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<div class="subTitle">org.apache.hadoop.hbase.master.balancer</div>
<h2 title="Class TestRegionsOnMasterOptions" class="title">Class TestRegionsOnMasterOptions</h2>
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<pre>public class <a href="../../../../../../src-html/org/apache/hadoop/hbase/master/balancer/TestRegionsOnMasterOptions.html#line.58">TestRegionsOnMasterOptions</a>
extends <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a></pre>
<div class="block">Test options for regions on master; none, system, or any (i.e. master is like any other
regionserver). Checks how regions are deployed when each of the options are enabled.
It then does kill combinations to make sure the distribution is more than just for startup.
NOTE: Regions on Master does not work well. See HBASE-19828. Until addressed, disabling this
test.</div>
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<th class="colFirst" scope="col">Modifier and Type</th>
<th class="colLast" scope="col">Field and Description</th>
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<tr class="altColor">
<td class="colFirst"><code>private org.apache.hadoop.conf.Configuration</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/hbase/master/balancer/TestRegionsOnMasterOptions.html#c">c</a></span></code>&nbsp;</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>static <a href="../../../../../../org/apache/hadoop/hbase/HBaseClassTestRule.html" title="class in org.apache.hadoop.hbase">HBaseClassTestRule</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/hbase/master/balancer/TestRegionsOnMasterOptions.html#CLASS_RULE">CLASS_RULE</a></span></code>&nbsp;</td>
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<tr class="altColor">
<td class="colFirst"><code>private static org.slf4j.Logger</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/hbase/master/balancer/TestRegionsOnMasterOptions.html#LOG">LOG</a></span></code>&nbsp;</td>
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<tr class="rowColor">
<td class="colFirst"><code>private static int</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/hbase/master/balancer/TestRegionsOnMasterOptions.html#MASTERS">MASTERS</a></span></code>&nbsp;</td>
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<tr class="altColor">
<td class="colFirst"><code>org.junit.rules.TestName</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/hbase/master/balancer/TestRegionsOnMasterOptions.html#name">name</a></span></code>&nbsp;</td>
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<td class="colFirst"><code>private static int</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/hbase/master/balancer/TestRegionsOnMasterOptions.html#REGIONS">REGIONS</a></span></code>&nbsp;</td>
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<tr class="altColor">
<td class="colFirst"><code>private static int</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/hbase/master/balancer/TestRegionsOnMasterOptions.html#SLAVES">SLAVES</a></span></code>&nbsp;</td>
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<tr class="rowColor">
<td class="colFirst"><code>private static int</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/hbase/master/balancer/TestRegionsOnMasterOptions.html#SYSTEM_REGIONS">SYSTEM_REGIONS</a></span></code>&nbsp;</td>
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<td class="colFirst"><code>private <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/hbase/master/balancer/TestRegionsOnMasterOptions.html#systemTablesOnMasterOldValue">systemTablesOnMasterOldValue</a></span></code>&nbsp;</td>
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<td class="colFirst"><code>private <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/hbase/master/balancer/TestRegionsOnMasterOptions.html#tablesOnMasterOldValue">tablesOnMasterOldValue</a></span></code>&nbsp;</td>
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<td class="colFirst"><code>private static <a href="../../../../../../org/apache/hadoop/hbase/HBaseTestingUtility.html" title="class in org.apache.hadoop.hbase">HBaseTestingUtility</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/hbase/master/balancer/TestRegionsOnMasterOptions.html#TEST_UTIL">TEST_UTIL</a></span></code>&nbsp;</td>
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<td class="colOne"><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/hbase/master/balancer/TestRegionsOnMasterOptions.html#TestRegionsOnMasterOptions--">TestRegionsOnMasterOptions</a></span>()</code>&nbsp;</td>
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<td class="colFirst"><code>private void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/hbase/master/balancer/TestRegionsOnMasterOptions.html#checkBalance-int-int-">checkBalance</a></span>(int&nbsp;masterCount,
int&nbsp;rsCount)</code>&nbsp;</td>
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<td class="colFirst"><code>private void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/hbase/master/balancer/TestRegionsOnMasterOptions.html#checkCount-int-int-">checkCount</a></span>(int&nbsp;actual,
int&nbsp;expected)</code>&nbsp;</td>
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<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/hbase/master/balancer/TestRegionsOnMasterOptions.html#setup--">setup</a></span>()</code>&nbsp;</td>
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<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/hbase/master/balancer/TestRegionsOnMasterOptions.html#tearDown--">tearDown</a></span>()</code>&nbsp;</td>
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<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/hbase/master/balancer/TestRegionsOnMasterOptions.html#testNoRegionOnMaster--">testNoRegionOnMaster</a></span>()</code>&nbsp;</td>
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<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/hbase/master/balancer/TestRegionsOnMasterOptions.html#testRegionsOnAllServers--">testRegionsOnAllServers</a></span>()</code>&nbsp;</td>
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<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/hbase/master/balancer/TestRegionsOnMasterOptions.html#testSystemTablesOnMaster--">testSystemTablesOnMaster</a></span>()</code>&nbsp;</td>
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<td class="colFirst"><code>private void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/hbase/master/balancer/TestRegionsOnMasterOptions.html#unset-java.lang.String-java.lang.String-">unset</a></span>(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;key,
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<pre>public static final&nbsp;<a href="../../../../../../org/apache/hadoop/hbase/HBaseClassTestRule.html" title="class in org.apache.hadoop.hbase">HBaseClassTestRule</a> <a href="../../../../../../src-html/org/apache/hadoop/hbase/master/balancer/TestRegionsOnMasterOptions.html#line.61">CLASS_RULE</a></pre>
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<pre>private static final&nbsp;org.slf4j.Logger <a href="../../../../../../src-html/org/apache/hadoop/hbase/master/balancer/TestRegionsOnMasterOptions.html#line.64">LOG</a></pre>
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<pre>public&nbsp;org.junit.rules.TestName <a href="../../../../../../src-html/org/apache/hadoop/hbase/master/balancer/TestRegionsOnMasterOptions.html#line.65">name</a></pre>
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<pre>private static final&nbsp;<a href="../../../../../../org/apache/hadoop/hbase/HBaseTestingUtility.html" title="class in org.apache.hadoop.hbase">HBaseTestingUtility</a> <a href="../../../../../../src-html/org/apache/hadoop/hbase/master/balancer/TestRegionsOnMasterOptions.html#line.66">TEST_UTIL</a></pre>
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<pre>private&nbsp;org.apache.hadoop.conf.Configuration <a href="../../../../../../src-html/org/apache/hadoop/hbase/master/balancer/TestRegionsOnMasterOptions.html#line.67">c</a></pre>
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<pre>private static final&nbsp;int <a href="../../../../../../src-html/org/apache/hadoop/hbase/master/balancer/TestRegionsOnMasterOptions.html#line.70">SLAVES</a></pre>
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<pre>private static final&nbsp;int <a href="../../../../../../src-html/org/apache/hadoop/hbase/master/balancer/TestRegionsOnMasterOptions.html#line.71">MASTERS</a></pre>
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<pre>private static final&nbsp;int <a href="../../../../../../src-html/org/apache/hadoop/hbase/master/balancer/TestRegionsOnMasterOptions.html#line.75">REGIONS</a></pre>
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<pre>private static final&nbsp;int <a href="../../../../../../src-html/org/apache/hadoop/hbase/master/balancer/TestRegionsOnMasterOptions.html#line.76">SYSTEM_REGIONS</a></pre>
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<pre>public&nbsp;<a href="../../../../../../src-html/org/apache/hadoop/hbase/master/balancer/TestRegionsOnMasterOptions.html#line.58">TestRegionsOnMasterOptions</a>()</pre>
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<pre>public&nbsp;void&nbsp;<a href="../../../../../../src-html/org/apache/hadoop/hbase/master/balancer/TestRegionsOnMasterOptions.html#line.79">setup</a>()</pre>
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<pre>public&nbsp;void&nbsp;<a href="../../../../../../src-html/org/apache/hadoop/hbase/master/balancer/TestRegionsOnMasterOptions.html#line.86">tearDown</a>()</pre>
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<pre>private&nbsp;void&nbsp;<a href="../../../../../../src-html/org/apache/hadoop/hbase/master/balancer/TestRegionsOnMasterOptions.html#line.91">unset</a>(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;key,
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<pre>public&nbsp;void&nbsp;<a href="../../../../../../src-html/org/apache/hadoop/hbase/master/balancer/TestRegionsOnMasterOptions.html#line.100">testRegionsOnAllServers</a>()
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<pre>public&nbsp;void&nbsp;<a href="../../../../../../src-html/org/apache/hadoop/hbase/master/balancer/TestRegionsOnMasterOptions.html#line.108">testNoRegionOnMaster</a>()
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<pre>public&nbsp;void&nbsp;<a href="../../../../../../src-html/org/apache/hadoop/hbase/master/balancer/TestRegionsOnMasterOptions.html#line.118">testSystemTablesOnMaster</a>()
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<pre>private&nbsp;void&nbsp;<a href="../../../../../../src-html/org/apache/hadoop/hbase/master/balancer/TestRegionsOnMasterOptions.html#line.160">checkBalance</a>(int&nbsp;masterCount,
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<pre>private&nbsp;void&nbsp;<a href="../../../../../../src-html/org/apache/hadoop/hbase/master/balancer/TestRegionsOnMasterOptions.html#line.216">checkCount</a>(int&nbsp;actual,
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