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From git-site-r...@apache.org
Subject [03/21] hbase-site git commit: Published site at e42741e0858a59961ae0900b5ef073e16ef6126c.
Date Fri, 05 Oct 2018 14:52:30 GMT
http://git-wip-us.apache.org/repos/asf/hbase-site/blob/7ea632ae/testdevapidocs/src-html/org/apache/hadoop/hbase/rsgroup/TestRSGroupsBase.html
----------------------------------------------------------------------
diff --git a/testdevapidocs/src-html/org/apache/hadoop/hbase/rsgroup/TestRSGroupsBase.html b/testdevapidocs/src-html/org/apache/hadoop/hbase/rsgroup/TestRSGroupsBase.html
index 51b3825..f6c2121 100644
--- a/testdevapidocs/src-html/org/apache/hadoop/hbase/rsgroup/TestRSGroupsBase.html
+++ b/testdevapidocs/src-html/org/apache/hadoop/hbase/rsgroup/TestRSGroupsBase.html
@@ -25,1139 +25,471 @@
 <span class="sourceLineNo">017</span> */<a name="line.17"></a>
 <span class="sourceLineNo">018</span>package org.apache.hadoop.hbase.rsgroup;<a name="line.18"></a>
 <span class="sourceLineNo">019</span><a name="line.19"></a>
-<span class="sourceLineNo">020</span>import static org.junit.Assert.assertEquals;<a name="line.20"></a>
-<span class="sourceLineNo">021</span>import static org.junit.Assert.assertFalse;<a name="line.21"></a>
-<span class="sourceLineNo">022</span>import static org.junit.Assert.assertNull;<a name="line.22"></a>
-<span class="sourceLineNo">023</span>import static org.junit.Assert.assertTrue;<a name="line.23"></a>
-<span class="sourceLineNo">024</span>import static org.junit.Assert.fail;<a name="line.24"></a>
-<span class="sourceLineNo">025</span><a name="line.25"></a>
-<span class="sourceLineNo">026</span>import java.io.IOException;<a name="line.26"></a>
-<span class="sourceLineNo">027</span>import java.security.SecureRandom;<a name="line.27"></a>
-<span class="sourceLineNo">028</span>import java.util.ArrayList;<a name="line.28"></a>
-<span class="sourceLineNo">029</span>import java.util.EnumSet;<a name="line.29"></a>
-<span class="sourceLineNo">030</span>import java.util.HashSet;<a name="line.30"></a>
-<span class="sourceLineNo">031</span>import java.util.Iterator;<a name="line.31"></a>
-<span class="sourceLineNo">032</span>import java.util.LinkedList;<a name="line.32"></a>
-<span class="sourceLineNo">033</span>import java.util.List;<a name="line.33"></a>
-<span class="sourceLineNo">034</span>import java.util.Map;<a name="line.34"></a>
-<span class="sourceLineNo">035</span>import java.util.Set;<a name="line.35"></a>
-<span class="sourceLineNo">036</span>import java.util.TreeMap;<a name="line.36"></a>
-<span class="sourceLineNo">037</span>import org.apache.hadoop.hbase.ClusterMetrics;<a name="line.37"></a>
-<span class="sourceLineNo">038</span>import org.apache.hadoop.hbase.ClusterMetrics.Option;<a name="line.38"></a>
-<span class="sourceLineNo">039</span>import org.apache.hadoop.hbase.HBaseCluster;<a name="line.39"></a>
-<span class="sourceLineNo">040</span>import org.apache.hadoop.hbase.HBaseTestingUtility;<a name="line.40"></a>
-<span class="sourceLineNo">041</span>import org.apache.hadoop.hbase.HColumnDescriptor;<a name="line.41"></a>
-<span class="sourceLineNo">042</span>import org.apache.hadoop.hbase.HTableDescriptor;<a name="line.42"></a>
-<span class="sourceLineNo">043</span>import org.apache.hadoop.hbase.NamespaceDescriptor;<a name="line.43"></a>
-<span class="sourceLineNo">044</span>import org.apache.hadoop.hbase.RegionMetrics;<a name="line.44"></a>
-<span class="sourceLineNo">045</span>import org.apache.hadoop.hbase.ServerMetrics;<a name="line.45"></a>
-<span class="sourceLineNo">046</span>import org.apache.hadoop.hbase.ServerName;<a name="line.46"></a>
-<span class="sourceLineNo">047</span>import org.apache.hadoop.hbase.TableName;<a name="line.47"></a>
-<span class="sourceLineNo">048</span>import org.apache.hadoop.hbase.TableNotFoundException;<a name="line.48"></a>
-<span class="sourceLineNo">049</span>import org.apache.hadoop.hbase.Waiter;<a name="line.49"></a>
-<span class="sourceLineNo">050</span>import org.apache.hadoop.hbase.client.Admin;<a name="line.50"></a>
-<span class="sourceLineNo">051</span>import org.apache.hadoop.hbase.client.ClusterConnection;<a name="line.51"></a>
-<span class="sourceLineNo">052</span>import org.apache.hadoop.hbase.client.RegionInfo;<a name="line.52"></a>
-<span class="sourceLineNo">053</span>import org.apache.hadoop.hbase.constraint.ConstraintException;<a name="line.53"></a>
-<span class="sourceLineNo">054</span>import org.apache.hadoop.hbase.master.HMaster;<a name="line.54"></a>
-<span class="sourceLineNo">055</span>import org.apache.hadoop.hbase.net.Address;<a name="line.55"></a>
-<span class="sourceLineNo">056</span>import org.apache.hadoop.hbase.util.Bytes;<a name="line.56"></a>
-<span class="sourceLineNo">057</span>import org.junit.Assert;<a name="line.57"></a>
-<span class="sourceLineNo">058</span>import org.junit.Before;<a name="line.58"></a>
-<span class="sourceLineNo">059</span>import org.junit.Rule;<a name="line.59"></a>
-<span class="sourceLineNo">060</span>import org.junit.Test;<a name="line.60"></a>
+<span class="sourceLineNo">020</span>import static org.junit.Assert.assertTrue;<a name="line.20"></a>
+<span class="sourceLineNo">021</span><a name="line.21"></a>
+<span class="sourceLineNo">022</span>import java.io.IOException;<a name="line.22"></a>
+<span class="sourceLineNo">023</span>import java.util.EnumSet;<a name="line.23"></a>
+<span class="sourceLineNo">024</span>import java.util.HashSet;<a name="line.24"></a>
+<span class="sourceLineNo">025</span>import java.util.LinkedList;<a name="line.25"></a>
+<span class="sourceLineNo">026</span>import java.util.List;<a name="line.26"></a>
+<span class="sourceLineNo">027</span>import java.util.Map;<a name="line.27"></a>
+<span class="sourceLineNo">028</span>import java.util.Optional;<a name="line.28"></a>
+<span class="sourceLineNo">029</span>import java.util.Random;<a name="line.29"></a>
+<span class="sourceLineNo">030</span>import java.util.Set;<a name="line.30"></a>
+<span class="sourceLineNo">031</span>import java.util.TreeMap;<a name="line.31"></a>
+<span class="sourceLineNo">032</span><a name="line.32"></a>
+<span class="sourceLineNo">033</span>import org.apache.hadoop.hbase.ClusterMetrics;<a name="line.33"></a>
+<span class="sourceLineNo">034</span>import org.apache.hadoop.hbase.ClusterMetrics.Option;<a name="line.34"></a>
+<span class="sourceLineNo">035</span>import org.apache.hadoop.hbase.HBaseCluster;<a name="line.35"></a>
+<span class="sourceLineNo">036</span>import org.apache.hadoop.hbase.HBaseTestingUtility;<a name="line.36"></a>
+<span class="sourceLineNo">037</span>import org.apache.hadoop.hbase.HConstants;<a name="line.37"></a>
+<span class="sourceLineNo">038</span>import org.apache.hadoop.hbase.MiniHBaseCluster;<a name="line.38"></a>
+<span class="sourceLineNo">039</span>import org.apache.hadoop.hbase.NamespaceDescriptor;<a name="line.39"></a>
+<span class="sourceLineNo">040</span>import org.apache.hadoop.hbase.RegionMetrics;<a name="line.40"></a>
+<span class="sourceLineNo">041</span>import org.apache.hadoop.hbase.ServerMetrics;<a name="line.41"></a>
+<span class="sourceLineNo">042</span>import org.apache.hadoop.hbase.ServerName;<a name="line.42"></a>
+<span class="sourceLineNo">043</span>import org.apache.hadoop.hbase.TableName;<a name="line.43"></a>
+<span class="sourceLineNo">044</span>import org.apache.hadoop.hbase.Waiter;<a name="line.44"></a>
+<span class="sourceLineNo">045</span>import org.apache.hadoop.hbase.client.Admin;<a name="line.45"></a>
+<span class="sourceLineNo">046</span>import org.apache.hadoop.hbase.client.RegionInfo;<a name="line.46"></a>
+<span class="sourceLineNo">047</span>import org.apache.hadoop.hbase.client.TableDescriptor;<a name="line.47"></a>
+<span class="sourceLineNo">048</span>import org.apache.hadoop.hbase.coprocessor.CoprocessorHost;<a name="line.48"></a>
+<span class="sourceLineNo">049</span>import org.apache.hadoop.hbase.coprocessor.MasterCoprocessor;<a name="line.49"></a>
+<span class="sourceLineNo">050</span>import org.apache.hadoop.hbase.coprocessor.MasterCoprocessorEnvironment;<a name="line.50"></a>
+<span class="sourceLineNo">051</span>import org.apache.hadoop.hbase.coprocessor.MasterObserver;<a name="line.51"></a>
+<span class="sourceLineNo">052</span>import org.apache.hadoop.hbase.coprocessor.ObserverContext;<a name="line.52"></a>
+<span class="sourceLineNo">053</span>import org.apache.hadoop.hbase.master.HMaster;<a name="line.53"></a>
+<span class="sourceLineNo">054</span>import org.apache.hadoop.hbase.master.MasterCoprocessorHost;<a name="line.54"></a>
+<span class="sourceLineNo">055</span>import org.apache.hadoop.hbase.master.ServerManager;<a name="line.55"></a>
+<span class="sourceLineNo">056</span>import org.apache.hadoop.hbase.master.snapshot.SnapshotManager;<a name="line.56"></a>
+<span class="sourceLineNo">057</span>import org.apache.hadoop.hbase.net.Address;<a name="line.57"></a>
+<span class="sourceLineNo">058</span>import org.apache.hadoop.hbase.util.Bytes;<a name="line.58"></a>
+<span class="sourceLineNo">059</span><a name="line.59"></a>
+<span class="sourceLineNo">060</span>import org.junit.Rule;<a name="line.60"></a>
 <span class="sourceLineNo">061</span>import org.junit.rules.TestName;<a name="line.61"></a>
 <span class="sourceLineNo">062</span>import org.slf4j.Logger;<a name="line.62"></a>
 <span class="sourceLineNo">063</span>import org.slf4j.LoggerFactory;<a name="line.63"></a>
 <span class="sourceLineNo">064</span><a name="line.64"></a>
-<span class="sourceLineNo">065</span>import org.apache.hbase.thirdparty.com.google.common.collect.Lists;<a name="line.65"></a>
-<span class="sourceLineNo">066</span>import org.apache.hbase.thirdparty.com.google.common.collect.Maps;<a name="line.66"></a>
-<span class="sourceLineNo">067</span>import org.apache.hbase.thirdparty.com.google.common.collect.Sets;<a name="line.67"></a>
-<span class="sourceLineNo">068</span>import org.apache.hadoop.hbase.shaded.protobuf.ProtobufUtil;<a name="line.68"></a>
-<span class="sourceLineNo">069</span>import org.apache.hadoop.hbase.shaded.protobuf.generated.AdminProtos;<a name="line.69"></a>
-<span class="sourceLineNo">070</span>import org.apache.hadoop.hbase.shaded.protobuf.generated.AdminProtos.GetServerInfoRequest;<a name="line.70"></a>
-<span class="sourceLineNo">071</span><a name="line.71"></a>
-<span class="sourceLineNo">072</span>public abstract class TestRSGroupsBase {<a name="line.72"></a>
-<span class="sourceLineNo">073</span>  protected static final Logger LOG = LoggerFactory.getLogger(TestRSGroupsBase.class);<a name="line.73"></a>
-<span class="sourceLineNo">074</span>  @Rule<a name="line.74"></a>
-<span class="sourceLineNo">075</span>  public TestName name = new TestName();<a name="line.75"></a>
-<span class="sourceLineNo">076</span><a name="line.76"></a>
-<span class="sourceLineNo">077</span>  //shared<a name="line.77"></a>
-<span class="sourceLineNo">078</span>  protected final static String groupPrefix = "Group";<a name="line.78"></a>
-<span class="sourceLineNo">079</span>  protected final static String tablePrefix = "Group";<a name="line.79"></a>
-<span class="sourceLineNo">080</span>  protected final static SecureRandom rand = new SecureRandom();<a name="line.80"></a>
-<span class="sourceLineNo">081</span><a name="line.81"></a>
-<span class="sourceLineNo">082</span>  //shared, cluster type specific<a name="line.82"></a>
-<span class="sourceLineNo">083</span>  protected static HBaseTestingUtility TEST_UTIL;<a name="line.83"></a>
-<span class="sourceLineNo">084</span>  protected static Admin admin;<a name="line.84"></a>
-<span class="sourceLineNo">085</span>  protected static HBaseCluster cluster;<a name="line.85"></a>
-<span class="sourceLineNo">086</span>  protected static RSGroupAdmin rsGroupAdmin;<a name="line.86"></a>
-<span class="sourceLineNo">087</span>  protected static HMaster master;<a name="line.87"></a>
-<span class="sourceLineNo">088</span><a name="line.88"></a>
-<span class="sourceLineNo">089</span>  public final static long WAIT_TIMEOUT = 60000*5;<a name="line.89"></a>
-<span class="sourceLineNo">090</span>  public final static int NUM_SLAVES_BASE = 4; //number of slaves for the smallest cluster<a name="line.90"></a>
-<span class="sourceLineNo">091</span>  public static int NUM_DEAD_SERVERS = 0;<a name="line.91"></a>
-<span class="sourceLineNo">092</span><a name="line.92"></a>
-<span class="sourceLineNo">093</span>  // Per test variables<a name="line.93"></a>
-<span class="sourceLineNo">094</span>  TableName tableName;<a name="line.94"></a>
-<span class="sourceLineNo">095</span>  @Before<a name="line.95"></a>
-<span class="sourceLineNo">096</span>  public void setup() {<a name="line.96"></a>
-<span class="sourceLineNo">097</span>    LOG.info(name.getMethodName());<a name="line.97"></a>
-<span class="sourceLineNo">098</span>    tableName = TableName.valueOf(tablePrefix + "_" + name.getMethodName());<a name="line.98"></a>
-<span class="sourceLineNo">099</span>  }<a name="line.99"></a>
-<span class="sourceLineNo">100</span><a name="line.100"></a>
-<span class="sourceLineNo">101</span>  protected RSGroupInfo addGroup(String groupName, int serverCount)<a name="line.101"></a>
-<span class="sourceLineNo">102</span>      throws IOException, InterruptedException {<a name="line.102"></a>
-<span class="sourceLineNo">103</span>    RSGroupInfo defaultInfo = rsGroupAdmin.getRSGroupInfo(RSGroupInfo.DEFAULT_GROUP);<a name="line.103"></a>
-<span class="sourceLineNo">104</span>    assertTrue(defaultInfo != null);<a name="line.104"></a>
-<span class="sourceLineNo">105</span>    assertTrue(defaultInfo.getServers().size() &gt;= serverCount);<a name="line.105"></a>
-<span class="sourceLineNo">106</span>    rsGroupAdmin.addRSGroup(groupName);<a name="line.106"></a>
-<span class="sourceLineNo">107</span><a name="line.107"></a>
-<span class="sourceLineNo">108</span>    Set&lt;Address&gt; set = new HashSet&lt;&gt;();<a name="line.108"></a>
-<span class="sourceLineNo">109</span>    for(Address server: defaultInfo.getServers()) {<a name="line.109"></a>
-<span class="sourceLineNo">110</span>      if(set.size() == serverCount) {<a name="line.110"></a>
-<span class="sourceLineNo">111</span>        break;<a name="line.111"></a>
-<span class="sourceLineNo">112</span>      }<a name="line.112"></a>
-<span class="sourceLineNo">113</span>      set.add(server);<a name="line.113"></a>
-<span class="sourceLineNo">114</span>    }<a name="line.114"></a>
-<span class="sourceLineNo">115</span>    rsGroupAdmin.moveServers(set, groupName);<a name="line.115"></a>
-<span class="sourceLineNo">116</span>    RSGroupInfo result = rsGroupAdmin.getRSGroupInfo(groupName);<a name="line.116"></a>
-<span class="sourceLineNo">117</span>    assertTrue(result.getServers().size() &gt;= serverCount);<a name="line.117"></a>
-<span class="sourceLineNo">118</span>    return result;<a name="line.118"></a>
-<span class="sourceLineNo">119</span>  }<a name="line.119"></a>
-<span class="sourceLineNo">120</span><a name="line.120"></a>
-<span class="sourceLineNo">121</span>  void removeGroup(String groupName) throws IOException {<a name="line.121"></a>
-<span class="sourceLineNo">122</span>    RSGroupInfo RSGroupInfo = rsGroupAdmin.getRSGroupInfo(groupName);<a name="line.122"></a>
-<span class="sourceLineNo">123</span>    rsGroupAdmin.moveTables(RSGroupInfo.getTables(), RSGroupInfo.DEFAULT_GROUP);<a name="line.123"></a>
-<span class="sourceLineNo">124</span>    rsGroupAdmin.moveServers(RSGroupInfo.getServers(), RSGroupInfo.DEFAULT_GROUP);<a name="line.124"></a>
-<span class="sourceLineNo">125</span>    rsGroupAdmin.removeRSGroup(groupName);<a name="line.125"></a>
-<span class="sourceLineNo">126</span>  }<a name="line.126"></a>
-<span class="sourceLineNo">127</span><a name="line.127"></a>
-<span class="sourceLineNo">128</span>  protected void deleteTableIfNecessary() throws IOException {<a name="line.128"></a>
-<span class="sourceLineNo">129</span>    for (HTableDescriptor desc : TEST_UTIL.getAdmin().listTables(tablePrefix+".*")) {<a name="line.129"></a>
-<span class="sourceLineNo">130</span>      TEST_UTIL.deleteTable(desc.getTableName());<a name="line.130"></a>
-<span class="sourceLineNo">131</span>    }<a name="line.131"></a>
+<span class="sourceLineNo">065</span>import org.apache.hbase.thirdparty.com.google.common.collect.Maps;<a name="line.65"></a>
+<span class="sourceLineNo">066</span>import org.apache.hbase.thirdparty.com.google.common.collect.Sets;<a name="line.66"></a>
+<span class="sourceLineNo">067</span><a name="line.67"></a>
+<span class="sourceLineNo">068</span>public abstract class TestRSGroupsBase {<a name="line.68"></a>
+<span class="sourceLineNo">069</span>  protected static final Logger LOG = LoggerFactory.getLogger(TestRSGroupsBase.class);<a name="line.69"></a>
+<span class="sourceLineNo">070</span><a name="line.70"></a>
+<span class="sourceLineNo">071</span>  //shared<a name="line.71"></a>
+<span class="sourceLineNo">072</span>  protected final static String groupPrefix = "Group";<a name="line.72"></a>
+<span class="sourceLineNo">073</span>  protected final static String tablePrefix = "Group";<a name="line.73"></a>
+<span class="sourceLineNo">074</span>  protected final static Random rand = new Random();<a name="line.74"></a>
+<span class="sourceLineNo">075</span><a name="line.75"></a>
+<span class="sourceLineNo">076</span>  //shared, cluster type specific<a name="line.76"></a>
+<span class="sourceLineNo">077</span>  protected static HBaseTestingUtility TEST_UTIL;<a name="line.77"></a>
+<span class="sourceLineNo">078</span>  protected static Admin admin;<a name="line.78"></a>
+<span class="sourceLineNo">079</span>  protected static HBaseCluster cluster;<a name="line.79"></a>
+<span class="sourceLineNo">080</span>  protected static RSGroupAdmin rsGroupAdmin;<a name="line.80"></a>
+<span class="sourceLineNo">081</span>  protected static HMaster master;<a name="line.81"></a>
+<span class="sourceLineNo">082</span>  protected static boolean INIT = false;<a name="line.82"></a>
+<span class="sourceLineNo">083</span>  protected static RSGroupAdminEndpoint rsGroupAdminEndpoint;<a name="line.83"></a>
+<span class="sourceLineNo">084</span>  protected static CPMasterObserver observer;<a name="line.84"></a>
+<span class="sourceLineNo">085</span><a name="line.85"></a>
+<span class="sourceLineNo">086</span>  public final static long WAIT_TIMEOUT = 60000*5;<a name="line.86"></a>
+<span class="sourceLineNo">087</span>  public final static int NUM_SLAVES_BASE = 4; //number of slaves for the smallest cluster<a name="line.87"></a>
+<span class="sourceLineNo">088</span>  public static int NUM_DEAD_SERVERS = 0;<a name="line.88"></a>
+<span class="sourceLineNo">089</span><a name="line.89"></a>
+<span class="sourceLineNo">090</span>  // Per test variables<a name="line.90"></a>
+<span class="sourceLineNo">091</span>  @Rule<a name="line.91"></a>
+<span class="sourceLineNo">092</span>  public TestName name = new TestName();<a name="line.92"></a>
+<span class="sourceLineNo">093</span>  protected TableName tableName;<a name="line.93"></a>
+<span class="sourceLineNo">094</span><a name="line.94"></a>
+<span class="sourceLineNo">095</span>  public static void setUpTestBeforeClass() throws Exception {<a name="line.95"></a>
+<span class="sourceLineNo">096</span>    TEST_UTIL = new HBaseTestingUtility();<a name="line.96"></a>
+<span class="sourceLineNo">097</span>    TEST_UTIL.getConfiguration().setFloat(<a name="line.97"></a>
+<span class="sourceLineNo">098</span>            "hbase.master.balancer.stochastic.tableSkewCost", 6000);<a name="line.98"></a>
+<span class="sourceLineNo">099</span>    TEST_UTIL.getConfiguration().set(<a name="line.99"></a>
+<span class="sourceLineNo">100</span>        HConstants.HBASE_MASTER_LOADBALANCER_CLASS,<a name="line.100"></a>
+<span class="sourceLineNo">101</span>        RSGroupBasedLoadBalancer.class.getName());<a name="line.101"></a>
+<span class="sourceLineNo">102</span>    TEST_UTIL.getConfiguration().set(CoprocessorHost.MASTER_COPROCESSOR_CONF_KEY,<a name="line.102"></a>
+<span class="sourceLineNo">103</span>        RSGroupAdminEndpoint.class.getName() + "," + CPMasterObserver.class.getName());<a name="line.103"></a>
+<span class="sourceLineNo">104</span>    TEST_UTIL.startMiniCluster(NUM_SLAVES_BASE - 1);<a name="line.104"></a>
+<span class="sourceLineNo">105</span>    TEST_UTIL.getConfiguration().setInt(<a name="line.105"></a>
+<span class="sourceLineNo">106</span>        ServerManager.WAIT_ON_REGIONSERVERS_MINTOSTART,<a name="line.106"></a>
+<span class="sourceLineNo">107</span>        NUM_SLAVES_BASE - 1);<a name="line.107"></a>
+<span class="sourceLineNo">108</span>    TEST_UTIL.getConfiguration().setBoolean(SnapshotManager.HBASE_SNAPSHOT_ENABLED, true);<a name="line.108"></a>
+<span class="sourceLineNo">109</span>    initialize();<a name="line.109"></a>
+<span class="sourceLineNo">110</span>  }<a name="line.110"></a>
+<span class="sourceLineNo">111</span><a name="line.111"></a>
+<span class="sourceLineNo">112</span>  protected static void initialize() throws Exception {<a name="line.112"></a>
+<span class="sourceLineNo">113</span>    admin = TEST_UTIL.getAdmin();<a name="line.113"></a>
+<span class="sourceLineNo">114</span>    cluster = TEST_UTIL.getHBaseCluster();<a name="line.114"></a>
+<span class="sourceLineNo">115</span>    master = ((MiniHBaseCluster)cluster).getMaster();<a name="line.115"></a>
+<span class="sourceLineNo">116</span><a name="line.116"></a>
+<span class="sourceLineNo">117</span>    //wait for balancer to come online<a name="line.117"></a>
+<span class="sourceLineNo">118</span>    TEST_UTIL.waitFor(WAIT_TIMEOUT, new Waiter.Predicate&lt;Exception&gt;() {<a name="line.118"></a>
+<span class="sourceLineNo">119</span>      @Override<a name="line.119"></a>
+<span class="sourceLineNo">120</span>      public boolean evaluate() throws Exception {<a name="line.120"></a>
+<span class="sourceLineNo">121</span>        return master.isInitialized() &amp;&amp;<a name="line.121"></a>
+<span class="sourceLineNo">122</span>            ((RSGroupBasedLoadBalancer) master.getLoadBalancer()).isOnline();<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>    admin.setBalancerRunning(false,true);<a name="line.125"></a>
+<span class="sourceLineNo">126</span>    rsGroupAdmin = new VerifyingRSGroupAdminClient(<a name="line.126"></a>
+<span class="sourceLineNo">127</span>        new RSGroupAdminClient(TEST_UTIL.getConnection()), TEST_UTIL.getConfiguration());<a name="line.127"></a>
+<span class="sourceLineNo">128</span>    MasterCoprocessorHost host = master.getMasterCoprocessorHost();<a name="line.128"></a>
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-<span class="sourceLineNo">370</span>    rsGroupAdmin.moveServers(fooGroup.getServers(), RSGroupInfo.DEFAULT_GROUP);<a name="line.370"></a>
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-<span class="sourceLineNo">374</span>      public boolean evaluate() throws Exception {<a name="line.374"></a>
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-<span class="sourceLineNo">383</span>    //test group removal<a name="line.383"></a>
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+<span class="sourceLineNo">369</span>    public void postRemoveServers(<a name="line.369"></a>
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+<span class="sourceLineNo">373</span>    }<a name="line.373"></a>
+<span class="sourceLineNo">374</span><a name="line.374"></a>
+<span class="sourceLineNo">375</span>    @Override<a name="line.375"></a>
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+<span class="sourceLineNo">380</span><a name="line.380"></a>
+<span class="sourceLineNo">381</span>    @Override<a name="line.381"></a>
+<span class="sourceLineNo">382</span>    public void postRemoveRSGroup(final ObserverContext&lt;MasterCoprocessorEnvironment&gt; ctx,<a name="line.382"></a>
+<span class="sourceLineNo">383</span>        String name) throws IOException {<a name="line.383"></a>
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+<span class="sourceLineNo">386</span><a name="line.386"></a>
+<span class="sourceLineNo">387</span>    @Override<a name="line.387"></a>
+<span class="sourceLineNo">388</span>    public void preAddRSGroup(final ObserverContext&lt;MasterCoprocessorEnvironment&gt; ctx,<a name="line.388"></a>
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+<span class="sourceLineNo">394</span>    public void postAddRSGroup(final ObserverContext&lt;MasterCoprocessorEnvironment&gt; ctx,<a name="line.394"></a>
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+<span class="sourceLineNo">398</span><a name="line.398"></a>
+<span class="sourceLineNo">399</span>    @Override<a name="line.399"></a>
+<span class="sourceLineNo">400</span>    public void preMoveTables(final ObserverContext&lt;MasterCoprocessorEnvironment&gt; ctx,<a name="line.400"></a>
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+<span class="sourceLineNo">403</span>    }<a name="line.403"></a>
+<span class="sourceLineNo">404</span><a name="line.404"></a>
+<span class="sourceLineNo">405</span>    @Override<a name="line.405"></a>
+<span class="sourceLineNo">406</span>    public void postMoveTables(final ObserverContext&lt;MasterCoprocessorEnvironment&gt; ctx,<a name="line.406"></a>
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+<span class="sourceLineNo">409</span>    }<a name="line.409"></a>
 <span class="sourceLineNo">410</span><a name="line.410"></a>
-<span class="sourceLineNo">411</span>    //change table's group<a name="line.411"></a>
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-<span class="sourceLineNo">414</span><a name="line.414"></a>
-<span class="sourceLineNo">415</span>    //verify group change<a name="line.415"></a>
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-<span class="sourceLineNo">421</span>      public boolean evaluate() throws Exception {<a name="line.421"></a>
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-<span class="sourceLineNo">423</span>        int count = 0;<a name="line.423"></a>
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-<span class="sourceLineNo">429</span>          }<a name="line.429"></a>
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-<span class="sourceLineNo">431</span>        return count == 5;<a name="line.431"></a>
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-<span class="sourceLineNo">433</span>    });<a name="line.433"></a>
+<span class="sourceLineNo">411</span>    @Override<a name="line.411"></a>
+<span class="sourceLineNo">412</span>    public void preMoveServers(final ObserverContext&lt;MasterCoprocessorEnvironment&gt; ctx,<a name="line.412"></a>
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+<span class="sourceLineNo">414</span>      preMoveServersCalled = true;<a name="line.414"></a>
+<span class="sourceLineNo">415</span>    }<a name="line.415"></a>
+<span class="sourceLineNo">416</span><a name="line.416"></a>
+<span class="sourceLineNo">417</span>    @Override<a name="line.417"></a>
+<span class="sourceLineNo">418</span>    public void postMoveServers(final ObserverContext&lt;MasterCoprocessorEnvironment&gt; ctx,<a name="line.418"></a>
+<span class="sourceLineNo">419</span>        Set&lt;Address&gt; servers, String targetGroup) throws IOException {<a name="line.419"></a>
+<span class="sourceLineNo">420</span>      postMoveServersCalled = true;<a name="line.420"></a>
+<span class="sourceLineNo">421</span>    }<a name="line.421"></a>
+<span class="sourceLineNo">422</span><a name="line.422"></a>
+<span class="sourceLineNo">423</span>    @Override<a name="line.423"></a>
+<span class="sourceLineNo">424</span>    public void preBalanceRSGroup(final ObserverContext&lt;MasterCoprocessorEnvironment&gt; ctx,<a name="line.424"></a>
+<span class="sourceLineNo">425</span>        String groupName) throws IOException {<a name="line.425"></a>
+<span class="sourceLineNo">426</span>      preBalanceRSGroupCalled = true;<a name="line.426"></a>
+<span class="sourceLineNo">427</span>    }<a name="line.427"></a>
+<span class="sourceLineNo">428</span><a name="line.428"></a>
+<span class="sourceLineNo">429</span>    @Override<a name="line.429"></a>
+<span class="sourceLineNo">430</span>    public void postBalanceRSGroup(final ObserverContext&lt;MasterCoprocessorEnvironment&gt; ctx,<a name="line.430"></a>
+<span class="sourceLineNo">431</span>        String groupName, boolean balancerRan) throws IOException {<a name="line.431"></a>
+<span class="sourceLineNo">432</span>      postBalanceRSGroupCalled = true;<a name="line.432"></a>
+<span class="sourceLineNo">433</span>    }<a name="line.433"></a>
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-<span class="sourceLineNo">435</span>    //test truncate<a name="line.435"></a>
-<span class="sourceLineNo">436</span>    admin.disableTable(tableName);<a name="line.436"></a>
-<span class="sourceLineNo">437</span>    admin.truncateTable(tableName, true);<a name="line.437"></a>
-<span class="sourceLineNo">438</span>    Assert.assertEquals(1, rsGroupAdmin.getRSGroupInfo(newGroup.getName()).getTables().size());<a name="line.438"></a>
-<span class="sourceLineNo">439</span>    Assert.assertEquals(tableName, rsGroupAdmin.getRSGroupInfo(<a name="line.439"></a>
-<span class="sourceLineNo">440</span>        newGroup.getName()).getTables().first());<a name="line.440"></a>
-<span class="sourceLineNo">441</span><a name="line.441"></a>
-<span class="sourceLineNo">442</span>    //verify removed table is removed from group<a name="line.442"></a>
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+<span class="sourceLineNo">435</span>    @Override<a name="line.435"></a>
+<span class="sourceLineNo">436</span>    public void preGetRSGroupInfo(final ObserverContext&lt;MasterCoprocessorEnvironment&gt; ctx,<a name="line.436"></a>
+<span class="sourceLineNo">437</span>        final String groupName) throws IOException {<a name="line.437"></a>
+<span class="sourceLineNo">438</span>      preGetRSGroupInfoCalled = true;<a name="line.438"></a>
+<span class="sourceLineNo">439</span>    }<a name="line.439"></a>
+<span class="sourceLineNo">440</span><a name="line.440"></a>
+<span class="sourceLineNo">441</span>    @Override<a name="line.441"></a>
+<span class="sourceLineNo">442</span>    public void postGetRSGroupInfo(final ObserverContext&lt;MasterCoprocessorEnvironment&gt; ctx,<a name="line.442"></a>
+<span class="sourceLineNo">443</span>        final String groupName) throws IOException {<a name="line.443"></a>
+<span class="sourceLineNo">444</span>      postGetRSGroupInfoCalled = true;<a name="line.444"></a>
+<span class="sourceLineNo">445</span>    }<a name="line.445"></a>
 <span class="sourceLineNo">446</span><a name="line.446"></a>
-<span class="sourceLineNo">447</span>  @Test<a name="line.447"></a>
-<span class="sourceLineNo">448</span>  public void testGroupBalance() throws Exception {<a name="line.448"></a>
-<span class="sourceLineNo">449</span>    LOG.info(name.getMethodName());<a name="line.449"></a>
-<span class="sourceLineNo">450</span>    String newGroupName = getGroupName(name.getMethodName());<a name="line.450"></a>
-<span class="sourceLineNo">451</span>    final RSGroupInfo newGroup = addGroup(newGroupName, 3);<a name="line.451"></a>
+<span class="sourceLineNo">447</span>    @Override<a name="line.447"></a>
+<span class="sourceLineNo">448</span>    public void preGetRSGroupInfoOfTable(final ObserverContext&lt;MasterCoprocessorEnvironment&gt; ctx,<a name="line.448"></a>
+<span class="sourceLineNo">449</span>        final TableName tableName) throws IOException {<a name="line.449"></a>
+<span class="sourceLineNo">450</span>      preGetRSGroupInfoOfTableCalled = true;<a name="line.450"></a>
+<span class="sourceLineNo">451</span>    }<a name="line.451"></a>
 <span class="sourceLineNo">452</span><a name="line.452"></a>
-<span class="sourceLineNo">453</span>    final TableName tableName = TableName.valueOf(tablePrefix+"_ns", name.getMethodName());<a name="line.453"></a>
-<span class="sourceLineNo">454</span>    admin.createNamespace(<a name="line.454"></a>
-<span class="sourceLineNo">455</span>        NamespaceDescriptor.create(tableName.getNamespaceAsString())<a name="line.455"></a>
-<span class="sourceLineNo">456</span>            .addConfiguration(RSGroupInfo.NAMESPACE_DESC_PROP_GROUP, newGroupName).build());<a name="line.456"></a>
-<span class="sourceLineNo">457</span>    final byte[] familyNameBytes = Bytes.toBytes("f");<a name="line.457"></a>
-<span class="sourceLineNo">458</span>    final HTableDescriptor desc = new HTableDescriptor(tableName);<a name="line.458"></a>
-<span class="sourceLineNo">459</span>    desc.addFamily(new HColumnDescriptor("f"));<a name="line.459"></a>
-<span class="sourceLineNo">460</span>    byte [] startKey = Bytes.toBytes("aaaaa");<a name="line.460"></a>
-<span class="sourceLineNo">461</span>    byte [] endKey = Bytes.toBytes("zzzzz");<a name="line.461"></a>
-<span class="sourceLineNo">462</span>    admin.createTable(desc, startKey, endKey, 6);<a name="line.462"></a>
-<span class="sourceLineNo">463</span>    TEST_UTIL.waitFor(WAIT_TIMEOUT, new Waiter.Predicate&lt;Exception&gt;() {<a name="line.463"></a>
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-<span class="sourceLineNo">465</span>      public boolean evaluate() throws Exception {<a name="line.465"></a>
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-<span class="sourceLineNo">467</span>        if (regions == null) {<a name="line.467"></a>
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-<span class="sourceLineNo">469</span>        }<a name="line.469"></a>
-<span class="sourceLineNo">470</span>        return regions.size() &gt;= 6;<a name="line.470"></a>
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-<span class="sourceLineNo">472</span>    });<a name="line.472"></a>
-<span class="sourceLineNo">473</span><a name="line.473"></a>
-<span class="sourceLineNo">474</span>    //make assignment uneven, move all regions to one server<a name="line.474"></a>
-<span class="sourceLineNo">475</span>    Map&lt;ServerName,List&lt;String&gt;&gt; assignMap =<a name="line.475"></a>
-<span class="sourceLineNo">476</span>        getTableServerRegionMap().get(tableName);<a name="line.476"></a>
-<span class="sourceLineNo">477</span>    final ServerName first = assignMap.entrySet().iterator().next().getKey();<a name="line.477"></a>
-<span class="sourceLineNo">478</span>    for(RegionInfo region: admin.getTableRegions(tableName)) {<a name="line.478"></a>
-<span class="sourceLineNo">479</span>      if(!assignMap.get(first).contains(region.getRegionNameAsString())) {<a name="line.479"></a>
-<span class="sourceLineNo">480</span>        admin.move(region.getEncodedNameAsBytes(), Bytes.toBytes(first.getServerName()));<a name="line.480"></a>
-<span class="sourceLineNo">481</span>      }<a name="line.481"></a>
-<span class="sourceLineNo">482</span>    }<a name="line.482"></a>
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-<span class="sourceLineNo">485</span>      public boolean evaluate() throws Exception {<a name="line.485"></a>
-<span class="sourceLineNo">486</span>        Map&lt;ServerName, List&lt;String&gt;&gt; map = getTableServerRegionMap().get(tableName);<a name="line.486"></a>
-<span class="sourceLineNo">487</span>       

<TRUNCATED>

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