocationFinder.class);<a name="line.489"></a>
-<span class="sourceLineNo">490</span> // block locality: region:0 => {server:0}<a name="line.490"></a>
-<span class="sourceLineNo">491</span> // region:1 => {server:0, server:1}<a name="line.491"></a>
-<span class="sourceLineNo">492</span> // region:42 => {server:4, server:9, server:5}<a name="line.492"></a>
-<span class="sourceLineNo">493</span> when(locationFinder.getTopBlockLocations(regions.get(0))).thenReturn(<a name="line.493"></a>
-<span class="sourceLineNo">494</span> Lists.newArrayList(servers.get(0)));<a name="line.494"></a>
-<span class="sourceLineNo">495</span> when(locationFinder.getTopBlockLocations(regions.get(1))).thenReturn(<a name="line.495"></a>
-<span class="sourceLineNo">496</span> Lists.newArrayList(servers.get(0), servers.get(1)));<a name="line.496"></a>
-<span class="sourceLineNo">497</span> when(locationFinder.getTopBlockLocations(regions.get(42))).thenReturn(<a name="line.497"></a>
-<span class="sourceLineNo">498</span> Lists.newArrayList(servers.get(4), servers.get(9), servers.get(5)));<a name="line.498"></a>
-<span class="sourceLineNo">499</span> // this server does not exists in clusterStatus<a name="line.499"></a>
-<span class="sourceLineNo">500</span> when(locationFinder.getTopBlockLocations(regions.get(43)))<a name="line.500"></a>
-<span class="sourceLineNo">501</span> .thenReturn(Lists.newArrayList(ServerName.valueOf("foo", 0, 0)));<a name="line.501"></a>
-<span class="sourceLineNo">502</span><a name="line.502"></a>
-<span class="sourceLineNo">503</span> BalancerClusterState cluster =<a name="line.503"></a>
-<span class="sourceLineNo">504</span> new BalancerClusterState(clusterState, null, locationFinder, null);<a name="line.504"></a>
-<span class="sourceLineNo">505</span><a name="line.505"></a>
-<span class="sourceLineNo">506</span> // this is ok, it is just a test<a name="line.506"></a>
-<span class="sourceLineNo">507</span> int r0 = ArrayUtils.indexOf(cluster.regions, regions.get(0));<a name="line.507"></a>
-<span class="sourceLineNo">508</span> int r1 = ArrayUtils.indexOf(cluster.regions, regions.get(1));<a name="line.508"></a>
-<span class="sourceLineNo">509</span> int r10 = ArrayUtils.indexOf(cluster.regions, regions.get(10));<a name="line.509"></a>
-<span class="sourceLineNo">510</span> int r42 = ArrayUtils.indexOf(cluster.regions, regions.get(42));<a name="line.510"></a>
-<span class="sourceLineNo">511</span> int r43 = ArrayUtils.indexOf(cluster.regions, regions.get(43));<a name="line.511"></a>
-<span class="sourceLineNo">512</span><a name="line.512"></a>
-<span class="sourceLineNo">513</span> int s0 = cluster.serversToIndex.get(servers.get(0).getAddress());<a name="line.513"></a>
-<span class="sourceLineNo">514</span> int s1 = cluster.serversToIndex.get(servers.get(1).getAddress());<a name="line.514"></a>
-<span class="sourceLineNo">515</span> int s4 = cluster.serversToIndex.get(servers.get(4).getAddress());<a name="line.515"></a>
-<span class="sourceLineNo">516</span> int s5 = cluster.serversToIndex.get(servers.get(5).getAddress());<a name="line.516"></a>
-<span class="sourceLineNo">517</span> int s9 = cluster.serversToIndex.get(servers.get(9).getAddress());<a name="line.517"></a>
-<span class="sourceLineNo">518</span><a name="line.518"></a>
-<span class="sourceLineNo">519</span> // region 0 locations<a name="line.519"></a>
-<span class="sourceLineNo">520</span> assertEquals(1, cluster.regionLocations[r0].length);<a name="line.520"></a>
-<span class="sourceLineNo">521</span> assertEquals(s0, cluster.regionLocations[r0][0]);<a name="line.521"></a>
-<span class="sourceLineNo">522</span><a name="line.522"></a>
-<span class="sourceLineNo">523</span> // region 1 locations<a name="line.523"></a>
-<span class="sourceLineNo">524</span> assertEquals(2, cluster.regionLocations[r1].length);<a name="line.524"></a>
-<span class="sourceLineNo">525</span> assertEquals(s0, cluster.regionLocations[r1][0]);<a name="line.525"></a>
-<span class="sourceLineNo">526</span> assertEquals(s1, cluster.regionLocations[r1][1]);<a name="line.526"></a>
-<span class="sourceLineNo">527</span><a name="line.527"></a>
-<span class="sourceLineNo">528</span> // region 10 locations<a name="line.528"></a>
-<span class="sourceLineNo">529</span> assertEquals(0, cluster.regionLocations[r10].length);<a name="line.529"></a>
-<span class="sourceLineNo">530</span><a name="line.530"></a>
-<span class="sourceLineNo">531</span> // region 42 locations<a name="line.531"></a>
-<span class="sourceLineNo">532</span> assertEquals(3, cluster.regionLocations[r42].length);<a name="line.532"></a>
-<span class="sourceLineNo">533</span> assertEquals(s4, cluster.regionLocations[r42][0]);<a name="line.533"></a>
-<span class="sourceLineNo">534</span> assertEquals(s9, cluster.regionLocations[r42][1]);<a name="line.534"></a>
-<span class="sourceLineNo">535</span> assertEquals(s5, cluster.regionLocations[r42][2]);<a name="line.535"></a>
-<span class="sourceLineNo">536</span><a name="line.536"></a>
-<span class="sourceLineNo">537</span> // region 43 locations<a name="line.537"></a>
-<span class="sourceLineNo">538</span> assertEquals(1, cluster.regionLocations[r43].length);<a name="line.538"></a>
-<span class="sourceLineNo">539</span> assertEquals(-1, cluster.regionLocations[r43][0]);<a name="line.539"></a>
-<span class="sourceLineNo">540</span> }<a name="line.540"></a>
-<span class="sourceLineNo">541</span>}<a name="line.541"></a>
+<span class="sourceLineNo">486</span> // mock block locality for some regions<a name="line.486"></a>
+<span class="sourceLineNo">487</span> RegionHDFSBlockLocationFinder locationFinder = mock(RegionHDFSBlockLocationFinder.class);<a name="line.487"></a>
+<span class="sourceLineNo">488</span> // block locality: region:0 => {server:0}<a name="line.488"></a>
+<span class="sourceLineNo">489</span> // region:1 => {server:0, server:1}<a name="line.489"></a>
+<span class="sourceLineNo">490</span> // region:42 => {server:4, server:9, server:5}<a name="line.490"></a>
+<span class="sourceLineNo">491</span> when(locationFinder.getTopBlockLocations(regions.get(0))).thenReturn(<a name="line.491"></a>
+<span class="sourceLineNo">492</span> Lists.newArrayList(servers.get(0)));<a name="line.492"></a>
+<span class="sourceLineNo">493</span> when(locationFinder.getTopBlockLocations(regions.get(1))).thenReturn(<a name="line.493"></a>
+<span class="sourceLineNo">494</span> Lists.newArrayList(servers.get(0), servers.get(1)));<a name="line.494"></a>
+<span class="sourceLineNo">495</span> when(locationFinder.getTopBlockLocations(regions.get(42))).thenReturn(<a name="line.495"></a>
+<span class="sourceLineNo">496</span> Lists.newArrayList(servers.get(4), servers.get(9), servers.get(5)));<a name="line.496"></a>
+<span class="sourceLineNo">497</span> // this server does not exists in clusterStatus<a name="line.497"></a>
+<span class="sourceLineNo">498</span> when(locationFinder.getTopBlockLocations(regions.get(43)))<a name="line.498"></a>
+<span class="sourceLineNo">499</span> .thenReturn(Lists.newArrayList(ServerName.valueOf("foo", 0, 0)));<a name="line.499"></a>
+<span class="sourceLineNo">500</span><a name="line.500"></a>
+<span class="sourceLineNo">501</span> BalancerClusterState cluster =<a name="line.501"></a>
+<span class="sourceLineNo">502</span> new BalancerClusterState(clusterState, null, locationFinder, null);<a name="line.502"></a>
+<span class="sourceLineNo">503</span><a name="line.503"></a>
+<span class="sourceLineNo">504</span> // this is ok, it is just a test<a name="line.504"></a>
+<span class="sourceLineNo">505</span> int r0 = ArrayUtils.indexOf(cluster.regions, regions.get(0));<a name="line.505"></a>
+<span class="sourceLineNo">506</span> int r1 = ArrayUtils.indexOf(cluster.regions, regions.get(1));<a name="line.506"></a>
+<span class="sourceLineNo">507</span> int r10 = ArrayUtils.indexOf(cluster.regions, regions.get(10));<a name="line.507"></a>
+<span class="sourceLineNo">508</span> int r42 = ArrayUtils.indexOf(cluster.regions, regions.get(42));<a name="line.508"></a>
+<span class="sourceLineNo">509</span> int r43 = ArrayUtils.indexOf(cluster.regions, regions.get(43));<a name="line.509"></a>
+<span class="sourceLineNo">510</span><a name="line.510"></a>
+<span class="sourceLineNo">511</span> int s0 = cluster.serversToIndex.get(servers.get(0).getAddress());<a name="line.511"></a>
+<span class="sourceLineNo">512</span> int s1 = cluster.serversToIndex.get(servers.get(1).getAddress());<a name="line.512"></a>
+<span class="sourceLineNo">513</span> int s4 = cluster.serversToIndex.get(servers.get(4).getAddress());<a name="line.513"></a>
+<span class="sourceLineNo">514</span> int s5 = cluster.serversToIndex.get(servers.get(5).getAddress());<a name="line.514"></a>
+<span class="sourceLineNo">515</span> int s9 = cluster.serversToIndex.get(servers.get(9).getAddress());<a name="line.515"></a>
+<span class="sourceLineNo">516</span><a name="line.516"></a>
+<span class="sourceLineNo">517</span> // region 0 locations<a name="line.517"></a>
+<span class="sourceLineNo">518</span> assertEquals(1, cluster.regionLocations[r0].length);<a name="line.518"></a>
+<span class="sourceLineNo">519</span> assertEquals(s0, cluster.regionLocations[r0][0]);<a name="line.519"></a>
+<span class="sourceLineNo">520</span><a name="line.520"></a>
+<span class="sourceLineNo">521</span> // region 1 locations<a name="line.521"></a>
+<span class="sourceLineNo">522</span> assertEquals(2, cluster.regionLocations[r1].length);<a name="line.522"></a>
+<span class="sourceLineNo">523</span> assertEquals(s0, cluster.regionLocations[r1][0]);<a name="line.523"></a>
+<span class="sourceLineNo">524</span> assertEquals(s1, cluster.regionLocations[r1][1]);<a name="line.524"></a>
+<span class="sourceLineNo">525</span><a name="line.525"></a>
+<span class="sourceLineNo">526</span> // region 10 locations<a name="line.526"></a>
+<span class="sourceLineNo">527</span> assertEquals(0, cluster.regionLocations[r10].length);<a name="line.527"></a>
+<span class="sourceLineNo">528</span><a name="line.528"></a>
+<span class="sourceLineNo">529</span> // region 42 locations<a name="line.529"></a>
+<span class="sourceLineNo">530</span> assertEquals(3, cluster.regionLocations[r42].length);<a name="line.530"></a>
+<span class="sourceLineNo">531</span> assertEquals(s4, cluster.regionLocations[r42][0]);<a name="line.531"></a>
+<span class="sourceLineNo">532</span> assertEquals(s9, cluster.regionLocations[r42][1]);<a name="line.532"></a>
+<span class="sourceLineNo">533</span> assertEquals(s5, cluster.regionLocations[r42][2]);<a name="line.533"></a>
+<span class="sourceLineNo">534</span><a name="line.534"></a>
+<span class="sourceLineNo">535</span> // region 43 locations<a name="line.535"></a>
+<span class="sourceLineNo">536</span> assertEquals(1, cluster.regionLocations[r43].length);<a name="line.536"></a>
+<span class="sourceLineNo">537</span> assertEquals(-1, cluster.regionLocations[r43][0]);<a name="line.537"></a>
+<span class="sourceLineNo">538</span> }<a name="line.538"></a>
+<span class="sourceLineNo">539</span>}<a name="line.539"></a>
diff --git a/testdevapidocs/src-html/org/apache/hadoop/hbase/master/balancer/TestBaseLoadBalancer.html b/testdevapidocs/src-html/org/apache/hadoop/hbase/master/balancer/TestBaseLoadBalancer.html
index 76e22ca..651965f 100644
--- a/testdevapidocs/src-html/org/apache/hadoop/hbase/master/balancer/TestBaseLoadBalancer.html
+++ b/testdevapidocs/src-html/org/apache/hadoop/hbase/master/balancer/TestBaseLoadBalancer.html
@@ -363,190 +363,188 @@
<span class="sourceLineNo">355</span><a name="line.355"></a>
<span class="sourceLineNo">356</span> // now move region1 from servers[0] to servers[2]<a name="line.356"></a>
<span class="sourceLineNo">357</span> cluster.doAction(new MoveRegionAction(0, 0, 2));<a name="line.357"></a>
-<span class="sourceLineNo">358</span> // check that the regionSkewByTable for "table" has increased to 2<a name="line.358"></a>
-<span class="sourceLineNo">359</span> assertEquals(2, cluster.regionSkewByTable[0], 0.01);<a name="line.359"></a>
-<span class="sourceLineNo">360</span> // now repeat check whether moving region1 from servers[1] to servers[2]<a name="line.360"></a>
-<span class="sourceLineNo">361</span> // would lower availability<a name="line.361"></a>
-<span class="sourceLineNo">362</span> assertTrue(cluster.wouldLowerAvailability(hri1, servers[2]));<a name="line.362"></a>
-<span class="sourceLineNo">363</span><a name="line.363"></a>
-<span class="sourceLineNo">364</span> // start over again<a name="line.364"></a>
-<span class="sourceLineNo">365</span> clusterState.clear();<a name="line.365"></a>
-<span class="sourceLineNo">366</span> List<RegionInfo> list3 = new ArrayList<>();<a name="line.366"></a>
-<span class="sourceLineNo">367</span> RegionInfo hri4 = RegionReplicaUtil.getRegionInfoForReplica(hri3, 1);<a name="line.367"></a>
-<span class="sourceLineNo">368</span> list3.add(hri4);<a name="line.368"></a>
-<span class="sourceLineNo">369</span> clusterState.put(servers[0], list0); //servers[0], rack1 hosts region1<a name="line.369"></a>
-<span class="sourceLineNo">370</span> clusterState.put(servers[5], list1); //servers[5], rack2 hosts replica_of_region1<a name="line.370"></a>
-<span class="sourceLineNo">371</span> clusterState.put(servers[6], list2); //servers[6], rack2 hosts region2<a name="line.371"></a>
-<span class="sourceLineNo">372</span> clusterState.put(servers[12], list3); //servers[12], rack3 hosts replica_of_region2<a name="line.372"></a>
-<span class="sourceLineNo">373</span> // create a cluster with the above clusterState<a name="line.373"></a>
-<span class="sourceLineNo">374</span> cluster = new BalancerClusterState(clusterState, null, null, rackManager);<a name="line.374"></a>
-<span class="sourceLineNo">375</span> // check whether a move of replica_of_region2 from servers[12],rack3 to servers[0],rack1 would<a name="line.375"></a>
-<span class="sourceLineNo">376</span> // lower the availability<a name="line.376"></a>
-<span class="sourceLineNo">377</span> assertTrue(!cluster.wouldLowerAvailability(hri4, servers[0]));<a name="line.377"></a>
-<span class="sourceLineNo">378</span> // now move region2 from servers[6],rack2 to servers[0],rack1<a name="line.378"></a>
-<span class="sourceLineNo">379</span> cluster.doAction(new MoveRegionAction(2, 2, 0));<a name="line.379"></a>
-<span class="sourceLineNo">380</span> // now repeat check if replica_of_region2 from servers[12],rack3 to servers[0],rack1 would<a name="line.380"></a>
-<span class="sourceLineNo">381</span> // lower the availability<a name="line.381"></a>
-<span class="sourceLineNo">382</span> assertTrue(cluster.wouldLowerAvailability(hri3, servers[0]));<a name="line.382"></a>
-<span class="sourceLineNo">383</span> }<a name="line.383"></a>
-<span class="sourceLineNo">384</span><a name="line.384"></a>
-<span class="sourceLineNo">385</span> private List<ServerName> getListOfServerNames(final List<ServerAndLoad> sals) {<a name="line.385"></a>
-<span class="sourceLineNo">386</span> return sals.stream().map(ServerAndLoad::getServerName).collect(Collectors.toList());<a name="line.386"></a>
-<span class="sourceLineNo">387</span> }<a name="line.387"></a>
-<span class="sourceLineNo">388</span><a name="line.388"></a>
-<span class="sourceLineNo">389</span> /**<a name="line.389"></a>
-<span class="sourceLineNo">390</span> * Asserts a valid retained assignment plan.<a name="line.390"></a>
-<span class="sourceLineNo">391</span> * <p><a name="line.391"></a>
-<span class="sourceLineNo">392</span> * Must meet the following conditions:<a name="line.392"></a>
-<span class="sourceLineNo">393</span> * <ul><a name="line.393"></a>
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-<span class="sourceLineNo">396</span> * address a a currently online server, it will be assigned to it<a name="line.396"></a>
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-<span class="sourceLineNo">401</span> // Verify condition 1, every region assigned, and to online server<a name="line.401"></a>
-<span class="sourceLineNo">402</span> Set<ServerName> onlineServerSet = new TreeSet<>(servers);<a name="line.402"></a>
-<span class="sourceLineNo">403</span> Set<RegionInfo> assignedRegions = new TreeSet<>(RegionInfo.COMPARATOR);<a name="line.403"></a>
-<span class="sourceLineNo">404</span> for (Map.Entry<ServerName, List<RegionInfo>> a : assignment.entrySet()) {<a name="line.404"></a>
-<span class="sourceLineNo">405</span> assertTrue("Region assigned to server that was not listed as online",<a name="line.405"></a>
-<span class="sourceLineNo">406</span> onlineServerSet.contains(a.getKey()));<a name="line.406"></a>
-<span class="sourceLineNo">407</span> for (RegionInfo r : a.getValue())<a name="line.407"></a>
-<span class="sourceLineNo">408</span> assignedRegions.add(r);<a name="line.408"></a>
-<span class="sourceLineNo">409</span> }<a name="line.409"></a>
-<span class="sourceLineNo">410</span> assertEquals(existing.size(), assignedRegions.size());<a name="line.410"></a>
-<span class="sourceLineNo">411</span><a name="line.411"></a>
-<span class="sourceLineNo">412</span> // Verify condition 2, if server had existing assignment, must have same<a name="line.412"></a>
-<span class="sourceLineNo">413</span> Set<String> onlineHostNames = new TreeSet<>();<a name="line.413"></a>
-<span class="sourceLineNo">414</span> for (ServerName s : servers) {<a name="line.414"></a>
-<span class="sourceLineNo">415</span> onlineHostNames.add(s.getHostname());<a name="line.415"></a>
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-<span class="sourceLineNo">417</span><a name="line.417"></a>
-<span class="sourceLineNo">418</span> for (Map.Entry<ServerName, List<RegionInfo>> a : assignment.entrySet()) {<a name="line.418"></a>
-<span class="sourceLineNo">419</span> ServerName assignedTo = a.getKey();<a name="line.419"></a>
-<span class="sourceLineNo">420</span> for (RegionInfo r : a.getValue()) {<a name="line.420"></a>
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-<span class="sourceLineNo">520</span> assertEquals(1, cluster.regionLocations[r0].length);<a name="line.520"></a>
-<span class="sourceLineNo">521</span> assertEquals(s0, cluster.regionLocations[r0][0]);<a name="line.521"></a>
-<span class="sourceLineNo">522</span><a name="line.522"></a>
-<span class="sourceLineNo">523</span> // region 1 locations<a name="line.523"></a>
-<span class="sourceLineNo">524</span> assertEquals(2, cluster.regionLocations[r1].length);<a name="line.524"></a>
-<span class="sourceLineNo">525</span> assertEquals(s0, cluster.regionLocations[r1][0]);<a name="line.525"></a>
-<span class="sourceLineNo">526</span> assertEquals(s1, cluster.regionLocations[r1][1]);<a name="line.526"></a>
-<span class="sourceLineNo">527</span><a name="line.527"></a>
-<span class="sourceLineNo">528</span> // region 10 locations<a name="line.528"></a>
-<span class="sourceLineNo">529</span> assertEquals(0, cluster.regionLocations[r10].length);<a name="line.529"></a>
-<span class="sourceLineNo">530</span><a name="line.530"></a>
-<span class="sourceLineNo">531</span> // region 42 locations<a name="line.531"></a>
-<span class="sourceLineNo">532</span> assertEquals(3, cluster.regionLocations[r42].length);<a name="line.532"></a>
-<span class="sourceLineNo">533</span> assertEquals(s4, cluster.regionLocations[r42][0]);<a name="line.533"></a>
-<span class="sourceLineNo">534</span> assertEquals(s9, cluster.regionLocations[r42][1]);<a name="line.534"></a>
-<span class="sourceLineNo">535</span> assertEquals(s5, cluster.regionLocations[r42][2]);<a name="line.535"></a>
-<span class="sourceLineNo">536</span><a name="line.536"></a>
-<span class="sourceLineNo">537</span> // region 43 locations<a name="line.537"></a>
-<span class="sourceLineNo">538</span> assertEquals(1, cluster.regionLocations[r43].length);<a name="line.538"></a>
-<span class="sourceLineNo">539</span> assertEquals(-1, cluster.regionLocations[r43][0]);<a name="line.539"></a>
-<span class="sourceLineNo">540</span> }<a name="line.540"></a>
-<span class="sourceLineNo">541</span>}<a name="line.541"></a>
+<span class="sourceLineNo">486</span> // mock block locality for some regions<a name="line.486"></a>
+<span class="sourceLineNo">487</span> RegionHDFSBlockLocationFinder locationFinder = mock(RegionHDFSBlockLocationFinder.class);<a name="line.487"></a>
+<span class="sourceLineNo">488</span> // block locality: region:0 => {server:0}<a name="line.488"></a>
+<span class="sourceLineNo">489</span> // region:1 => {server:0, server:1}<a name="line.489"></a>
+<span class="sourceLineNo">490</span> // region:42 => {server:4, server:9, server:5}<a name="line.490"></a>
+<span class="sourceLineNo">491</span> when(locationFinder.getTopBlockLocations(regions.get(0))).thenReturn(<a name="line.491"></a>
+<span class="sourceLineNo">492</span> Lists.newArrayList(servers.get(0)));<a name="line.492"></a>
+<span class="sourceLineNo">493</span> when(locationFinder.getTopBlockLocations(regions.get(1))).thenReturn(<a name="line.493"></a>
+<span class="sourceLineNo">494</span> Lists.newArrayList(servers.get(0), servers.get(1)));<a name="line.494"></a>
+<span class="sourceLineNo">495</span> when(locationFinder.getTopBlockLocations(regions.get(42))).thenReturn(<a name="line.495"></a>
+<span class="sourceLineNo">496</span> Lists.newArrayList(servers.get(4), servers.get(9), servers.get(5)));<a name="line.496"></a>
+<span class="sourceLineNo">497</span> // this server does not exists in clusterStatus<a name="line.497"></a>
+<span class="sourceLineNo">498</span> when(locationFinder.getTopBlockLocations(regions.get(43)))<a name="line.498"></a>
+<span class="sourceLineNo">499</span> .thenReturn(Lists.newArrayList(ServerName.valueOf("foo", 0, 0)));<a name="line.499"></a>
+<span class="sourceLineNo">500</span><a name="line.500"></a>
+<span class="sourceLineNo">501</span> BalancerClusterState cluster =<a name="line.501"></a>
+<span class="sourceLineNo">502</span> new BalancerClusterState(clusterState, null, locationFinder, null);<a name="line.502"></a>
+<span class="sourceLineNo">503</span><a name="line.503"></a>
+<span class="sourceLineNo">504</span> // this is ok, it is just a test<a name="line.504"></a>
+<span class="sourceLineNo">505</span> int r0 = ArrayUtils.indexOf(cluster.regions, regions.get(0));<a name="line.505"></a>
+<span class="sourceLineNo">506</span> int r1 = ArrayUtils.indexOf(cluster.regions, regions.get(1));<a name="line.506"></a>
+<span class="sourceLineNo">507</span> int r10 = ArrayUtils.indexOf(cluster.regions, regions.get(10));<a name="line.507"></a>
+<span class="sourceLineNo">508</span> int r42 = ArrayUtils.indexOf(cluster.regions, regions.get(42));<a name="line.508"></a>
+<span class="sourceLineNo">509</span> int r43 = ArrayUtils.indexOf(cluster.regions, regions.get(43));<a name="line.509"></a>
+<span class="sourceLineNo">510</span><a name="line.510"></a>
+<span class="sourceLineNo">511</span> int s0 = cluster.serversToIndex.get(servers.get(0).getAddress());<a name="line.511"></a>
+<span class="sourceLineNo">512</span> int s1 = cluster.serversToIndex.get(servers.get(1).getAddress());<a name="line.512"></a>
+<span class="sourceLineNo">513</span> int s4 = cluster.serversToIndex.get(servers.get(4).getAddress());<a name="line.513"></a>
+<span class="sourceLineNo">514</span> int s5 = cluster.serversToIndex.get(servers.get(5).getAddress());<a name="line.514"></a>
+<span class="sourceLineNo">515</span> int s9 = cluster.serversToIndex.get(servers.get(9).getAddress());<a name="line.515"></a>
+<span class="sourceLineNo">516</span><a name="line.516"></a>
+<span class="sourceLineNo">517</span> // region 0 locations<a name="line.517"></a>
+<span class="sourceLineNo">518</span> assertEquals(1, cluster.regionLocations[r0].length);<a name="line.518"></a>
+<span class="sourceLineNo">519</span> assertEquals(s0, cluster.regionLocations[r0][0]);<a name="line.519"></a>
+<span class="sourceLineNo">520</span><a name="line.520"></a>
+<span class="sourceLineNo">521</span> // region 1 locations<a name="line.521"></a>
+<span class="sourceLineNo">522</span> assertEquals(2, cluster.regionLocations[r1].length);<a name="line.522"></a>
+<span class="sourceLineNo">523</span> assertEquals(s0, cluster.regionLocations[r1][0]);<a name="line.523"></a>
+<span class="sourceLineNo">524</span> assertEquals(s1, cluster.regionLocations[r1][1]);<a name="line.524"></a>
+<span class="sourceLineNo">525</span><a name="line.525"></a>
+<span class="sourceLineNo">526</span> // region 10 locations<a name="line.526"></a>
+<span class="sourceLineNo">527</span> assertEquals(0, cluster.regionLocations[r10].length);<a name="line.527"></a>
+<span class="sourceLineNo">528</span><a name="line.528"></a>
+<span class="sourceLineNo">529</span> // region 42 locations<a name="line.529"></a>
+<span class="sourceLineNo">530</span> assertEquals(3, cluster.regionLocations[r42].length);<a name="line.530"></a>
+<span class="sourceLineNo">531</span> assertEquals(s4, cluster.regionLocations[r42][0]);<a name="line.531"></a>
+<span class="sourceLineNo">532</span> assertEquals(s9, cluster.regionLocations[r42][1]);<a name="line.532"></a>
+<span class="sourceLineNo">533</span> assertEquals(s5, cluster.regionLocations[r42][2]);<a name="line.533"></a>
+<span class="sourceLineNo">534</span><a name="line.534"></a>
+<span class="sourceLineNo">535</span> // region 43 locations<a name="line.535"></a>
+<span class="sourceLineNo">536</span> assertEquals(1, cluster.regionLocations[r43].length);<a name="line.536"></a>
+<span class="sourceLineNo">537</span> assertEquals(-1, cluster.regionLocations[r43][0]);<a name="line.537"></a>
+<span class="sourceLineNo">538</span> }<a name="line.538"></a>
+<span class="sourceLineNo">539</span>}<a name="line.539"></a>
diff --git a/testdevapidocs/src-html/org/apache/hadoop/hbase/master/balancer/TestDoubleArrayCost.html b/testdevapidocs/src-html/org/apache/hadoop/hbase/master/balancer/TestDoubleArrayCost.html
index 839de8e..74d4e5a 100644
--- a/testdevapidocs/src-html/org/apache/hadoop/hbase/master/balancer/TestDoubleArrayCost.html
+++ b/testdevapidocs/src-html/org/apache/hadoop/hbase/master/balancer/TestDoubleArrayCost.html
@@ -70,7 +70,7 @@
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<span class="sourceLineNo">063</span> costs[100] = 100;<a name="line.63"></a>
<span class="sourceLineNo">064</span> });<a name="line.64"></a>
-<span class="sourceLineNo">065</span> assertEquals(0.5, cost.cost(), 0.01);<a name="line.65"></a>
+<span class="sourceLineNo">065</span> assertEquals(0.0708, cost.cost(), 0.01);<a name="line.65"></a>
<span class="sourceLineNo">066</span> }<a name="line.66"></a>
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diff --git a/testdevapidocs/src-html/org/apache/hadoop/hbase/master/balancer/TestStochasticBalancerJmxMetrics.html b/testdevapidocs/src-html/org/apache/hadoop/hbase/master/balancer/TestStochasticBalancerJmxMetrics.html
index 0307994..eb0aed7 100644
--- a/testdevapidocs/src-html/org/apache/hadoop/hbase/master/balancer/TestStochasticBalancerJmxMetrics.html
+++ b/testdevapidocs/src-html/org/apache/hadoop/hbase/master/balancer/TestStochasticBalancerJmxMetrics.html
@@ -102,190 +102,189 @@
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-<span class="sourceLineNo">102</span> do {<a name="line.102"></a>
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-<span class="sourceLineNo">105</span> } while (!HBaseTestingUtil.available(connectorPort));<a name="line.105"></a>
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-<span class="sourceLineNo">108</span><a name="line.108"></a>
-<span class="sourceLineNo">109</span> UTIL.startMiniCluster();<a name="line.109"></a>
-<span class="sourceLineNo">110</span> break;<a name="line.110"></a>
-<span class="sourceLineNo">111</span> } catch (Exception e) {<a name="line.111"></a>
-<span class="sourceLineNo">112</span> LOG.debug("Encountered exception when starting cluster. Trying port " + connectorPort, e);<a name="line.112"></a>
-<span class="sourceLineNo">113</span> try {<a name="line.113"></a>
-<span class="sourceLineNo">114</span> // this is to avoid "IllegalStateException: A mini-cluster is already running"<a name="line.114"></a>
-<span class="sourceLineNo">115</span> UTIL.shutdownMiniCluster();<a name="line.115"></a>
-<span class="sourceLineNo">116</span> } catch (Exception ex) {<a name="line.116"></a>
-<span class="sourceLineNo">117</span> LOG.debug("Encountered exception shutting down cluster", ex);<a name="line.117"></a>
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-<span class="sourceLineNo">124</span> public static void tearDownAfterClass() throws Exception {<a name="line.124"></a>
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-<span class="sourceLineNo">128</span> /**<a name="line.128"></a>
-<span class="sourceLineNo">129</span> * In Ensemble mode, there should be only one ensemble table<a name="line.129"></a>
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-<span class="sourceLineNo">139</span> TableName tableName = HConstants.ENSEMBLE_TABLE_NAME;<a name="line.139"></a>
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-<span class="sourceLineNo">143</span> String[] tableNames = new String[] { tableName.getNameAsString() };<a name="line.143"></a>
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-<span class="sourceLineNo">146</span> Set<String> expectedMetrics = getExpectedJmxMetrics(tableNames, functionNames);<a name="line.146"></a>
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-<span class="sourceLineNo">169</span> // NOTE the size is normally set in setClusterMetrics, for test purpose, we set it manually<a name="line.169"></a>
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+<span class="sourceLineNo">144</span> Set<String> jmxMetrics = readJmxMetricsWithRetry();<a name="line.144"></a>
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+<span class="sourceLineNo">148</span> // printMetrics(expectedMetrics, "expected metrics in ensemble mode");<a name="line.148"></a>
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+<span class="sourceLineNo">153</span> jmxMetrics.contains(expected));<a name="line.153"></a>
+<span class="sourceLineNo">154</span> }<a name="line.154"></a>
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+<span class="sourceLineNo">157</span> /**<a name="line.157"></a>
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+<span class="sourceLineNo">168</span> // NOTE the size is normally set in setClusterMetrics, for test purpose, we set it manually<a name="line.168"></a>
+<span class="sourceLineNo">169</span> // Tables: hbase:namespace, table1, table2<a name="line.169"></a>
+<span class="sourceLineNo">170</span> // Functions: costFunctions, overall<a name="line.170"></a>
+<span class="sourceLineNo">171</span> String[] functionNames = loadBalancer.getCostFunctionNames();<a name="line.171"></a>
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+<span class="sourceLineNo">173</span><a name="line.173"></a>
+<span class="sourceLineNo">174</span> // table 1<a name="line.174"></a>
+<span class="sourceLineNo">175</span> TableName tableName = TableName.valueOf(TABLE_NAME_1);<a name="line.175"></a>
+<span class="sourceLineNo">176</span> Map<ServerName, List<RegionInfo>> clusterState = mockClusterServers(mockCluster_pertable_1);<a name="line.176"></a>
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+<span class="sourceLineNo">178</span><a name="line.178"></a>
+<span class="sourceLineNo">179</span> // table 2<a name="line.179"></a>
+<span class="sourceLineNo">180</span> tableName = TableName.valueOf(TABLE_NAME_2);<a name="line.180"></a>
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+<span class="sourceLineNo">182</span> loadBalancer.balanceTable(tableName, clusterState);<a name="line.182"></a>
+<span class="sourceLineNo">183</span><a name="line.183"></a>
+<span class="sourceLineNo">184</span> // table hbase:namespace<a name="line.184"></a>
+<span class="sourceLineNo">185</span> tableName = TableName.valueOf(TABLE_NAME_NAMESPACE);<a name="line.185"></a>
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+<span class="sourceLineNo">188</span><a name="line.188"></a>
+<span class="sourceLineNo">189</span> String[] tableNames = new String[] { TABLE_NAME_1, TABLE_NAME_2, TABLE_NAME_NAMESPACE };<a name="line.189"></a>
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+<span class="sourceLineNo">191</span> Set<String> expectedMetrics = getExpectedJmxMetrics(tableNames, functionNames);<a name="line.191"></a>
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+<span class="sourceLineNo">193</span> // printMetrics(jmxMetrics, "existing metrics in per-table mode");<a name="line.193"></a>
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+<span class="sourceLineNo">195</span><a name="line.195"></a>
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+<span class="sourceLineNo">244</span> System.out.println("MBean Found:");<a name="line.244"></a>
+<span class="sourceLineNo">245</span> while (iterator.hasNext()) {<a name="line.245"></a>
+<span class="sourceLineNo">246</span> ObjectInstance instance = iterator.next();<a name="line.246"></a>
+<span class="sourceLineNo">247</span> System.out.println("Class Name: " + instance.getClassName());<a name="line.247"></a>
+<span class="sourceLineNo">248</span> System.out.println("Object Name: " + instance.getObjectName());<a name="line.248"></a>
+<span class="sourceLineNo">249</span> }<a name="line.249"></a>
+<span class="sourceLineNo">250</span> }<a name="line.250"></a>
+<span class="sourceLineNo">251</span> } finally {<a name="line.251"></a>
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+<span class="sourceLineNo">254</span> connector.close();<a name="line.254"></a>
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+<span class="sourceLineNo">256</span> e.printStackTrace();<a name="line.256"></a>
+<span class="sourceLineNo">257</span> }<a name="line.257"></a>
+<span class="sourceLineNo">258</span> }<a name="line.258"></a>
+<span class="sourceLineNo">259</span> }<a name="line.259"></a>
+<span class="sourceLineNo">260</span> return null;<a name="line.260"></a>
+<span class="sourceLineNo">261</span> }<a name="line.261"></a>
+<span class="sourceLineNo">262</span><a name="line.262"></a>
+<span class="sourceLineNo">263</span> /**<a name="line.263"></a>
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+<span class="sourceLineNo">267</span> Set<String> ret = new HashSet<>();<a name="line.267"></a>
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+<span class="sourceLineNo">271</span> for (String functionName : functionNames) {<a name="line.271"></a>
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+<span class="sourceLineNo">273</span> ret.add(metricsName);<a name="line.273"></a>
+<span class="sourceLineNo">274</span> }<a name="line.274"></a>
+<span class="sourceLineNo">275</span> }<a name="line.275"></a>
+<span class="sourceLineNo">276</span><a name="line.276"></a>
+<span class="sourceLineNo">277</span> return ret;<a name="line.277"></a>
+<span class="sourceLineNo">278</span> }<a name="line.278"></a>
+<span class="sourceLineNo">279</span>}<a name="line.279"></a>
diff --git a/testdevapidocs/src-html/org/apache/hadoop/hbase/master/balancer/TestStochasticLoadBalancer.MockCluster.html b/testdevapidocs/src-html/org/apache/hadoop/hbase/master/balancer/TestStochasticLoadBalancer.MockCluster.html
index 1c6dccb..c160d78 100644
--- a/testdevapidocs/src-html/org/apache/hadoop/hbase/master/balancer/TestStochasticLoadBalancer.MockCluster.html
+++ b/testdevapidocs/src-html/org/apache/hadoop/hbase/master/balancer/TestStochasticLoadBalancer.MockCluster.html
@@ -425,13 +425,13 @@
<span class="sourceLineNo">417</span> cluster.setNumRegions(10000);<a name="line.417"></a>
<span class="sourceLineNo">418</span> cluster.setNumMovedRegions(250);<a name="line.418"></a>
<span class="sourceLineNo">419</span> cost = costFunction.cost();<a name="line.419"></a>
-<span class="sourceLineNo">420</span> assertEquals(0.1f, cost, 0.001);<a name="line.420"></a>
+<span class="sourceLineNo">420</span> assertEquals(0.025f, cost, 0.001);<a name="line.420"></a>
<span class="sourceLineNo">421</span> cluster.setNumMovedRegions(1250);<a name="line.421"></a>
<span class="sourceLineNo">422</span> cost = costFunction.cost();<a name="line.422"></a>
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diff --git a/testdevapidocs/src-html/org/apache/hadoop/hbase/master/balancer/TestStochasticLoadBalancer.html b/testdevapidocs/src-html/org/apache/hadoop/hbase/master/balancer/TestStochasticLoadBalancer.html
index 1c6dccb..c160d78 100644
--- a/testdevapidocs/src-html/org/apache/hadoop/hbase/master/balancer/TestStochasticLoadBalancer.html
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diff --git a/testdevapidocs/src-html/org/apache/hadoop/hbase/master/balancer/TestStochasticLoadBalancerBalanceCluster.html b/testdevapidocs/src-html/org/apache/hadoop/hbase/master/balancer/TestStochasticLoadBalancerBalanceCluster.html
index d104e13..5425787 100644
--- a/testdevapidocs/src-html/org/apache/hadoop/hbase/master/balancer/TestStochasticLoadBalancerBalanceCluster.html
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diff --git a/testdevapidocs/src-html/org/apache/hadoop/hbase/master/balancer/TestStochasticLoadBalancerLargeCluster.html b/testdevapidocs/src-html/org/apache/hadoop/hbase/master/balancer/TestStochasticLoadBalancerLargeCluster.html
index 9b1e0af..43152dd 100644
--- a/testdevapidocs/src-html/org/apache/hadoop/hbase/master/balancer/TestStochasticLoadBalancerLargeCluster.html
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diff --git a/testdevapidocs/src-html/org/apache/hadoop/hbase/master/balancer/TestStochasticLoadBalancerRegionReplicaSameHosts.html b/testdevapidocs/src-html/org/apache/hadoop/hbase/master/balancer/TestStochasticLoadBalancerRegionReplicaSameHosts.html
index ee33bef..b99ca17 100644
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index aa9cc62..81a0800 100644
--- a/testdevapidocs/src-html/org/apache/hadoop/hbase/master/balancer/TestStochasticLoadBalancerRegionReplicaWithRacks.ForTestRackManager.html
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+<span class="sourceLineNo">074</span> RackManager rm = new ForTestRackManager(numRacks);<a name="line.74"></a>
+<span class="sourceLineNo">075</span> testWithClusterWithIteration(serverMap, rm, true, true);<a name="line.75"></a>
+<span class="sourceLineNo">076</span> }<a name="line.76"></a>
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+<span class="sourceLineNo">079</span> public void testRegionReplicationOnLargeClusterWithRacks() {<a name="line.79"></a>
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+<span class="sourceLineNo">083</span> loadBalancer.onConfigurationChange(conf);<a name="line.83"></a>
+<span class="sourceLineNo">084</span> int numNodes = 100;<a name="line.84"></a>
+<span class="sourceLineNo">085</span> int numRegions = numNodes * 30;<a name="line.85"></a>
+<span class="sourceLineNo">086</span> int replication = 3; // 3 replicas per region<a name="line.86"></a>
+<span class="sourceLineNo">087</span> int numRegionsPerServer = 28;<a name="line.87"></a>
+<span class="sourceLineNo">088</span> int numTables = 1;<a name="line.88"></a>
+<span class="sourceLineNo">089</span> int numRacks = 4; // all replicas should be on a different rack<a name="line.89"></a>
+<span class="sourceLineNo">090</span> Map<ServerName, List<RegionInfo>> serverMap =<a name="line.90"></a>
+<span class="sourceLineNo">091</span> createServerMap(numNodes, numRegions, numRegionsPerServer, replication, numTables);<a name="line.91"></a>
+<span class="sourceLineNo">092</span> RackManager rm = new ForTestRackManager(numRacks);<a name="line.92"></a>
+<span class="sourceLineNo">093</span><a name="line.93"></a>
+<span class="sourceLineNo">094</span> testWithClusterWithIteration(serverMap, rm, true, true);<a name="line.94"></a>
+<span class="sourceLineNo">095</span> }<a name="line.95"></a>
+<span class="sourceLineNo">096</span>}<a name="line.96"></a>
diff --git a/testdevapidocs/src-html/org/apache/hadoop/hbase/master/balancer/TestStochasticLoadBalancerRegionReplicaWithRacks.html b/testdevapidocs/src-html/org/apache/hadoop/hbase/master/balancer/TestStochasticLoadBalancerRegionReplicaWithRacks.html
index aa9cc62..81a0800 100644
--- a/testdevapidocs/src-html/org/apache/hadoop/hbase/master/balancer/TestStochasticLoadBalancerRegionReplicaWithRacks.html
+++ b/testdevapidocs/src-html/org/apache/hadoop/hbase/master/balancer/TestStochasticLoadBalancerRegionReplicaWithRacks.html
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-<span class="sourceLineNo">065</span> conf.setFloat("hbase.master.balancer.stochastic.maxMovePercent", 1.0f);<a name="line.65"></a>
-<span class="sourceLineNo">066</span> conf.setLong("hbase.master.balancer.stochastic.maxRunningTime", 120 * 1000); // 120 sec<a name="line.66"></a>
-<span class="sourceLineNo">067</span> // for full balance<a name="line.67"></a>
-<span class="sourceLineNo">068</span>// conf.setFloat("hbase.master.balancer.stochastic.minCostNeedBalance", 0.001f);<a name="line.68"></a>
-<span class="sourceLineNo">069</span> loadBalancer.onConfigurationChange(conf);<a name="line.69"></a>
-<span class="sourceLineNo">070</span> int numNodes = 5;<a name="line.70"></a>
-<span class="sourceLineNo">071</span> int numRegions = numNodes * 1;<a name="line.71"></a>
-<span class="sourceLineNo">072</span> int replication = 3; // 3 replicas per region<a name="line.72"></a>
-<span class="sourceLineNo">073</span> int numRegionsPerServer = 1;<a name="line.73"></a>
-<span class="sourceLineNo">074</span> int numTables = 1;<a name="line.74"></a>
-<span class="sourceLineNo">075</span> int numRacks = 3; // all replicas should be on a different rack<a name="line.75"></a>
-<span class="sourceLineNo">076</span> Map<ServerName, List<RegionInfo>> serverMap =<a name="line.76"></a>
-<span class="sourceLineNo">077</span> createServerMap(numNodes, numRegions, numRegionsPerServer, replication, numTables);<a name="line.77"></a>
-<span class="sourceLineNo">078</span> RackManager rm = new ForTestRackManager(numRacks);<a name="line.78"></a>
-<span class="sourceLineNo">079</span><a name="line.79"></a>
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-<span class="sourceLineNo">086</span> conf.setLong(StochasticLoadBalancer.MAX_STEPS_KEY, 5000L);<a name="line.86"></a>
-<span class="sourceLineNo">087</span> conf.setFloat("hbase.master.balancer.stochastic.maxMovePercent", 1.0f);<a name="line.87"></a>
-<span class="sourceLineNo">088</span> conf.setLong("hbase.master.balancer.stochastic.maxRunningTime", 10 * 1000); // 10 sec<a name="line.88"></a>
-<span class="sourceLineNo">089</span> loadBalancer.onConfigurationChange(conf);<a name="line.89"></a>
-<span class="sourceLineNo">090</span> int numNodes = 100;<a name="line.90"></a>
-<span class="sourceLineNo">091</span> int numRegions = numNodes * 30;<a name="line.91"></a>
-<span class="sourceLineNo">092</span> int replication = 3; // 3 replicas per region<a name="line.92"></a>
-<span class="sourceLineNo">093</span> int numRegionsPerServer = 28;<a name="line.93"></a>
-<span class="sourceLineNo">094</span> int numTables = 1;<a name="line.94"></a>
-<span class="sourceLineNo">095</span> int numRacks = 4; // all replicas should be on a different rack<a name="line.95"></a>
-<span class="sourceLineNo">096</span> Map<ServerName, List<RegionInfo>> serverMap =<a name="line.96"></a>
-<span class="sourceLineNo">097</span> createServerMap(numNodes, numRegions, numRegionsPerServer, replication, numTables);<a name="line.97"></a>
-<span class="sourceLineNo">098</span> RackManager rm = new ForTestRackManager(numRacks);<a name="line.98"></a>
-<span class="sourceLineNo">099</span><a name="line.99"></a>
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+<span class="sourceLineNo">054</span> serverIndexes.put(key, numServers++);<a name="line.54"></a>
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+<span class="sourceLineNo">056</span> return "rack_" + serverIndexes.get(key) % numRacks;<a name="line.56"></a>
+<span class="sourceLineNo">057</span> }<a name="line.57"></a>
+<span class="sourceLineNo">058</span> }<a name="line.58"></a>
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+<span class="sourceLineNo">061</span> public void testRegionReplicationOnMidClusterWithRacks() {<a name="line.61"></a>
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+<span class="sourceLineNo">064</span> conf.setLong("hbase.master.balancer.stochastic.maxRunningTime", 120 * 1000); // 120 sec<a name="line.64"></a>
+<span class="sourceLineNo">065</span> loadBalancer.onConfigurationChange(conf);<a name="line.65"></a>
+<span class="sourceLineNo">066</span> int numNodes = 5;<a name="line.66"></a>
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+<span class="sourceLineNo">069</span> int numRegionsPerServer = 1;<a name="line.69"></a>
+<span class="sourceLineNo">070</span> int numTables = 1;<a name="line.70"></a>
+<span class="sourceLineNo">071</span> int numRacks = 3; // all replicas should be on a different rack<a name="line.71"></a>
+<span class="sourceLineNo">072</span> Map<ServerName, List<RegionInfo>> serverMap =<a name="line.72"></a>
+<span class="sourceLineNo">073</span> createServerMap(numNodes, numRegions, numRegionsPerServer, replication, numTables);<a name="line.73"></a>
+<span class="sourceLineNo">074</span> RackManager rm = new ForTestRackManager(numRacks);<a name="line.74"></a>
+<span class="sourceLineNo">075</span> testWithClusterWithIteration(serverMap, rm, true, true);<a name="line.75"></a>
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+<span class="sourceLineNo">079</span> public void testRegionReplicationOnLargeClusterWithRacks() {<a name="line.79"></a>
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+<span class="sourceLineNo">082</span> conf.setLong("hbase.master.balancer.stochastic.maxRunningTime", 10 * 1000); // 10 sec<a name="line.82"></a>
+<span class="sourceLineNo">083</span> loadBalancer.onConfigurationChange(conf);<a name="line.83"></a>
+<span class="sourceLineNo">084</span> int numNodes = 100;<a name="line.84"></a>
+<span class="sourceLineNo">085</span> int numRegions = numNodes * 30;<a name="line.85"></a>
+<span class="sourceLineNo">086</span> int replication = 3; // 3 replicas per region<a name="line.86"></a>
+<span class="sourceLineNo">087</span> int numRegionsPerServer = 28;<a name="line.87"></a>
+<span class="sourceLineNo">088</span> int numTables = 1;<a name="line.88"></a>
+<span class="sourceLineNo">089</span> int numRacks = 4; // all replicas should be on a different rack<a name="line.89"></a>
+<span class="sourceLineNo">090</span> Map<ServerName, List<RegionInfo>> serverMap =<a name="line.90"></a>
+<span class="sourceLineNo">091</span> createServerMap(numNodes, numRegions, numRegionsPerServer, replication, numTables);<a name="line.91"></a>
+<span class="sourceLineNo">092</span> RackManager rm = new ForTestRackManager(numRacks);<a name="line.92"></a>
+<span class="sourceLineNo">093</span><a name="line.93"></a>
+<span class="sourceLineNo">094</span> testWithClusterWithIteration(serverMap, rm, true, true);<a name="line.94"></a>
+<span class="sourceLineNo">095</span> }<a name="line.95"></a>
+<span class="sourceLineNo">096</span>}<a name="line.96"></a>
diff --git a/testdevapidocs/src-html/org/apache/hadoop/hbase/master/balancer/TestStochasticLoadBalancerSmallCluster.html b/testdevapidocs/src-html/org/apache/hadoop/hbase/master/balancer/TestStochasticLoadBalancerSmallCluster.html
index adf80d0..bd26ba2 100644
--- a/testdevapidocs/src-html/org/apache/hadoop/hbase/master/balancer/TestStochasticLoadBalancerSmallCluster.html
+++ b/testdevapidocs/src-html/org/apache/hadoop/hbase/master/balancer/TestStochasticLoadBalancerSmallCluster.html
@@ -66,7 +66,7 @@
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<span class="sourceLineNo">059</span> int replication = 1;<a name="line.59"></a>
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<span class="sourceLineNo">062</span> testWithCluster(numNodes, numRegions, numRegionsPerServer, replication, numTables, false,<a name="line.62"></a>
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<span class="sourceLineNo">064</span> }<a name="line.64"></a>