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From git-site-r...@apache.org
Subject [07/47] hbase-site git commit: Published site at .
Date Sat, 13 Jan 2018 15:31:56 GMT
http://git-wip-us.apache.org/repos/asf/hbase-site/blob/554d61c6/testdevapidocs/src-html/org/apache/hadoop/hbase/master/balancer/TestFavoredStochasticLoadBalancer.html
----------------------------------------------------------------------
diff --git a/testdevapidocs/src-html/org/apache/hadoop/hbase/master/balancer/TestFavoredStochasticLoadBalancer.html b/testdevapidocs/src-html/org/apache/hadoop/hbase/master/balancer/TestFavoredStochasticLoadBalancer.html
index ca9921d..02d98cb 100644
--- a/testdevapidocs/src-html/org/apache/hadoop/hbase/master/balancer/TestFavoredStochasticLoadBalancer.html
+++ b/testdevapidocs/src-html/org/apache/hadoop/hbase/master/balancer/TestFavoredStochasticLoadBalancer.html
@@ -76,493 +76,494 @@
 <span class="sourceLineNo">068</span>import org.apache.hbase.thirdparty.com.google.common.collect.Maps;<a name="line.68"></a>
 <span class="sourceLineNo">069</span>import org.apache.hbase.thirdparty.com.google.common.collect.Sets;<a name="line.69"></a>
 <span class="sourceLineNo">070</span><a name="line.70"></a>
-<span class="sourceLineNo">071</span>@Category(MediumTests.class)<a name="line.71"></a>
-<span class="sourceLineNo">072</span>public class TestFavoredStochasticLoadBalancer extends BalancerTestBase {<a name="line.72"></a>
-<span class="sourceLineNo">073</span><a name="line.73"></a>
-<span class="sourceLineNo">074</span>  private static final Logger LOG =<a name="line.74"></a>
-<span class="sourceLineNo">075</span>      LoggerFactory.getLogger(TestFavoredStochasticLoadBalancer.class);<a name="line.75"></a>
-<span class="sourceLineNo">076</span><a name="line.76"></a>
-<span class="sourceLineNo">077</span>  private static final HBaseTestingUtility TEST_UTIL = new HBaseTestingUtility();<a name="line.77"></a>
-<span class="sourceLineNo">078</span>  private static final int SLAVES = 8;<a name="line.78"></a>
-<span class="sourceLineNo">079</span>  private static final int REGION_NUM = SLAVES * 3;<a name="line.79"></a>
-<span class="sourceLineNo">080</span><a name="line.80"></a>
-<span class="sourceLineNo">081</span>  private Admin admin;<a name="line.81"></a>
-<span class="sourceLineNo">082</span>  private HMaster master;<a name="line.82"></a>
-<span class="sourceLineNo">083</span>  private MiniHBaseCluster cluster;<a name="line.83"></a>
-<span class="sourceLineNo">084</span><a name="line.84"></a>
-<span class="sourceLineNo">085</span>  @BeforeClass<a name="line.85"></a>
-<span class="sourceLineNo">086</span>  public static void setupBeforeClass() throws Exception {<a name="line.86"></a>
-<span class="sourceLineNo">087</span>    Configuration conf = TEST_UTIL.getConfiguration();<a name="line.87"></a>
-<span class="sourceLineNo">088</span>    // Enable the favored nodes based load balancer<a name="line.88"></a>
-<span class="sourceLineNo">089</span>    conf.setClass(HConstants.HBASE_MASTER_LOADBALANCER_CLASS,<a name="line.89"></a>
-<span class="sourceLineNo">090</span>        LoadOnlyFavoredStochasticBalancer.class, LoadBalancer.class);<a name="line.90"></a>
-<span class="sourceLineNo">091</span>  }<a name="line.91"></a>
-<span class="sourceLineNo">092</span><a name="line.92"></a>
-<span class="sourceLineNo">093</span>  @Before<a name="line.93"></a>
-<span class="sourceLineNo">094</span>  public void startCluster() throws Exception {<a name="line.94"></a>
-<span class="sourceLineNo">095</span>    TEST_UTIL.startMiniCluster(SLAVES);<a name="line.95"></a>
-<span class="sourceLineNo">096</span>    TEST_UTIL.getDFSCluster().waitClusterUp();<a name="line.96"></a>
-<span class="sourceLineNo">097</span>    cluster = TEST_UTIL.getMiniHBaseCluster();<a name="line.97"></a>
-<span class="sourceLineNo">098</span>    master = TEST_UTIL.getMiniHBaseCluster().getMaster();<a name="line.98"></a>
-<span class="sourceLineNo">099</span>    admin = TEST_UTIL.getAdmin();<a name="line.99"></a>
-<span class="sourceLineNo">100</span>    admin.setBalancerRunning(false, true);<a name="line.100"></a>
-<span class="sourceLineNo">101</span>  }<a name="line.101"></a>
-<span class="sourceLineNo">102</span><a name="line.102"></a>
-<span class="sourceLineNo">103</span>  @After<a name="line.103"></a>
-<span class="sourceLineNo">104</span>  public void stopCluster() throws Exception {<a name="line.104"></a>
-<span class="sourceLineNo">105</span>    TEST_UTIL.cleanupTestDir();<a name="line.105"></a>
-<span class="sourceLineNo">106</span>    TEST_UTIL.shutdownMiniCluster();<a name="line.106"></a>
-<span class="sourceLineNo">107</span>  }<a name="line.107"></a>
-<span class="sourceLineNo">108</span><a name="line.108"></a>
-<span class="sourceLineNo">109</span>  @Test<a name="line.109"></a>
-<span class="sourceLineNo">110</span>  public void testBasicBalance() throws Exception {<a name="line.110"></a>
-<span class="sourceLineNo">111</span><a name="line.111"></a>
-<span class="sourceLineNo">112</span>    TableName tableName = TableName.valueOf("testBasicBalance");<a name="line.112"></a>
-<span class="sourceLineNo">113</span>    HTableDescriptor desc = new HTableDescriptor(tableName);<a name="line.113"></a>
-<span class="sourceLineNo">114</span>    desc.addFamily(new HColumnDescriptor(HConstants.CATALOG_FAMILY));<a name="line.114"></a>
-<span class="sourceLineNo">115</span>    admin.createTable(desc, Bytes.toBytes("aaa"), Bytes.toBytes("zzz"), REGION_NUM);<a name="line.115"></a>
-<span class="sourceLineNo">116</span>    TEST_UTIL.waitTableAvailable(tableName);<a name="line.116"></a>
-<span class="sourceLineNo">117</span>    TEST_UTIL.loadTable(admin.getConnection().getTable(tableName), HConstants.CATALOG_FAMILY);<a name="line.117"></a>
-<span class="sourceLineNo">118</span>    admin.flush(tableName);<a name="line.118"></a>
-<span class="sourceLineNo">119</span>    compactTable(tableName);<a name="line.119"></a>
-<span class="sourceLineNo">120</span><a name="line.120"></a>
-<span class="sourceLineNo">121</span>    JVMClusterUtil.RegionServerThread rs1 = cluster.startRegionServerAndWait(10000);<a name="line.121"></a>
-<span class="sourceLineNo">122</span>    JVMClusterUtil.RegionServerThread rs2 = cluster.startRegionServerAndWait(10000);<a name="line.122"></a>
-<span class="sourceLineNo">123</span><a name="line.123"></a>
-<span class="sourceLineNo">124</span>    // Now try to run balance, and verify no regions are moved to the 2 region servers recently<a name="line.124"></a>
-<span class="sourceLineNo">125</span>    // started.<a name="line.125"></a>
-<span class="sourceLineNo">126</span>    admin.setBalancerRunning(true, true);<a name="line.126"></a>
-<span class="sourceLineNo">127</span>    assertTrue("Balancer did not run", admin.balancer());<a name="line.127"></a>
-<span class="sourceLineNo">128</span>    TEST_UTIL.waitUntilNoRegionsInTransition(120000);<a name="line.128"></a>
-<span class="sourceLineNo">129</span><a name="line.129"></a>
-<span class="sourceLineNo">130</span>    List&lt;RegionInfo&gt; hris = admin.getRegions(rs1.getRegionServer().getServerName());<a name="line.130"></a>
-<span class="sourceLineNo">131</span>    for (RegionInfo hri : hris) {<a name="line.131"></a>
-<span class="sourceLineNo">132</span>      assertFalse("New RS contains regions belonging to table: " + tableName,<a name="line.132"></a>
-<span class="sourceLineNo">133</span>        hri.getTable().equals(tableName));<a name="line.133"></a>
-<span class="sourceLineNo">134</span>    }<a name="line.134"></a>
-<span class="sourceLineNo">135</span>    hris = admin.getRegions(rs2.getRegionServer().getServerName());<a name="line.135"></a>
-<span class="sourceLineNo">136</span>    for (RegionInfo hri : hris) {<a name="line.136"></a>
-<span class="sourceLineNo">137</span>      assertFalse("New RS contains regions belonging to table: " + tableName,<a name="line.137"></a>
-<span class="sourceLineNo">138</span>        hri.getTable().equals(tableName));<a name="line.138"></a>
-<span class="sourceLineNo">139</span>    }<a name="line.139"></a>
-<span class="sourceLineNo">140</span>  }<a name="line.140"></a>
-<span class="sourceLineNo">141</span><a name="line.141"></a>
-<span class="sourceLineNo">142</span>  @Test<a name="line.142"></a>
-<span class="sourceLineNo">143</span>  public void testRoundRobinAssignment() throws Exception {<a name="line.143"></a>
-<span class="sourceLineNo">144</span><a name="line.144"></a>
-<span class="sourceLineNo">145</span>    TableName tableName = TableName.valueOf("testRoundRobinAssignment");<a name="line.145"></a>
-<span class="sourceLineNo">146</span>    HTableDescriptor desc = new HTableDescriptor(tableName);<a name="line.146"></a>
-<span class="sourceLineNo">147</span>    desc.addFamily(new HColumnDescriptor(HConstants.CATALOG_FAMILY));<a name="line.147"></a>
-<span class="sourceLineNo">148</span>    admin.createTable(desc, Bytes.toBytes("aaa"), Bytes.toBytes("zzz"), REGION_NUM);<a name="line.148"></a>
-<span class="sourceLineNo">149</span>    TEST_UTIL.waitTableAvailable(tableName);<a name="line.149"></a>
-<span class="sourceLineNo">150</span>    TEST_UTIL.loadTable(admin.getConnection().getTable(tableName), HConstants.CATALOG_FAMILY);<a name="line.150"></a>
-<span class="sourceLineNo">151</span>    admin.flush(tableName);<a name="line.151"></a>
-<span class="sourceLineNo">152</span><a name="line.152"></a>
-<span class="sourceLineNo">153</span>    LoadBalancer balancer = master.getLoadBalancer();<a name="line.153"></a>
-<span class="sourceLineNo">154</span>    List&lt;RegionInfo&gt; regions = admin.getRegions(tableName);<a name="line.154"></a>
-<span class="sourceLineNo">155</span>    regions.addAll(admin.getTableRegions(TableName.META_TABLE_NAME));<a name="line.155"></a>
-<span class="sourceLineNo">156</span>    regions.addAll(admin.getTableRegions(TableName.NAMESPACE_TABLE_NAME));<a name="line.156"></a>
-<span class="sourceLineNo">157</span>    List&lt;ServerName&gt; servers = Lists.newArrayList(<a name="line.157"></a>
-<span class="sourceLineNo">158</span>      admin.getClusterMetrics(EnumSet.of(Option.LIVE_SERVERS)).getLiveServerMetrics().keySet());<a name="line.158"></a>
-<span class="sourceLineNo">159</span>    Map&lt;ServerName, List&lt;RegionInfo&gt;&gt; map = balancer.roundRobinAssignment(regions, servers);<a name="line.159"></a>
-<span class="sourceLineNo">160</span>    for (List&lt;RegionInfo&gt; regionInfos : map.values()) {<a name="line.160"></a>
-<span class="sourceLineNo">161</span>      regions.removeAll(regionInfos);<a name="line.161"></a>
-<span class="sourceLineNo">162</span>    }<a name="line.162"></a>
-<span class="sourceLineNo">163</span>    assertEquals("No region should be missed by balancer", 0, regions.size());<a name="line.163"></a>
-<span class="sourceLineNo">164</span>  }<a name="line.164"></a>
-<span class="sourceLineNo">165</span><a name="line.165"></a>
+<span class="sourceLineNo">071</span>@Ignore // Disabled<a name="line.71"></a>
+<span class="sourceLineNo">072</span>@Category(MediumTests.class)<a name="line.72"></a>
+<span class="sourceLineNo">073</span>public class TestFavoredStochasticLoadBalancer extends BalancerTestBase {<a name="line.73"></a>
+<span class="sourceLineNo">074</span><a name="line.74"></a>
+<span class="sourceLineNo">075</span>  private static final Logger LOG =<a name="line.75"></a>
+<span class="sourceLineNo">076</span>      LoggerFactory.getLogger(TestFavoredStochasticLoadBalancer.class);<a name="line.76"></a>
+<span class="sourceLineNo">077</span><a name="line.77"></a>
+<span class="sourceLineNo">078</span>  private static final HBaseTestingUtility TEST_UTIL = new HBaseTestingUtility();<a name="line.78"></a>
+<span class="sourceLineNo">079</span>  private static final int SLAVES = 8;<a name="line.79"></a>
+<span class="sourceLineNo">080</span>  private static final int REGION_NUM = SLAVES * 3;<a name="line.80"></a>
+<span class="sourceLineNo">081</span><a name="line.81"></a>
+<span class="sourceLineNo">082</span>  private Admin admin;<a name="line.82"></a>
+<span class="sourceLineNo">083</span>  private HMaster master;<a name="line.83"></a>
+<span class="sourceLineNo">084</span>  private MiniHBaseCluster cluster;<a name="line.84"></a>
+<span class="sourceLineNo">085</span><a name="line.85"></a>
+<span class="sourceLineNo">086</span>  @BeforeClass<a name="line.86"></a>
+<span class="sourceLineNo">087</span>  public static void setupBeforeClass() throws Exception {<a name="line.87"></a>
+<span class="sourceLineNo">088</span>    Configuration conf = TEST_UTIL.getConfiguration();<a name="line.88"></a>
+<span class="sourceLineNo">089</span>    // Enable the favored nodes based load balancer<a name="line.89"></a>
+<span class="sourceLineNo">090</span>    conf.setClass(HConstants.HBASE_MASTER_LOADBALANCER_CLASS,<a name="line.90"></a>
+<span class="sourceLineNo">091</span>        LoadOnlyFavoredStochasticBalancer.class, LoadBalancer.class);<a name="line.91"></a>
+<span class="sourceLineNo">092</span>  }<a name="line.92"></a>
+<span class="sourceLineNo">093</span><a name="line.93"></a>
+<span class="sourceLineNo">094</span>  @Before<a name="line.94"></a>
+<span class="sourceLineNo">095</span>  public void startCluster() throws Exception {<a name="line.95"></a>
+<span class="sourceLineNo">096</span>    TEST_UTIL.startMiniCluster(SLAVES);<a name="line.96"></a>
+<span class="sourceLineNo">097</span>    TEST_UTIL.getDFSCluster().waitClusterUp();<a name="line.97"></a>
+<span class="sourceLineNo">098</span>    cluster = TEST_UTIL.getMiniHBaseCluster();<a name="line.98"></a>
+<span class="sourceLineNo">099</span>    master = TEST_UTIL.getMiniHBaseCluster().getMaster();<a name="line.99"></a>
+<span class="sourceLineNo">100</span>    admin = TEST_UTIL.getAdmin();<a name="line.100"></a>
+<span class="sourceLineNo">101</span>    admin.setBalancerRunning(false, true);<a name="line.101"></a>
+<span class="sourceLineNo">102</span>  }<a name="line.102"></a>
+<span class="sourceLineNo">103</span><a name="line.103"></a>
+<span class="sourceLineNo">104</span>  @After<a name="line.104"></a>
+<span class="sourceLineNo">105</span>  public void stopCluster() throws Exception {<a name="line.105"></a>
+<span class="sourceLineNo">106</span>    TEST_UTIL.cleanupTestDir();<a name="line.106"></a>
+<span class="sourceLineNo">107</span>    TEST_UTIL.shutdownMiniCluster();<a name="line.107"></a>
+<span class="sourceLineNo">108</span>  }<a name="line.108"></a>
+<span class="sourceLineNo">109</span><a name="line.109"></a>
+<span class="sourceLineNo">110</span>  @Test<a name="line.110"></a>
+<span class="sourceLineNo">111</span>  public void testBasicBalance() throws Exception {<a name="line.111"></a>
+<span class="sourceLineNo">112</span><a name="line.112"></a>
+<span class="sourceLineNo">113</span>    TableName tableName = TableName.valueOf("testBasicBalance");<a name="line.113"></a>
+<span class="sourceLineNo">114</span>    HTableDescriptor desc = new HTableDescriptor(tableName);<a name="line.114"></a>
+<span class="sourceLineNo">115</span>    desc.addFamily(new HColumnDescriptor(HConstants.CATALOG_FAMILY));<a name="line.115"></a>
+<span class="sourceLineNo">116</span>    admin.createTable(desc, Bytes.toBytes("aaa"), Bytes.toBytes("zzz"), REGION_NUM);<a name="line.116"></a>
+<span class="sourceLineNo">117</span>    TEST_UTIL.waitTableAvailable(tableName);<a name="line.117"></a>
+<span class="sourceLineNo">118</span>    TEST_UTIL.loadTable(admin.getConnection().getTable(tableName), HConstants.CATALOG_FAMILY);<a name="line.118"></a>
+<span class="sourceLineNo">119</span>    admin.flush(tableName);<a name="line.119"></a>
+<span class="sourceLineNo">120</span>    compactTable(tableName);<a name="line.120"></a>
+<span class="sourceLineNo">121</span><a name="line.121"></a>
+<span class="sourceLineNo">122</span>    JVMClusterUtil.RegionServerThread rs1 = cluster.startRegionServerAndWait(10000);<a name="line.122"></a>
+<span class="sourceLineNo">123</span>    JVMClusterUtil.RegionServerThread rs2 = cluster.startRegionServerAndWait(10000);<a name="line.123"></a>
+<span class="sourceLineNo">124</span><a name="line.124"></a>
+<span class="sourceLineNo">125</span>    // Now try to run balance, and verify no regions are moved to the 2 region servers recently<a name="line.125"></a>
+<span class="sourceLineNo">126</span>    // started.<a name="line.126"></a>
+<span class="sourceLineNo">127</span>    admin.setBalancerRunning(true, true);<a name="line.127"></a>
+<span class="sourceLineNo">128</span>    assertTrue("Balancer did not run", admin.balancer());<a name="line.128"></a>
+<span class="sourceLineNo">129</span>    TEST_UTIL.waitUntilNoRegionsInTransition(120000);<a name="line.129"></a>
+<span class="sourceLineNo">130</span><a name="line.130"></a>
+<span class="sourceLineNo">131</span>    List&lt;RegionInfo&gt; hris = admin.getRegions(rs1.getRegionServer().getServerName());<a name="line.131"></a>
+<span class="sourceLineNo">132</span>    for (RegionInfo hri : hris) {<a name="line.132"></a>
+<span class="sourceLineNo">133</span>      assertFalse("New RS contains regions belonging to table: " + tableName,<a name="line.133"></a>
+<span class="sourceLineNo">134</span>        hri.getTable().equals(tableName));<a name="line.134"></a>
+<span class="sourceLineNo">135</span>    }<a name="line.135"></a>
+<span class="sourceLineNo">136</span>    hris = admin.getRegions(rs2.getRegionServer().getServerName());<a name="line.136"></a>
+<span class="sourceLineNo">137</span>    for (RegionInfo hri : hris) {<a name="line.137"></a>
+<span class="sourceLineNo">138</span>      assertFalse("New RS contains regions belonging to table: " + tableName,<a name="line.138"></a>
+<span class="sourceLineNo">139</span>        hri.getTable().equals(tableName));<a name="line.139"></a>
+<span class="sourceLineNo">140</span>    }<a name="line.140"></a>
+<span class="sourceLineNo">141</span>  }<a name="line.141"></a>
+<span class="sourceLineNo">142</span><a name="line.142"></a>
+<span class="sourceLineNo">143</span>  @Test<a name="line.143"></a>
+<span class="sourceLineNo">144</span>  public void testRoundRobinAssignment() throws Exception {<a name="line.144"></a>
+<span class="sourceLineNo">145</span><a name="line.145"></a>
+<span class="sourceLineNo">146</span>    TableName tableName = TableName.valueOf("testRoundRobinAssignment");<a name="line.146"></a>
+<span class="sourceLineNo">147</span>    HTableDescriptor desc = new HTableDescriptor(tableName);<a name="line.147"></a>
+<span class="sourceLineNo">148</span>    desc.addFamily(new HColumnDescriptor(HConstants.CATALOG_FAMILY));<a name="line.148"></a>
+<span class="sourceLineNo">149</span>    admin.createTable(desc, Bytes.toBytes("aaa"), Bytes.toBytes("zzz"), REGION_NUM);<a name="line.149"></a>
+<span class="sourceLineNo">150</span>    TEST_UTIL.waitTableAvailable(tableName);<a name="line.150"></a>
+<span class="sourceLineNo">151</span>    TEST_UTIL.loadTable(admin.getConnection().getTable(tableName), HConstants.CATALOG_FAMILY);<a name="line.151"></a>
+<span class="sourceLineNo">152</span>    admin.flush(tableName);<a name="line.152"></a>
+<span class="sourceLineNo">153</span><a name="line.153"></a>
+<span class="sourceLineNo">154</span>    LoadBalancer balancer = master.getLoadBalancer();<a name="line.154"></a>
+<span class="sourceLineNo">155</span>    List&lt;RegionInfo&gt; regions = admin.getRegions(tableName);<a name="line.155"></a>
+<span class="sourceLineNo">156</span>    regions.addAll(admin.getTableRegions(TableName.META_TABLE_NAME));<a name="line.156"></a>
+<span class="sourceLineNo">157</span>    regions.addAll(admin.getTableRegions(TableName.NAMESPACE_TABLE_NAME));<a name="line.157"></a>
+<span class="sourceLineNo">158</span>    List&lt;ServerName&gt; servers = Lists.newArrayList(<a name="line.158"></a>
+<span class="sourceLineNo">159</span>      admin.getClusterMetrics(EnumSet.of(Option.LIVE_SERVERS)).getLiveServerMetrics().keySet());<a name="line.159"></a>
+<span class="sourceLineNo">160</span>    Map&lt;ServerName, List&lt;RegionInfo&gt;&gt; map = balancer.roundRobinAssignment(regions, servers);<a name="line.160"></a>
+<span class="sourceLineNo">161</span>    for (List&lt;RegionInfo&gt; regionInfos : map.values()) {<a name="line.161"></a>
+<span class="sourceLineNo">162</span>      regions.removeAll(regionInfos);<a name="line.162"></a>
+<span class="sourceLineNo">163</span>    }<a name="line.163"></a>
+<span class="sourceLineNo">164</span>    assertEquals("No region should be missed by balancer", 0, regions.size());<a name="line.164"></a>
+<span class="sourceLineNo">165</span>  }<a name="line.165"></a>
 <span class="sourceLineNo">166</span><a name="line.166"></a>
-<span class="sourceLineNo">167</span>  @Test<a name="line.167"></a>
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-<span class="sourceLineNo">169</span><a name="line.169"></a>
-<span class="sourceLineNo">170</span>    String tableName = "testBasicRegionPlacement";<a name="line.170"></a>
-<span class="sourceLineNo">171</span>    HTableDescriptor desc = new HTableDescriptor(TableName.valueOf(tableName));<a name="line.171"></a>
-<span class="sourceLineNo">172</span>    desc.addFamily(new HColumnDescriptor(HConstants.CATALOG_FAMILY));<a name="line.172"></a>
-<span class="sourceLineNo">173</span>    admin.createTable(desc, Bytes.toBytes("aaa"), Bytes.toBytes("zzz"), REGION_NUM);<a name="line.173"></a>
-<span class="sourceLineNo">174</span>    TEST_UTIL.waitTableAvailable(desc.getTableName());<a name="line.174"></a>
-<span class="sourceLineNo">175</span><a name="line.175"></a>
-<span class="sourceLineNo">176</span>    FavoredNodesManager fnm = master.getFavoredNodesManager();<a name="line.176"></a>
-<span class="sourceLineNo">177</span>    List&lt;RegionInfo&gt; regionsOfTable = admin.getRegions(TableName.valueOf(tableName));<a name="line.177"></a>
-<span class="sourceLineNo">178</span>    for (RegionInfo rInfo : regionsOfTable) {<a name="line.178"></a>
-<span class="sourceLineNo">179</span>      Set&lt;ServerName&gt; favNodes = Sets.newHashSet(fnm.getFavoredNodes(rInfo));<a name="line.179"></a>
-<span class="sourceLineNo">180</span>      assertNotNull(favNodes);<a name="line.180"></a>
-<span class="sourceLineNo">181</span>      assertEquals(FavoredNodeAssignmentHelper.FAVORED_NODES_NUM, favNodes.size());<a name="line.181"></a>
-<span class="sourceLineNo">182</span>    }<a name="line.182"></a>
-<span class="sourceLineNo">183</span><a name="line.183"></a>
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+<span class="sourceLineNo">225</span>        .getClusterMetrics(EnumSet.of(Option.LIVE_SERVERS)).getLiveServerMetrics()<a name="line.225"></a>
+<span class="sourceLineNo">226</span>        .keySet().stream().collect(Collectors.toList())));<a name="line.226"></a>
+<span class="sourceLineNo">227</span>    assertNotNull(destination);<a name="line.227"></a>
+<span class="sourceLineNo">228</span>    List&lt;ServerName&gt; favoredNodes = fnm.getFavoredNodes(hri);<a name="line.228"></a>
+<span class="sourceLineNo">229</span>    assertNotNull(favoredNodes);<a name="line.229"></a>
+<span class="sourceLineNo">230</span>    boolean containsFN = false;<a name="line.230"></a>
+<span class="sourceLineNo">231</span>    for (ServerName sn : favoredNodes) {<a name="line.231"></a>
+<span class="sourceLineNo">232</span>      if (ServerName.isSameAddress(destination, sn)) {<a name="line.232"></a>
+<span class="sourceLineNo">233</span>        containsFN = true;<a name="line.233"></a>
+<span class="sourceLineNo">234</span>      }<a name="line.234"></a>
+<span class="sourceLineNo">235</span>    }<a name="line.235"></a>
+<span class="sourceLineNo">236</span>    assertTrue("Destination server does not belong to favored nodes.", containsFN);<a name="line.236"></a>
+<span class="sourceLineNo">237</span>  }<a name="line.237"></a>
+<span class="sourceLineNo">238</span><a name="line.238"></a>
+<span class="sourceLineNo">239</span>  @Test<a name="line.239"></a>
+<span class="sourceLineNo">240</span>  public void testBalancerWithoutFavoredNodes() throws Exception {<a name="line.240"></a>
+<span class="sourceLineNo">241</span><a name="line.241"></a>
+<span class="sourceLineNo">242</span>    TableName tableName = TableName.valueOf("testBalancerWithoutFavoredNodes");<a name="line.242"></a>
+<span class="sourceLineNo">243</span>    HTableDescriptor desc = new HTableDescriptor(tableName);<a name="line.243"></a>
+<span class="sourceLineNo">244</span>    desc.addFamily(new HColumnDescriptor(HConstants.CATALOG_FAMILY));<a name="line.244"></a>
+<span class="sourceLineNo">245</span>    admin.createTable(desc, Bytes.toBytes("aaa"), Bytes.toBytes("zzz"), REGION_NUM);<a name="line.245"></a>
+<span class="sourceLineNo">246</span>    TEST_UTIL.waitTableAvailable(tableName);<a name="line.246"></a>
+<span class="sourceLineNo">247</span><a name="line.247"></a>
+<span class="sourceLineNo">248</span>    final RegionInfo region = admin.getTableRegions(tableName).get(0);<a name="line.248"></a>
+<span class="sourceLineNo">249</span>    LOG.info("Region thats supposed to be in transition: " + region);<a name="line.249"></a>
+<span class="sourceLineNo">250</span>    FavoredNodesManager fnm = master.getFavoredNodesManager();<a name="line.250"></a>
+<span class="sourceLineNo">251</span>    List&lt;ServerName&gt; currentFN = fnm.getFavoredNodes(region);<a name="line.251"></a>
+<span class="sourceLineNo">252</span>    assertNotNull(currentFN);<a name="line.252"></a>
+<span class="sourceLineNo">253</span><a name="line.253"></a>
+<span class="sourceLineNo">254</span>    fnm.deleteFavoredNodesForRegions(Lists.newArrayList(region));<a name="line.254"></a>
+<span class="sourceLineNo">255</span><a name="line.255"></a>
+<span class="sourceLineNo">256</span>    RegionStates regionStates = master.getAssignmentManager().getRegionStates();<a name="line.256"></a>
+<span class="sourceLineNo">257</span>    admin.setBalancerRunning(true, true);<a name="line.257"></a>
+<span class="sourceLineNo">258</span><a name="line.258"></a>
+<span class="sourceLineNo">259</span>    // Balancer should unassign the region<a name="line.259"></a>
+<span class="sourceLineNo">260</span>    assertTrue("Balancer did not run", admin.balancer());<a name="line.260"></a>
+<span class="sourceLineNo">261</span>    TEST_UTIL.waitUntilNoRegionsInTransition();<a name="line.261"></a>
+<span class="sourceLineNo">262</span><a name="line.262"></a>
+<span class="sourceLineNo">263</span>    admin.assign(region.getEncodedNameAsBytes());<a name="line.263"></a>
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+<span class="sourceLineNo">265</span><a name="line.265"></a>
+<span class="sourceLineNo">266</span>    currentFN = fnm.getFavoredNodes(region);<a name="line.266"></a>
+<span class="sourceLineNo">267</span>    assertNotNull(currentFN);<a name="line.267"></a>
+<span class="sourceLineNo">268</span>    assertEquals("Expected number of FN not present",<a name="line.268"></a>
+<span class="sourceLineNo">269</span>      FavoredNodeAssignmentHelper.FAVORED_NODES_NUM, currentFN.size());<a name="line.269"></a>
+<span class="sourceLineNo">270</span><a name="line.270"></a>
+<span class="sourceLineNo">271</span>    assertTrue("Balancer did not run", admin.balancer());<a name="line.271"></a>
+<span class="sourceLineNo">272</span>    TEST_UTIL.waitUntilNoRegionsInTransition(60000);<a name="line.272"></a>
+<span class="sourceLineNo">273</span><a name="line.273"></a>
+<span class="sourceLineNo">274</span>    checkFavoredNodeAssignments(tableName, fnm, regionStates);<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>  @Ignore @Test<a name="line.277"></a>
+<span class="sourceLineNo">278</span>  public void testMisplacedRegions() throws Exception {<a name="line.278"></a>
+<span class="sourceLineNo">279</span><a name="line.279"></a>
+<span class="sourceLineNo">280</span>    TableName tableName = TableName.valueOf("testMisplacedRegions");<a name="line.280"></a>
+<span class="sourceLineNo">281</span>    HTableDescriptor desc = new HTableDescriptor(tableName);<a name="line.281"></a>
+<span class="sourceLineNo">282</span>    desc.addFamily(new HColumnDescriptor(HConstants.CATALOG_FAMILY));<a name="line.282"></a>
+<span class="sourceLineNo">283</span>    admin.createTable(desc, Bytes.toBytes("aaa"), Bytes.toBytes("zzz"), REGION_NUM);<a name="line.283"></a>
+<span class="sourceLineNo">284</span>    TEST_UTIL.waitTableAvailable(tableName);<a name="line.284"></a>
+<span class="sourceLineNo">285</span><a name="line.285"></a>
+<span class="sourceLineNo">286</span>    final RegionInfo misplacedRegion = admin.getTableRegions(tableName).get(0);<a name="line.286"></a>
+<span class="sourceLineNo">287</span>    FavoredNodesManager fnm = master.getFavoredNodesManager();<a name="line.287"></a>
+<span class="sourceLineNo">288</span>    List&lt;ServerName&gt; currentFN = fnm.getFavoredNodes(misplacedRegion);<a name="line.288"></a>
+<span class="sourceLineNo">289</span>    assertNotNull(currentFN);<a name="line.289"></a>
+<span class="sourceLineNo">290</span><a name="line.290"></a>
+<span class="sourceLineNo">291</span>    List&lt;ServerName&gt; serversForNewFN = Lists.newArrayList();<a name="line.291"></a>
+<span class="sourceLineNo">292</span>    for (ServerName sn : admin.getClusterMetrics(EnumSet.of(Option.LIVE_SERVERS))<a name="line.292"></a>
+<span class="sourceLineNo">293</span>      .getLiveServerMetrics().keySet()) {<a name="line.293"></a>
+<span class="sourceLineNo">294</span>      serversForNewFN.add(ServerName.valueOf(sn.getHostname(), sn.getPort(), NON_STARTCODE));<a name="line.294"></a>
+<span class="sourceLineNo">295</span>    }<a name="line.295"></a>
+<span class="sourceLineNo">296</span>    for (ServerName sn : currentFN) {<a name="line.296"></a>
+<span class="sourceLineNo">297</span>      serversForNewFN.remove(sn);<a name="line.297"></a>
+<span class="sourceLineNo">298</span>    }<a name="line.298"></a>
+<span class="sourceLineNo">299</span>    FavoredNodeAssignmentHelper helper = new FavoredNodeAssignmentHelper(serversForNewFN, conf);<a name="line.299"></a>
+<span class="sourceLineNo">300</span>    helper.initialize();<a name="line.300"></a>
+<span class="sourceLineNo">301</span>    List&lt;ServerName&gt; newFavoredNodes = helper.generateFavoredNodes(misplacedRegion);<a name="line.301"></a>
+<span class="sourceLineNo">302</span>    assertNotNull(newFavoredNodes);<a name="line.302"></a>
+<span class="sourceLineNo">303</span>    assertEquals(FavoredNodeAssignmentHelper.FAVORED_NODES_NUM, newFavoredNodes.size());<a name="line.303"></a>
+<span class="sourceLineNo">304</span>    Map&lt;RegionInfo, List&lt;ServerName&gt;&gt; regionFNMap = Maps.newHashMap();<a name="line.304"></a>
+<span class="sourceLineNo">305</span>    regionFNMap.put(misplacedRegion, newFavoredNodes);<a name="line.305"></a>
+<span class="sourceLineNo">306</span>    fnm.updateFavoredNodes(regionFNMap);<a name="line.306"></a>
+<span class="sourceLineNo">307</span><a name="line.307"></a>
+<span class="sourceLineNo">308</span>    final RegionStates regionStates = master.getAssignmentManager().getRegionStates();<a name="line.308"></a>
+<span class="sourceLineNo">309</span>    final ServerName current = regionStates.getRegionServerOfRegion(misplacedRegion);<a name="line.309"></a>
+<span class="sourceLineNo">310</span>    assertNull("Misplaced region is still hosted on favored node, not expected.",<a name="line.310"></a>
+<span class="sourceLineNo">311</span>        FavoredNodesPlan.getFavoredServerPosition(fnm.getFavoredNodes(misplacedRegion), current));<a name="line.311"></a>
+<span class="sourceLineNo">312</span>    admin.setBalancerRunning(true, true);<a name="line.312"></a>
+<span class="sourceLineNo">313</span>    assertTrue("Balancer did not run", admin.balancer());<a name="line.313"></a>
+<span class="sourceLineNo">314</span>    TEST_UTIL.waitFor(120000, 30000, new Waiter.Predicate&lt;Exception&gt;() {<a name="line.314"></a>
+<span class="sourceLineNo">315</span>      @Override<a name="line.315"></a>
+<span class="sourceLineNo">316</span>      public boolean evaluate() throws Exception {<a name="line.316"></a>
+<span class="sourceLineNo">317</span>        ServerName host = regionStates.getRegionServerOfRegion(misplacedRegion);<a name="line.317"></a>
+<span class="sourceLineNo">318</span>        return !ServerName.isSameAddress(host, current);<a name="line.318"></a>
+<span class="sourceLineNo">319</span>      }<a name="line.319"></a>
+<span class="sourceLineNo">320</span>    });<a name="line.320"></a>
+<span class="sourceLineNo">321</span>    checkFavoredNodeAssignments(tableName, fnm, regionStates);<a name="line.321"></a>
+<span class="sourceLineNo">322</span>  }<a name="line.322"></a>
+<span class="sourceLineNo">323</span><a name="line.323"></a>
+<span class="sourceLineNo">324</span>  @Test<a name="line.324"></a>
+<span class="sourceLineNo">325</span>  public void test2FavoredNodesDead() throws Exception {<a name="line.325"></a>
+<span class="sourceLineNo">326</span><a name="line.326"></a>
+<span class="sourceLineNo">327</span>    TableName tableName = TableName.valueOf("testAllFavoredNodesDead");<a name="line.327"></a>
+<span class="sourceLineNo">328</span>    HTableDescriptor desc = new HTableDescriptor(tableName);<a name="line.328"></a>
+<span class="sourceLineNo">329</span>    desc.addFamily(new HColumnDescriptor(HConstants.CATALOG_FAMILY));<a name="line.329"></a>
+<span class="sourceLineNo">330</span>    admin.createTable(desc, Bytes.toBytes("aaa"), Bytes.toBytes("zzz"), REGION_NUM);<a name="line.330"></a>
+<span class="sourceLineNo">331</span>    TEST_UTIL.waitTableAvailable(tableName);<a name="line.331"></a>
+<span class="sourceLineNo">332</span><a name="line.332"></a>
+<span class="sourceLineNo">333</span>    final RegionInfo region = admin.getTableRegions(tableName).get(0);<a name="line.333"></a>
+<span class="sourceLineNo">334</span>    LOG.info("Region that's supposed to be in transition: " + region);<a name="line.334"></a>
+<span class="sourceLineNo">335</span>    FavoredNodesManager fnm = master.getFavoredNodesManager();<a name="line.335"></a>
+<span class="sourceLineNo">336</span>    List&lt;ServerName&gt; currentFN = fnm.getFavoredNodes(region);<a name="line.336"></a>
+<span class="sourceLineNo">337</span>    assertNotNull(currentFN);<a name="line.337"></a>
+<span class="sourceLineNo">338</span><a name="line.338"></a>
+<span class="sourceLineNo">339</span>    List&lt;ServerName&gt; serversToStop = Lists.newArrayList(currentFN);<a name="line.339"></a>
+<span class="sourceLineNo">340</span>    serversToStop.remove(currentFN.get(0));<a name="line.340"></a>
+<span class="sourceLineNo">341</span><a name="line.341"></a>
+<span class="sourceLineNo">342</span>    // Lets kill 2 FN for the region. All regions should still be assigned<a name="line.342"></a>
+<span class="sourceLineNo">343</span>    stopServersAndWaitUntilProcessed(serversToStop);<a name="line.343"></a>
+<span class="sourceLineNo">344</span><a name="line.344"></a>
+<span class="sourceLineNo">345</span>    TEST_UTIL.waitUntilNoRegionsInTransition();<a name="line.345"></a>
+<span class="sourceLineNo">346</span>    final RegionStates regionStates = master.getAssignmentManager().getRegionStates();<a name="line.346"></a>
+<span class="sourceLineNo">347</span>    TEST_UTIL.waitFor(10000, new Waiter.Predicate&lt;Exception&gt;() {<a name="line.347"></a>
+<span class="sourceLineNo">348</span>      @Override<a name="line.348"></a>
+<span class="sourceLineNo">349</span>      public boolean evaluate() throws Exception {<a name="line.349"></a>
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+<span class="sourceLineNo">351</span>      }<a name="line.351"></a>
+<span class="sourceLineNo">352</span>    });<a name="line.352"></a>
+<span class="sourceLineNo">353</span><a name="line.353"></a>
+<span class="sourceLineNo">354</span>    assertEquals("Not all regions are online", REGION_NUM, admin.getTableRegions(tableName).size());<a name="line.354"></a>
+<span class="sourceLineNo">355</span>    admin.setBalancerRunning(true, true);<a name="line.355"></a>
+<span class="sourceLineNo">356</span>    assertTrue("Balancer did not run", admin.balancer());<a name="line.356"></a>
+<span class="sourceLineNo">357</span>    TEST_UTIL.waitUntilNoRegionsInTransition(60000);<a name="line.357"></a>
+<span class="sourceLineNo">358</span><a name="line.358"></a>
+<span class="sourceLineNo">359</span>    checkFavoredNodeAssignments(tableName, fnm, regionStates);<a name="line.359"></a>
+<span class="sourceLineNo">360</span>  }<a name="line.360"></a>
+<span class="sourceLineNo">361</span><a name="line.361"></a>
+<span class="sourceLineNo">362</span>  @Ignore @Test<a name="line.362"></a>
+<span class="sourceLineNo">363</span>  public void testAllFavoredNodesDead() throws Exception {<a name="line.363"></a>
+<span class="sourceLineNo">364</span><a name="line.364"></a>
+<span class="sourceLineNo">365</span>    TableName tableName = TableName.valueOf("testAllFavoredNodesDead");<a name="line.365"></a>
+<span class="sourceLineNo">366</span>    HTableDescriptor desc = new HTableDescriptor(tableName);<a name="line.366"></a>
+<span class="sourceLineNo">367</span>    desc.addFamily(new HColumnDescriptor(HConstants.CATALOG_FAMILY));<a name="line.367"></a>
+<span class="sourceLineNo">368</span>    admin.createTable(desc, Bytes.toBytes("aaa"), Bytes.toBytes("zzz"), REGION_NUM);<a name="line.368"></a>
+<span class="sourceLineNo">369</span>    TEST_UTIL.waitTableAvailable(tableName);<a name="line.369"></a>
+<span class="sourceLineNo">370</span><a name="line.370"></a>
+<span class="sourceLineNo">371</span>    final RegionInfo region = admin.getTableRegions(tableName).get(0);<a name="line.371"></a>
+<span class="sourceLineNo">372</span>    LOG.info("Region that's supposed to be in transition: " + region);<a name="line.372"></a>
+<span class="sourceLineNo">373</span>    FavoredNodesManager fnm = master.getFavoredNodesManager();<a name="line.373"></a>
+<span class="sourceLineNo">374</span>    List&lt;ServerName&gt; currentFN = fnm.getFavoredNodes(region);<a name="line.374"></a>
+<span class="sourceLineNo">375</span>    assertNotNull(currentFN);<a name="line.375"></a>
+<span class="sourceLineNo">376</span><a name="line.376"></a>
+<span class="sourceLineNo">377</span>    // Lets kill all the RS that are favored nodes for this region.<a name="line.377"></a>
+<span class="sourceLineNo">378</span>    stopServersAndWaitUntilProcessed(currentFN);<a name="line.378"></a>
+<span class="sourceLineNo">379</span><a name="line.379"></a>
+<span class="sourceLineNo">380</span>    final RegionStates regionStates = master.getAssignmentManager().getRegionStates();<a name="line.380"></a>
+<span class="sourceLineNo">381</span>    TEST_UTIL.waitFor(10000, new Waiter.Predicate&lt;Exception&gt;() {<a name="line.381"></a>
+<span class="sourceLineNo">382</span>      @Override<a name="line.382"></a>
+<span class="sourceLineNo">383</span>      public boolean evaluate() throws Exception {<a name="line.383"></a>
+<span class="sourceLineNo">384</span>        return regionStates.getRegionState(region).isFailedOpen();<a name="line.384"></a>
+<span class="sourceLineNo">385</span>      }<a name="line.385"></a>
+<span class="sourceLineNo">386</span>    });<a name="line.386"></a>
+<span class="sourceLineNo">387</span><a name="line.387"></a>
+<span class="sourceLineNo">388</span>    assertTrue("Region: " + region + " should be RIT",<a name="line.388"></a>
+<span class="sourceLineNo">389</span>        regionStates.getRegionState(region).isFailedOpen());<a name="line.389"></a>
+<span class="sourceLineNo">390</span><a name="line.390"></a>
+<span class="sourceLineNo">391</span>    // Regenerate FN and assign, everything else should be fine<a name="line.391"></a>
+<span class="sourceLineNo">392</span>    List&lt;ServerName&gt; serversForNewFN = Lists.newArrayList();<a name="line.392"></a>
+<span class="sourceLineNo">393</span>    for (ServerName sn : admin.getClusterMetrics(EnumSet.of(Option.LIVE_SERVERS))<a name="line.393"></a>
+<span class="sourceLineNo">394</span>      .getLiveServerMetrics().keySet()) {<a name="line.394"></a>
+<span class="sourceLineNo">395</span>      serversForNewFN.add(ServerName.valueOf(sn.getHostname(), sn.getPort(), NON_STARTCODE));<a name="line.395"></a>
+<span class="sourceLineNo">396</span>    }<a name="line.396"></a>
+<span class="sourceLineNo">397</span><a name="line.397"></a>
+<span class="sourceLineNo">398</span>    FavoredNodeAssignmentHelper helper = new FavoredNodeAssignmentHelper(serversForNewFN, conf);<a name="line.398"></a>
+<span class="sourceLineNo">399</span>    helper.initialize();<a name="line.399"></a>
+<span class="sourceLineNo">400</span><a name="line.400"></a>
+<span class="sourceLineNo">401</span>    for (RegionStateNode regionState: regionStates.getRegionsInTransition()) {<a name="line.401"></a>
+<span class="sourceLineNo">402</span>      RegionInfo regionInfo = regionState.getRegionInfo();<a name="line.402"></a>
+<span class="sourceLineNo">403</span>      List&lt;ServerName&gt; newFavoredNodes = helper.generateFavoredNodes(regionInfo);<a name="line.403"></a>
+<span class="sourceLineNo">404</span>      assertNotNull(newFavoredNodes);<a name="line.404"></a>
+<span class="sourceLineNo">405</span>      assertEquals(FavoredNodeAssignmentHelper.FAVORED_NODES_NUM, newFavoredNodes.size());<a name="line.405"></a>
+<span class="sourceLineNo">406</span>      LOG.info("Region: " + regionInfo.getEncodedName() + " FN: " + newFavoredNodes);<a name="line.406"></a>
+<span class="sourceLineNo">407</span><a name="line.407"></a>
+<span class="sourceLineNo">408</span>      Map&lt;RegionInfo, List&lt;ServerName&gt;&gt; regionFNMap = Maps.newHashMap();<a name="line.408"></a>
+<span class="sourceLineNo">409</span>      regionFNMap.put(regionInfo, newFavoredNodes);<a name="line.409"></a>
+<span class="sourceLineNo">410</span>      fnm.updateFavoredNodes(regionFNMap);<a name="line.410"></a>
+<span class="sourceLineNo">411</span>      LOG.info("Assigning region: " + regionInfo.getEncodedName());<a name="line.411"></a>
+<span class="sourceLineNo">412</span>      admin.assign(regionInfo.getEncodedNameAsBytes());<a name="line.412"></a>
+<span class="sourceLineNo">413</span>    }<a name="line.413"></a>
+<span class="sourceLineNo">414</span>    TEST_UTIL.waitUntilNoRegionsInTransition(60000);<a name="line.414"></a>
+<span class="sourceLineNo">415</span>    assertEquals("Not all regions are online", REGION_NUM, admin.getTableRegions(tableName).size());<a name="line.415"></a>
+<span class="sourceLineNo">416</span><a name="line.416"></a>
+<span class="sourceLineNo">417</span>    admin.setBalancerRunning(true, true);<a name="line.417"></a>
+<span class="sourceLineNo">418</span>    assertTrue("Balancer did not run", admin.balancer());<a name="line.418"></a>
+<span class="sourceLineNo">419</span>    TEST_UTIL.waitUntilNoRegionsInTransition(60000);<a name="line.419"></a>
+<span class="sourceLineNo">420</span><a name

<TRUNCATED>

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