You are viewing a plain text version of this content. The canonical link for it is here.
Posted to commits@hbase.apache.org by gi...@apache.org on 2018/08/18 14:48:23 UTC
[15/41] hbase-site git commit: Published site at
d159b1f8bb9a29f7786a96c910157e12583768a2.
http://git-wip-us.apache.org/repos/asf/hbase-site/blob/7cafc412/testdevapidocs/src-html/org/apache/hadoop/hbase/namespace/TestNamespaceAuditor.CustomObserver.html
----------------------------------------------------------------------
diff --git a/testdevapidocs/src-html/org/apache/hadoop/hbase/namespace/TestNamespaceAuditor.CustomObserver.html b/testdevapidocs/src-html/org/apache/hadoop/hbase/namespace/TestNamespaceAuditor.CustomObserver.html
index c658da2..3c4d549 100644
--- a/testdevapidocs/src-html/org/apache/hadoop/hbase/namespace/TestNamespaceAuditor.CustomObserver.html
+++ b/testdevapidocs/src-html/org/apache/hadoop/hbase/namespace/TestNamespaceAuditor.CustomObserver.html
@@ -56,710 +56,730 @@
<span class="sourceLineNo">048</span>import org.apache.hadoop.hbase.NamespaceDescriptor;<a name="line.48"></a>
<span class="sourceLineNo">049</span>import org.apache.hadoop.hbase.TableName;<a name="line.49"></a>
<span class="sourceLineNo">050</span>import org.apache.hadoop.hbase.Waiter;<a name="line.50"></a>
-<span class="sourceLineNo">051</span>import org.apache.hadoop.hbase.client.Admin;<a name="line.51"></a>
-<span class="sourceLineNo">052</span>import org.apache.hadoop.hbase.client.Connection;<a name="line.52"></a>
-<span class="sourceLineNo">053</span>import org.apache.hadoop.hbase.client.ConnectionFactory;<a name="line.53"></a>
-<span class="sourceLineNo">054</span>import org.apache.hadoop.hbase.client.DoNotRetryRegionException;<a name="line.54"></a>
-<span class="sourceLineNo">055</span>import org.apache.hadoop.hbase.client.RegionInfo;<a name="line.55"></a>
-<span class="sourceLineNo">056</span>import org.apache.hadoop.hbase.client.RegionLocator;<a name="line.56"></a>
-<span class="sourceLineNo">057</span>import org.apache.hadoop.hbase.client.Table;<a name="line.57"></a>
-<span class="sourceLineNo">058</span>import org.apache.hadoop.hbase.client.TableDescriptor;<a name="line.58"></a>
-<span class="sourceLineNo">059</span>import org.apache.hadoop.hbase.coprocessor.CoprocessorHost;<a name="line.59"></a>
-<span class="sourceLineNo">060</span>import org.apache.hadoop.hbase.coprocessor.MasterCoprocessor;<a name="line.60"></a>
-<span class="sourceLineNo">061</span>import org.apache.hadoop.hbase.coprocessor.MasterCoprocessorEnvironment;<a name="line.61"></a>
-<span class="sourceLineNo">062</span>import org.apache.hadoop.hbase.coprocessor.MasterObserver;<a name="line.62"></a>
-<span class="sourceLineNo">063</span>import org.apache.hadoop.hbase.coprocessor.ObserverContext;<a name="line.63"></a>
-<span class="sourceLineNo">064</span>import org.apache.hadoop.hbase.coprocessor.RegionCoprocessor;<a name="line.64"></a>
-<span class="sourceLineNo">065</span>import org.apache.hadoop.hbase.coprocessor.RegionCoprocessorEnvironment;<a name="line.65"></a>
-<span class="sourceLineNo">066</span>import org.apache.hadoop.hbase.coprocessor.RegionObserver;<a name="line.66"></a>
-<span class="sourceLineNo">067</span>import org.apache.hadoop.hbase.coprocessor.RegionServerCoprocessor;<a name="line.67"></a>
-<span class="sourceLineNo">068</span>import org.apache.hadoop.hbase.coprocessor.RegionServerObserver;<a name="line.68"></a>
-<span class="sourceLineNo">069</span>import org.apache.hadoop.hbase.master.HMaster;<a name="line.69"></a>
-<span class="sourceLineNo">070</span>import org.apache.hadoop.hbase.master.MasterCoprocessorHost;<a name="line.70"></a>
-<span class="sourceLineNo">071</span>import org.apache.hadoop.hbase.master.TableNamespaceManager;<a name="line.71"></a>
-<span class="sourceLineNo">072</span>import org.apache.hadoop.hbase.quotas.MasterQuotaManager;<a name="line.72"></a>
-<span class="sourceLineNo">073</span>import org.apache.hadoop.hbase.quotas.QuotaExceededException;<a name="line.73"></a>
-<span class="sourceLineNo">074</span>import org.apache.hadoop.hbase.quotas.QuotaUtil;<a name="line.74"></a>
-<span class="sourceLineNo">075</span>import org.apache.hadoop.hbase.regionserver.HRegion;<a name="line.75"></a>
-<span class="sourceLineNo">076</span>import org.apache.hadoop.hbase.regionserver.Store;<a name="line.76"></a>
-<span class="sourceLineNo">077</span>import org.apache.hadoop.hbase.regionserver.StoreFile;<a name="line.77"></a>
-<span class="sourceLineNo">078</span>import org.apache.hadoop.hbase.regionserver.compactions.CompactionLifeCycleTracker;<a name="line.78"></a>
-<span class="sourceLineNo">079</span>import org.apache.hadoop.hbase.regionserver.compactions.CompactionRequest;<a name="line.79"></a>
-<span class="sourceLineNo">080</span>import org.apache.hadoop.hbase.snapshot.RestoreSnapshotException;<a name="line.80"></a>
-<span class="sourceLineNo">081</span>import org.apache.hadoop.hbase.testclassification.MediumTests;<a name="line.81"></a>
-<span class="sourceLineNo">082</span>import org.apache.hadoop.hbase.util.Bytes;<a name="line.82"></a>
-<span class="sourceLineNo">083</span>import org.apache.hadoop.hbase.util.FSUtils;<a name="line.83"></a>
-<span class="sourceLineNo">084</span>import org.apache.hadoop.hbase.util.Threads;<a name="line.84"></a>
-<span class="sourceLineNo">085</span>import org.apache.zookeeper.KeeperException;<a name="line.85"></a>
-<span class="sourceLineNo">086</span>import org.junit.After;<a name="line.86"></a>
-<span class="sourceLineNo">087</span>import org.junit.AfterClass;<a name="line.87"></a>
-<span class="sourceLineNo">088</span>import org.junit.BeforeClass;<a name="line.88"></a>
-<span class="sourceLineNo">089</span>import org.junit.ClassRule;<a name="line.89"></a>
-<span class="sourceLineNo">090</span>import org.junit.Test;<a name="line.90"></a>
-<span class="sourceLineNo">091</span>import org.junit.experimental.categories.Category;<a name="line.91"></a>
-<span class="sourceLineNo">092</span>import org.slf4j.Logger;<a name="line.92"></a>
-<span class="sourceLineNo">093</span>import org.slf4j.LoggerFactory;<a name="line.93"></a>
-<span class="sourceLineNo">094</span><a name="line.94"></a>
-<span class="sourceLineNo">095</span>@Category(MediumTests.class)<a name="line.95"></a>
-<span class="sourceLineNo">096</span>public class TestNamespaceAuditor {<a name="line.96"></a>
+<span class="sourceLineNo">051</span>import org.apache.hadoop.hbase.Waiter.ExplainingPredicate;<a name="line.51"></a>
+<span class="sourceLineNo">052</span>import org.apache.hadoop.hbase.client.Admin;<a name="line.52"></a>
+<span class="sourceLineNo">053</span>import org.apache.hadoop.hbase.client.CompactionState;<a name="line.53"></a>
+<span class="sourceLineNo">054</span>import org.apache.hadoop.hbase.client.Connection;<a name="line.54"></a>
+<span class="sourceLineNo">055</span>import org.apache.hadoop.hbase.client.ConnectionFactory;<a name="line.55"></a>
+<span class="sourceLineNo">056</span>import org.apache.hadoop.hbase.client.DoNotRetryRegionException;<a name="line.56"></a>
+<span class="sourceLineNo">057</span>import org.apache.hadoop.hbase.client.RegionInfo;<a name="line.57"></a>
+<span class="sourceLineNo">058</span>import org.apache.hadoop.hbase.client.RegionLocator;<a name="line.58"></a>
+<span class="sourceLineNo">059</span>import org.apache.hadoop.hbase.client.Table;<a name="line.59"></a>
+<span class="sourceLineNo">060</span>import org.apache.hadoop.hbase.client.TableDescriptor;<a name="line.60"></a>
+<span class="sourceLineNo">061</span>import org.apache.hadoop.hbase.coprocessor.CoprocessorHost;<a name="line.61"></a>
+<span class="sourceLineNo">062</span>import org.apache.hadoop.hbase.coprocessor.MasterCoprocessor;<a name="line.62"></a>
+<span class="sourceLineNo">063</span>import org.apache.hadoop.hbase.coprocessor.MasterCoprocessorEnvironment;<a name="line.63"></a>
+<span class="sourceLineNo">064</span>import org.apache.hadoop.hbase.coprocessor.MasterObserver;<a name="line.64"></a>
+<span class="sourceLineNo">065</span>import org.apache.hadoop.hbase.coprocessor.ObserverContext;<a name="line.65"></a>
+<span class="sourceLineNo">066</span>import org.apache.hadoop.hbase.coprocessor.RegionCoprocessor;<a name="line.66"></a>
+<span class="sourceLineNo">067</span>import org.apache.hadoop.hbase.coprocessor.RegionCoprocessorEnvironment;<a name="line.67"></a>
+<span class="sourceLineNo">068</span>import org.apache.hadoop.hbase.coprocessor.RegionObserver;<a name="line.68"></a>
+<span class="sourceLineNo">069</span>import org.apache.hadoop.hbase.coprocessor.RegionServerCoprocessor;<a name="line.69"></a>
+<span class="sourceLineNo">070</span>import org.apache.hadoop.hbase.coprocessor.RegionServerObserver;<a name="line.70"></a>
+<span class="sourceLineNo">071</span>import org.apache.hadoop.hbase.master.HMaster;<a name="line.71"></a>
+<span class="sourceLineNo">072</span>import org.apache.hadoop.hbase.master.MasterCoprocessorHost;<a name="line.72"></a>
+<span class="sourceLineNo">073</span>import org.apache.hadoop.hbase.master.TableNamespaceManager;<a name="line.73"></a>
+<span class="sourceLineNo">074</span>import org.apache.hadoop.hbase.quotas.MasterQuotaManager;<a name="line.74"></a>
+<span class="sourceLineNo">075</span>import org.apache.hadoop.hbase.quotas.QuotaExceededException;<a name="line.75"></a>
+<span class="sourceLineNo">076</span>import org.apache.hadoop.hbase.quotas.QuotaUtil;<a name="line.76"></a>
+<span class="sourceLineNo">077</span>import org.apache.hadoop.hbase.regionserver.HRegion;<a name="line.77"></a>
+<span class="sourceLineNo">078</span>import org.apache.hadoop.hbase.regionserver.Store;<a name="line.78"></a>
+<span class="sourceLineNo">079</span>import org.apache.hadoop.hbase.regionserver.StoreFile;<a name="line.79"></a>
+<span class="sourceLineNo">080</span>import org.apache.hadoop.hbase.regionserver.compactions.CompactionLifeCycleTracker;<a name="line.80"></a>
+<span class="sourceLineNo">081</span>import org.apache.hadoop.hbase.regionserver.compactions.CompactionRequest;<a name="line.81"></a>
+<span class="sourceLineNo">082</span>import org.apache.hadoop.hbase.snapshot.RestoreSnapshotException;<a name="line.82"></a>
+<span class="sourceLineNo">083</span>import org.apache.hadoop.hbase.testclassification.MediumTests;<a name="line.83"></a>
+<span class="sourceLineNo">084</span>import org.apache.hadoop.hbase.util.Bytes;<a name="line.84"></a>
+<span class="sourceLineNo">085</span>import org.apache.hadoop.hbase.util.FSUtils;<a name="line.85"></a>
+<span class="sourceLineNo">086</span>import org.apache.hadoop.hbase.util.RetryCounter;<a name="line.86"></a>
+<span class="sourceLineNo">087</span>import org.apache.hadoop.hbase.util.Threads;<a name="line.87"></a>
+<span class="sourceLineNo">088</span>import org.apache.zookeeper.KeeperException;<a name="line.88"></a>
+<span class="sourceLineNo">089</span>import org.junit.After;<a name="line.89"></a>
+<span class="sourceLineNo">090</span>import org.junit.AfterClass;<a name="line.90"></a>
+<span class="sourceLineNo">091</span>import org.junit.BeforeClass;<a name="line.91"></a>
+<span class="sourceLineNo">092</span>import org.junit.ClassRule;<a name="line.92"></a>
+<span class="sourceLineNo">093</span>import org.junit.Test;<a name="line.93"></a>
+<span class="sourceLineNo">094</span>import org.junit.experimental.categories.Category;<a name="line.94"></a>
+<span class="sourceLineNo">095</span>import org.slf4j.Logger;<a name="line.95"></a>
+<span class="sourceLineNo">096</span>import org.slf4j.LoggerFactory;<a name="line.96"></a>
<span class="sourceLineNo">097</span><a name="line.97"></a>
-<span class="sourceLineNo">098</span> @ClassRule<a name="line.98"></a>
-<span class="sourceLineNo">099</span> public static final HBaseClassTestRule CLASS_RULE =<a name="line.99"></a>
-<span class="sourceLineNo">100</span> HBaseClassTestRule.forClass(TestNamespaceAuditor.class);<a name="line.100"></a>
-<span class="sourceLineNo">101</span><a name="line.101"></a>
-<span class="sourceLineNo">102</span> private static final Logger LOG = LoggerFactory.getLogger(TestNamespaceAuditor.class);<a name="line.102"></a>
-<span class="sourceLineNo">103</span> private static final HBaseTestingUtility UTIL = new HBaseTestingUtility();<a name="line.103"></a>
-<span class="sourceLineNo">104</span> private static Admin ADMIN;<a name="line.104"></a>
-<span class="sourceLineNo">105</span> private String prefix = "TestNamespaceAuditor";<a name="line.105"></a>
-<span class="sourceLineNo">106</span><a name="line.106"></a>
-<span class="sourceLineNo">107</span> @BeforeClass<a name="line.107"></a>
-<span class="sourceLineNo">108</span> public static void before() throws Exception {<a name="line.108"></a>
-<span class="sourceLineNo">109</span> Configuration conf = UTIL.getConfiguration();<a name="line.109"></a>
-<span class="sourceLineNo">110</span> conf.set(CoprocessorHost.REGION_COPROCESSOR_CONF_KEY, CustomObserver.class.getName());<a name="line.110"></a>
-<span class="sourceLineNo">111</span> conf.setStrings(<a name="line.111"></a>
-<span class="sourceLineNo">112</span> CoprocessorHost.MASTER_COPROCESSOR_CONF_KEY,<a name="line.112"></a>
-<span class="sourceLineNo">113</span> MasterSyncObserver.class.getName(), CPMasterObserver.class.getName());<a name="line.113"></a>
-<span class="sourceLineNo">114</span> conf.setInt(HConstants.HBASE_CLIENT_RETRIES_NUMBER, 5);<a name="line.114"></a>
-<span class="sourceLineNo">115</span> conf.setBoolean(QuotaUtil.QUOTA_CONF_KEY, true);<a name="line.115"></a>
-<span class="sourceLineNo">116</span> conf.setClass("hbase.coprocessor.regionserver.classes", CPRegionServerObserver.class,<a name="line.116"></a>
-<span class="sourceLineNo">117</span> RegionServerObserver.class);<a name="line.117"></a>
-<span class="sourceLineNo">118</span> UTIL.startMiniCluster(1, 1);<a name="line.118"></a>
-<span class="sourceLineNo">119</span> waitForQuotaInitialize(UTIL);<a name="line.119"></a>
-<span class="sourceLineNo">120</span> ADMIN = UTIL.getAdmin();<a name="line.120"></a>
-<span class="sourceLineNo">121</span> }<a name="line.121"></a>
-<span class="sourceLineNo">122</span><a name="line.122"></a>
-<span class="sourceLineNo">123</span> @AfterClass<a name="line.123"></a>
-<span class="sourceLineNo">124</span> public static void tearDown() throws Exception {<a name="line.124"></a>
-<span class="sourceLineNo">125</span> UTIL.shutdownMiniCluster();<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> @After<a name="line.128"></a>
-<span class="sourceLineNo">129</span> public void cleanup() throws Exception, KeeperException {<a name="line.129"></a>
-<span class="sourceLineNo">130</span> for (HTableDescriptor table : ADMIN.listTables()) {<a name="line.130"></a>
-<span class="sourceLineNo">131</span> ADMIN.disableTable(table.getTableName());<a name="line.131"></a>
-<span class="sourceLineNo">132</span> deleteTable(table.getTableName());<a name="line.132"></a>
-<span class="sourceLineNo">133</span> }<a name="line.133"></a>
-<span class="sourceLineNo">134</span> for (NamespaceDescriptor ns : ADMIN.listNamespaceDescriptors()) {<a name="line.134"></a>
-<span class="sourceLineNo">135</span> if (ns.getName().startsWith(prefix)) {<a name="line.135"></a>
-<span class="sourceLineNo">136</span> ADMIN.deleteNamespace(ns.getName());<a name="line.136"></a>
-<span class="sourceLineNo">137</span> }<a name="line.137"></a>
-<span class="sourceLineNo">138</span> }<a name="line.138"></a>
-<span class="sourceLineNo">139</span> assertTrue("Quota manager not initialized", UTIL.getHBaseCluster().getMaster()<a name="line.139"></a>
-<span class="sourceLineNo">140</span> .getMasterQuotaManager().isQuotaInitialized());<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 testTableOperations() throws Exception {<a name="line.144"></a>
-<span class="sourceLineNo">145</span> String nsp = prefix + "_np2";<a name="line.145"></a>
-<span class="sourceLineNo">146</span> NamespaceDescriptor nspDesc =<a name="line.146"></a>
-<span class="sourceLineNo">147</span> NamespaceDescriptor.create(nsp).addConfiguration(TableNamespaceManager.KEY_MAX_REGIONS, "5")<a name="line.147"></a>
-<span class="sourceLineNo">148</span> .addConfiguration(TableNamespaceManager.KEY_MAX_TABLES, "2").build();<a name="line.148"></a>
-<span class="sourceLineNo">149</span> ADMIN.createNamespace(nspDesc);<a name="line.149"></a>
-<span class="sourceLineNo">150</span> assertNotNull("Namespace descriptor found null.", ADMIN.getNamespaceDescriptor(nsp));<a name="line.150"></a>
-<span class="sourceLineNo">151</span> assertEquals(3, ADMIN.listNamespaceDescriptors().length);<a name="line.151"></a>
-<span class="sourceLineNo">152</span> HColumnDescriptor fam1 = new HColumnDescriptor("fam1");<a name="line.152"></a>
-<span class="sourceLineNo">153</span><a name="line.153"></a>
-<span class="sourceLineNo">154</span> HTableDescriptor tableDescOne =<a name="line.154"></a>
-<span class="sourceLineNo">155</span> new HTableDescriptor(TableName.valueOf(nsp + TableName.NAMESPACE_DELIM + "table1"));<a name="line.155"></a>
-<span class="sourceLineNo">156</span> tableDescOne.addFamily(fam1);<a name="line.156"></a>
-<span class="sourceLineNo">157</span> HTableDescriptor tableDescTwo =<a name="line.157"></a>
-<span class="sourceLineNo">158</span> new HTableDescriptor(TableName.valueOf(nsp + TableName.NAMESPACE_DELIM + "table2"));<a name="line.158"></a>
-<span class="sourceLineNo">159</span> tableDescTwo.addFamily(fam1);<a name="line.159"></a>
-<span class="sourceLineNo">160</span> HTableDescriptor tableDescThree =<a name="line.160"></a>
-<span class="sourceLineNo">161</span> new HTableDescriptor(TableName.valueOf(nsp + TableName.NAMESPACE_DELIM + "table3"));<a name="line.161"></a>
-<span class="sourceLineNo">162</span> tableDescThree.addFamily(fam1);<a name="line.162"></a>
-<span class="sourceLineNo">163</span> ADMIN.createTable(tableDescOne);<a name="line.163"></a>
-<span class="sourceLineNo">164</span> boolean constraintViolated = false;<a name="line.164"></a>
-<span class="sourceLineNo">165</span> try {<a name="line.165"></a>
-<span class="sourceLineNo">166</span> ADMIN.createTable(tableDescTwo, Bytes.toBytes("AAA"), Bytes.toBytes("ZZZ"), 5);<a name="line.166"></a>
-<span class="sourceLineNo">167</span> } catch (Exception exp) {<a name="line.167"></a>
-<span class="sourceLineNo">168</span> assertTrue(exp instanceof IOException);<a name="line.168"></a>
-<span class="sourceLineNo">169</span> constraintViolated = true;<a name="line.169"></a>
-<span class="sourceLineNo">170</span> } finally {<a name="line.170"></a>
-<span class="sourceLineNo">171</span> assertTrue("Constraint not violated for table " + tableDescTwo.getTableName(),<a name="line.171"></a>
-<span class="sourceLineNo">172</span> constraintViolated);<a name="line.172"></a>
-<span class="sourceLineNo">173</span> }<a name="line.173"></a>
-<span class="sourceLineNo">174</span> ADMIN.createTable(tableDescTwo, Bytes.toBytes("AAA"), Bytes.toBytes("ZZZ"), 4);<a name="line.174"></a>
-<span class="sourceLineNo">175</span> NamespaceTableAndRegionInfo nspState = getQuotaManager().getState(nsp);<a name="line.175"></a>
-<span class="sourceLineNo">176</span> assertNotNull(nspState);<a name="line.176"></a>
-<span class="sourceLineNo">177</span> assertTrue(nspState.getTables().size() == 2);<a name="line.177"></a>
-<span class="sourceLineNo">178</span> assertTrue(nspState.getRegionCount() == 5);<a name="line.178"></a>
-<span class="sourceLineNo">179</span> constraintViolated = false;<a name="line.179"></a>
-<span class="sourceLineNo">180</span> try {<a name="line.180"></a>
-<span class="sourceLineNo">181</span> ADMIN.createTable(tableDescThree);<a name="line.181"></a>
-<span class="sourceLineNo">182</span> } catch (Exception exp) {<a name="line.182"></a>
-<span class="sourceLineNo">183</span> assertTrue(exp instanceof IOException);<a name="line.183"></a>
-<span class="sourceLineNo">184</span> constraintViolated = true;<a name="line.184"></a>
-<span class="sourceLineNo">185</span> } finally {<a name="line.185"></a>
-<span class="sourceLineNo">186</span> assertTrue("Constraint not violated for table " + tableDescThree.getTableName(),<a name="line.186"></a>
-<span class="sourceLineNo">187</span> constraintViolated);<a name="line.187"></a>
-<span class="sourceLineNo">188</span> }<a name="line.188"></a>
-<span class="sourceLineNo">189</span> }<a name="line.189"></a>
-<span class="sourceLineNo">190</span><a name="line.190"></a>
-<span class="sourceLineNo">191</span> @Test<a name="line.191"></a>
-<span class="sourceLineNo">192</span> public void testValidQuotas() throws Exception {<a name="line.192"></a>
-<span class="sourceLineNo">193</span> boolean exceptionCaught = false;<a name="line.193"></a>
-<span class="sourceLineNo">194</span> FileSystem fs = UTIL.getHBaseCluster().getMaster().getMasterFileSystem().getFileSystem();<a name="line.194"></a>
-<span class="sourceLineNo">195</span> Path rootDir = UTIL.getHBaseCluster().getMaster().getMasterFileSystem().getRootDir();<a name="line.195"></a>
-<span class="sourceLineNo">196</span> NamespaceDescriptor nspDesc =<a name="line.196"></a>
-<span class="sourceLineNo">197</span> NamespaceDescriptor.create(prefix + "vq1")<a name="line.197"></a>
-<span class="sourceLineNo">198</span> .addConfiguration(TableNamespaceManager.KEY_MAX_REGIONS, "hihdufh")<a name="line.198"></a>
-<span class="sourceLineNo">199</span> .addConfiguration(TableNamespaceManager.KEY_MAX_TABLES, "2").build();<a name="line.199"></a>
-<span class="sourceLineNo">200</span> try {<a name="line.200"></a>
-<span class="sourceLineNo">201</span> ADMIN.createNamespace(nspDesc);<a name="line.201"></a>
-<span class="sourceLineNo">202</span> } catch (Exception exp) {<a name="line.202"></a>
-<span class="sourceLineNo">203</span> LOG.warn(exp.toString(), exp);<a name="line.203"></a>
-<span class="sourceLineNo">204</span> exceptionCaught = true;<a name="line.204"></a>
-<span class="sourceLineNo">205</span> } finally {<a name="line.205"></a>
-<span class="sourceLineNo">206</span> assertTrue(exceptionCaught);<a name="line.206"></a>
-<span class="sourceLineNo">207</span> assertFalse(fs.exists(FSUtils.getNamespaceDir(rootDir, nspDesc.getName())));<a name="line.207"></a>
-<span class="sourceLineNo">208</span> }<a name="line.208"></a>
-<span class="sourceLineNo">209</span> nspDesc =<a name="line.209"></a>
-<span class="sourceLineNo">210</span> NamespaceDescriptor.create(prefix + "vq2")<a name="line.210"></a>
-<span class="sourceLineNo">211</span> .addConfiguration(TableNamespaceManager.KEY_MAX_REGIONS, "-456")<a name="line.211"></a>
-<span class="sourceLineNo">212</span> .addConfiguration(TableNamespaceManager.KEY_MAX_TABLES, "2").build();<a name="line.212"></a>
-<span class="sourceLineNo">213</span> try {<a name="line.213"></a>
-<span class="sourceLineNo">214</span> ADMIN.createNamespace(nspDesc);<a name="line.214"></a>
-<span class="sourceLineNo">215</span> } catch (Exception exp) {<a name="line.215"></a>
-<span class="sourceLineNo">216</span> LOG.warn(exp.toString(), exp);<a name="line.216"></a>
-<span class="sourceLineNo">217</span> exceptionCaught = true;<a name="line.217"></a>
-<span class="sourceLineNo">218</span> } finally {<a name="line.218"></a>
-<span class="sourceLineNo">219</span> assertTrue(exceptionCaught);<a name="line.219"></a>
-<span class="sourceLineNo">220</span> assertFalse(fs.exists(FSUtils.getNamespaceDir(rootDir, nspDesc.getName())));<a name="line.220"></a>
-<span class="sourceLineNo">221</span> }<a name="line.221"></a>
-<span class="sourceLineNo">222</span> nspDesc =<a name="line.222"></a>
-<span class="sourceLineNo">223</span> NamespaceDescriptor.create(prefix + "vq3")<a name="line.223"></a>
-<span class="sourceLineNo">224</span> .addConfiguration(TableNamespaceManager.KEY_MAX_REGIONS, "10")<a name="line.224"></a>
-<span class="sourceLineNo">225</span> .addConfiguration(TableNamespaceManager.KEY_MAX_TABLES, "sciigd").build();<a name="line.225"></a>
-<span class="sourceLineNo">226</span> try {<a name="line.226"></a>
-<span class="sourceLineNo">227</span> ADMIN.createNamespace(nspDesc);<a name="line.227"></a>
-<span class="sourceLineNo">228</span> } catch (Exception exp) {<a name="line.228"></a>
-<span class="sourceLineNo">229</span> LOG.warn(exp.toString(), exp);<a name="line.229"></a>
-<span class="sourceLineNo">230</span> exceptionCaught = true;<a name="line.230"></a>
-<span class="sourceLineNo">231</span> } finally {<a name="line.231"></a>
-<span class="sourceLineNo">232</span> assertTrue(exceptionCaught);<a name="line.232"></a>
-<span class="sourceLineNo">233</span> assertFalse(fs.exists(FSUtils.getNamespaceDir(rootDir, nspDesc.getName())));<a name="line.233"></a>
-<span class="sourceLineNo">234</span> }<a name="line.234"></a>
-<span class="sourceLineNo">235</span> nspDesc =<a name="line.235"></a>
-<span class="sourceLineNo">236</span> NamespaceDescriptor.create(prefix + "vq4")<a name="line.236"></a>
-<span class="sourceLineNo">237</span> .addConfiguration(TableNamespaceManager.KEY_MAX_REGIONS, "10")<a name="line.237"></a>
-<span class="sourceLineNo">238</span> .addConfiguration(TableNamespaceManager.KEY_MAX_TABLES, "-1500").build();<a name="line.238"></a>
-<span class="sourceLineNo">239</span> try {<a name="line.239"></a>
-<span class="sourceLineNo">240</span> ADMIN.createNamespace(nspDesc);<a name="line.240"></a>
-<span class="sourceLineNo">241</span> } catch (Exception exp) {<a name="line.241"></a>
-<span class="sourceLineNo">242</span> LOG.warn(exp.toString(), exp);<a name="line.242"></a>
-<span class="sourceLineNo">243</span> exceptionCaught = true;<a name="line.243"></a>
-<span class="sourceLineNo">244</span> } finally {<a name="line.244"></a>
-<span class="sourceLineNo">245</span> assertTrue(exceptionCaught);<a name="line.245"></a>
-<span class="sourceLineNo">246</span> assertFalse(fs.exists(FSUtils.getNamespaceDir(rootDir, nspDesc.getName())));<a name="line.246"></a>
-<span class="sourceLineNo">247</span> }<a name="line.247"></a>
-<span class="sourceLineNo">248</span> }<a name="line.248"></a>
-<span class="sourceLineNo">249</span><a name="line.249"></a>
-<span class="sourceLineNo">250</span> @Test<a name="line.250"></a>
-<span class="sourceLineNo">251</span> public void testDeleteTable() throws Exception {<a name="line.251"></a>
-<span class="sourceLineNo">252</span> String namespace = prefix + "_dummy";<a name="line.252"></a>
-<span class="sourceLineNo">253</span> NamespaceDescriptor nspDesc =<a name="line.253"></a>
-<span class="sourceLineNo">254</span> NamespaceDescriptor.create(namespace)<a name="line.254"></a>
-<span class="sourceLineNo">255</span> .addConfiguration(TableNamespaceManager.KEY_MAX_REGIONS, "100")<a name="line.255"></a>
-<span class="sourceLineNo">256</span> .addConfiguration(TableNamespaceManager.KEY_MAX_TABLES, "3").build();<a name="line.256"></a>
-<span class="sourceLineNo">257</span> ADMIN.createNamespace(nspDesc);<a name="line.257"></a>
-<span class="sourceLineNo">258</span> assertNotNull("Namespace descriptor found null.", ADMIN.getNamespaceDescriptor(namespace));<a name="line.258"></a>
-<span class="sourceLineNo">259</span> NamespaceTableAndRegionInfo stateInfo = getNamespaceState(nspDesc.getName());<a name="line.259"></a>
-<span class="sourceLineNo">260</span> assertNotNull("Namespace state found null for " + namespace, stateInfo);<a name="line.260"></a>
-<span class="sourceLineNo">261</span> HColumnDescriptor fam1 = new HColumnDescriptor("fam1");<a name="line.261"></a>
-<span class="sourceLineNo">262</span> HTableDescriptor tableDescOne =<a name="line.262"></a>
-<span class="sourceLineNo">263</span> new HTableDescriptor(TableName.valueOf(namespace + TableName.NAMESPACE_DELIM + "table1"));<a name="line.263"></a>
-<span class="sourceLineNo">264</span> tableDescOne.addFamily(fam1);<a name="line.264"></a>
-<span class="sourceLineNo">265</span> HTableDescriptor tableDescTwo =<a name="line.265"></a>
-<span class="sourceLineNo">266</span> new HTableDescriptor(TableName.valueOf(namespace + TableName.NAMESPACE_DELIM + "table2"));<a name="line.266"></a>
-<span class="sourceLineNo">267</span> tableDescTwo.addFamily(fam1);<a name="line.267"></a>
-<span class="sourceLineNo">268</span> ADMIN.createTable(tableDescOne);<a name="line.268"></a>
-<span class="sourceLineNo">269</span> ADMIN.createTable(tableDescTwo, Bytes.toBytes("AAA"), Bytes.toBytes("ZZZ"), 5);<a name="line.269"></a>
-<span class="sourceLineNo">270</span> stateInfo = getNamespaceState(nspDesc.getName());<a name="line.270"></a>
-<span class="sourceLineNo">271</span> assertNotNull("Namespace state found to be null.", stateInfo);<a name="line.271"></a>
-<span class="sourceLineNo">272</span> assertEquals(2, stateInfo.getTables().size());<a name="line.272"></a>
-<span class="sourceLineNo">273</span> assertEquals(5, stateInfo.getRegionCountOfTable(tableDescTwo.getTableName()));<a name="line.273"></a>
-<span class="sourceLineNo">274</span> assertEquals(6, stateInfo.getRegionCount());<a name="line.274"></a>
-<span class="sourceLineNo">275</span> ADMIN.disableTable(tableDescOne.getTableName());<a name="line.275"></a>
-<span class="sourceLineNo">276</span> deleteTable(tableDescOne.getTableName());<a name="line.276"></a>
-<span class="sourceLineNo">277</span> stateInfo = getNamespaceState(nspDesc.getName());<a name="line.277"></a>
-<span class="sourceLineNo">278</span> assertNotNull("Namespace state found to be null.", stateInfo);<a name="line.278"></a>
-<span class="sourceLineNo">279</span> assertEquals(5, stateInfo.getRegionCount());<a name="line.279"></a>
-<span class="sourceLineNo">280</span> assertEquals(1, stateInfo.getTables().size());<a name="line.280"></a>
-<span class="sourceLineNo">281</span> ADMIN.disableTable(tableDescTwo.getTableName());<a name="line.281"></a>
-<span class="sourceLineNo">282</span> deleteTable(tableDescTwo.getTableName());<a name="line.282"></a>
-<span class="sourceLineNo">283</span> ADMIN.deleteNamespace(namespace);<a name="line.283"></a>
-<span class="sourceLineNo">284</span> stateInfo = getNamespaceState(namespace);<a name="line.284"></a>
-<span class="sourceLineNo">285</span> assertNull("Namespace state not found to be null.", stateInfo);<a name="line.285"></a>
-<span class="sourceLineNo">286</span> }<a name="line.286"></a>
-<span class="sourceLineNo">287</span><a name="line.287"></a>
-<span class="sourceLineNo">288</span> public static class CPRegionServerObserver<a name="line.288"></a>
-<span class="sourceLineNo">289</span> implements RegionServerCoprocessor, RegionServerObserver {<a name="line.289"></a>
-<span class="sourceLineNo">290</span> private volatile boolean shouldFailMerge = false;<a name="line.290"></a>
-<span class="sourceLineNo">291</span><a name="line.291"></a>
-<span class="sourceLineNo">292</span> public void failMerge(boolean fail) {<a name="line.292"></a>
-<span class="sourceLineNo">293</span> shouldFailMerge = fail;<a name="line.293"></a>
-<span class="sourceLineNo">294</span> }<a name="line.294"></a>
-<span class="sourceLineNo">295</span><a name="line.295"></a>
-<span class="sourceLineNo">296</span> private boolean triggered = false;<a name="line.296"></a>
-<span class="sourceLineNo">297</span><a name="line.297"></a>
-<span class="sourceLineNo">298</span> public synchronized void waitUtilTriggered() throws InterruptedException {<a name="line.298"></a>
-<span class="sourceLineNo">299</span> while (!triggered) {<a name="line.299"></a>
-<span class="sourceLineNo">300</span> wait();<a name="line.300"></a>
-<span class="sourceLineNo">301</span> }<a name="line.301"></a>
-<span class="sourceLineNo">302</span> }<a name="line.302"></a>
-<span class="sourceLineNo">303</span><a name="line.303"></a>
-<span class="sourceLineNo">304</span> @Override<a name="line.304"></a>
-<span class="sourceLineNo">305</span> public Optional<RegionServerObserver> getRegionServerObserver() {<a name="line.305"></a>
-<span class="sourceLineNo">306</span> return Optional.of(this);<a name="line.306"></a>
-<span class="sourceLineNo">307</span> }<a name="line.307"></a>
-<span class="sourceLineNo">308</span> }<a name="line.308"></a>
-<span class="sourceLineNo">309</span><a name="line.309"></a>
-<span class="sourceLineNo">310</span> public static class CPMasterObserver implements MasterCoprocessor, MasterObserver {<a name="line.310"></a>
-<span class="sourceLineNo">311</span> private volatile boolean shouldFailMerge = false;<a name="line.311"></a>
+<span class="sourceLineNo">098</span>@Category(MediumTests.class)<a name="line.98"></a>
+<span class="sourceLineNo">099</span>public class TestNamespaceAuditor {<a name="line.99"></a>
+<span class="sourceLineNo">100</span><a name="line.100"></a>
+<span class="sourceLineNo">101</span> @ClassRule<a name="line.101"></a>
+<span class="sourceLineNo">102</span> public static final HBaseClassTestRule CLASS_RULE =<a name="line.102"></a>
+<span class="sourceLineNo">103</span> HBaseClassTestRule.forClass(TestNamespaceAuditor.class);<a name="line.103"></a>
+<span class="sourceLineNo">104</span><a name="line.104"></a>
+<span class="sourceLineNo">105</span> private static final Logger LOG = LoggerFactory.getLogger(TestNamespaceAuditor.class);<a name="line.105"></a>
+<span class="sourceLineNo">106</span> private static final HBaseTestingUtility UTIL = new HBaseTestingUtility();<a name="line.106"></a>
+<span class="sourceLineNo">107</span> private static Admin ADMIN;<a name="line.107"></a>
+<span class="sourceLineNo">108</span> private String prefix = "TestNamespaceAuditor";<a name="line.108"></a>
+<span class="sourceLineNo">109</span><a name="line.109"></a>
+<span class="sourceLineNo">110</span> @BeforeClass<a name="line.110"></a>
+<span class="sourceLineNo">111</span> public static void before() throws Exception {<a name="line.111"></a>
+<span class="sourceLineNo">112</span> Configuration conf = UTIL.getConfiguration();<a name="line.112"></a>
+<span class="sourceLineNo">113</span> conf.set(CoprocessorHost.REGION_COPROCESSOR_CONF_KEY, CustomObserver.class.getName());<a name="line.113"></a>
+<span class="sourceLineNo">114</span> conf.setStrings(<a name="line.114"></a>
+<span class="sourceLineNo">115</span> CoprocessorHost.MASTER_COPROCESSOR_CONF_KEY,<a name="line.115"></a>
+<span class="sourceLineNo">116</span> MasterSyncObserver.class.getName(), CPMasterObserver.class.getName());<a name="line.116"></a>
+<span class="sourceLineNo">117</span> conf.setInt(HConstants.HBASE_CLIENT_RETRIES_NUMBER, 5);<a name="line.117"></a>
+<span class="sourceLineNo">118</span> conf.setBoolean(QuotaUtil.QUOTA_CONF_KEY, true);<a name="line.118"></a>
+<span class="sourceLineNo">119</span> conf.setClass("hbase.coprocessor.regionserver.classes", CPRegionServerObserver.class,<a name="line.119"></a>
+<span class="sourceLineNo">120</span> RegionServerObserver.class);<a name="line.120"></a>
+<span class="sourceLineNo">121</span> UTIL.startMiniCluster(1, 1);<a name="line.121"></a>
+<span class="sourceLineNo">122</span> waitForQuotaInitialize(UTIL);<a name="line.122"></a>
+<span class="sourceLineNo">123</span> ADMIN = UTIL.getAdmin();<a name="line.123"></a>
+<span class="sourceLineNo">124</span> }<a name="line.124"></a>
+<span class="sourceLineNo">125</span><a name="line.125"></a>
+<span class="sourceLineNo">126</span> @AfterClass<a name="line.126"></a>
+<span class="sourceLineNo">127</span> public static void tearDown() throws Exception {<a name="line.127"></a>
+<span class="sourceLineNo">128</span> UTIL.shutdownMiniCluster();<a name="line.128"></a>
+<span class="sourceLineNo">129</span> }<a name="line.129"></a>
+<span class="sourceLineNo">130</span><a name="line.130"></a>
+<span class="sourceLineNo">131</span> @After<a name="line.131"></a>
+<span class="sourceLineNo">132</span> public void cleanup() throws Exception, KeeperException {<a name="line.132"></a>
+<span class="sourceLineNo">133</span> for (HTableDescriptor table : ADMIN.listTables()) {<a name="line.133"></a>
+<span class="sourceLineNo">134</span> ADMIN.disableTable(table.getTableName());<a name="line.134"></a>
+<span class="sourceLineNo">135</span> deleteTable(table.getTableName());<a name="line.135"></a>
+<span class="sourceLineNo">136</span> }<a name="line.136"></a>
+<span class="sourceLineNo">137</span> for (NamespaceDescriptor ns : ADMIN.listNamespaceDescriptors()) {<a name="line.137"></a>
+<span class="sourceLineNo">138</span> if (ns.getName().startsWith(prefix)) {<a name="line.138"></a>
+<span class="sourceLineNo">139</span> ADMIN.deleteNamespace(ns.getName());<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> assertTrue("Quota manager not initialized", UTIL.getHBaseCluster().getMaster()<a name="line.142"></a>
+<span class="sourceLineNo">143</span> .getMasterQuotaManager().isQuotaInitialized());<a name="line.143"></a>
+<span class="sourceLineNo">144</span> }<a name="line.144"></a>
+<span class="sourceLineNo">145</span><a name="line.145"></a>
+<span class="sourceLineNo">146</span> @Test<a name="line.146"></a>
+<span class="sourceLineNo">147</span> public void testTableOperations() throws Exception {<a name="line.147"></a>
+<span class="sourceLineNo">148</span> String nsp = prefix + "_np2";<a name="line.148"></a>
+<span class="sourceLineNo">149</span> NamespaceDescriptor nspDesc =<a name="line.149"></a>
+<span class="sourceLineNo">150</span> NamespaceDescriptor.create(nsp).addConfiguration(TableNamespaceManager.KEY_MAX_REGIONS, "5")<a name="line.150"></a>
+<span class="sourceLineNo">151</span> .addConfiguration(TableNamespaceManager.KEY_MAX_TABLES, "2").build();<a name="line.151"></a>
+<span class="sourceLineNo">152</span> ADMIN.createNamespace(nspDesc);<a name="line.152"></a>
+<span class="sourceLineNo">153</span> assertNotNull("Namespace descriptor found null.", ADMIN.getNamespaceDescriptor(nsp));<a name="line.153"></a>
+<span class="sourceLineNo">154</span> assertEquals(3, ADMIN.listNamespaceDescriptors().length);<a name="line.154"></a>
+<span class="sourceLineNo">155</span> HColumnDescriptor fam1 = new HColumnDescriptor("fam1");<a name="line.155"></a>
+<span class="sourceLineNo">156</span><a name="line.156"></a>
+<span class="sourceLineNo">157</span> HTableDescriptor tableDescOne =<a name="line.157"></a>
+<span class="sourceLineNo">158</span> new HTableDescriptor(TableName.valueOf(nsp + TableName.NAMESPACE_DELIM + "table1"));<a name="line.158"></a>
+<span class="sourceLineNo">159</span> tableDescOne.addFamily(fam1);<a name="line.159"></a>
+<span class="sourceLineNo">160</span> HTableDescriptor tableDescTwo =<a name="line.160"></a>
+<span class="sourceLineNo">161</span> new HTableDescriptor(TableName.valueOf(nsp + TableName.NAMESPACE_DELIM + "table2"));<a name="line.161"></a>
+<span class="sourceLineNo">162</span> tableDescTwo.addFamily(fam1);<a name="line.162"></a>
+<span class="sourceLineNo">163</span> HTableDescriptor tableDescThree =<a name="line.163"></a>
+<span class="sourceLineNo">164</span> new HTableDescriptor(TableName.valueOf(nsp + TableName.NAMESPACE_DELIM + "table3"));<a name="line.164"></a>
+<span class="sourceLineNo">165</span> tableDescThree.addFamily(fam1);<a name="line.165"></a>
+<span class="sourceLineNo">166</span> ADMIN.createTable(tableDescOne);<a name="line.166"></a>
+<span class="sourceLineNo">167</span> boolean constraintViolated = false;<a name="line.167"></a>
+<span class="sourceLineNo">168</span> try {<a name="line.168"></a>
+<span class="sourceLineNo">169</span> ADMIN.createTable(tableDescTwo, Bytes.toBytes("AAA"), Bytes.toBytes("ZZZ"), 5);<a name="line.169"></a>
+<span class="sourceLineNo">170</span> } catch (Exception exp) {<a name="line.170"></a>
+<span class="sourceLineNo">171</span> assertTrue(exp instanceof IOException);<a name="line.171"></a>
+<span class="sourceLineNo">172</span> constraintViolated = true;<a name="line.172"></a>
+<span class="sourceLineNo">173</span> } finally {<a name="line.173"></a>
+<span class="sourceLineNo">174</span> assertTrue("Constraint not violated for table " + tableDescTwo.getTableName(),<a name="line.174"></a>
+<span class="sourceLineNo">175</span> constraintViolated);<a name="line.175"></a>
+<span class="sourceLineNo">176</span> }<a name="line.176"></a>
+<span class="sourceLineNo">177</span> ADMIN.createTable(tableDescTwo, Bytes.toBytes("AAA"), Bytes.toBytes("ZZZ"), 4);<a name="line.177"></a>
+<span class="sourceLineNo">178</span> NamespaceTableAndRegionInfo nspState = getQuotaManager().getState(nsp);<a name="line.178"></a>
+<span class="sourceLineNo">179</span> assertNotNull(nspState);<a name="line.179"></a>
+<span class="sourceLineNo">180</span> assertTrue(nspState.getTables().size() == 2);<a name="line.180"></a>
+<span class="sourceLineNo">181</span> assertTrue(nspState.getRegionCount() == 5);<a name="line.181"></a>
+<span class="sourceLineNo">182</span> constraintViolated = false;<a name="line.182"></a>
+<span class="sourceLineNo">183</span> try {<a name="line.183"></a>
+<span class="sourceLineNo">184</span> ADMIN.createTable(tableDescThree);<a name="line.184"></a>
+<span class="sourceLineNo">185</span> } catch (Exception exp) {<a name="line.185"></a>
+<span class="sourceLineNo">186</span> assertTrue(exp instanceof IOException);<a name="line.186"></a>
+<span class="sourceLineNo">187</span> constraintViolated = true;<a name="line.187"></a>
+<span class="sourceLineNo">188</span> } finally {<a name="line.188"></a>
+<span class="sourceLineNo">189</span> assertTrue("Constraint not violated for table " + tableDescThree.getTableName(),<a name="line.189"></a>
+<span class="sourceLineNo">190</span> constraintViolated);<a name="line.190"></a>
+<span class="sourceLineNo">191</span> }<a name="line.191"></a>
+<span class="sourceLineNo">192</span> }<a name="line.192"></a>
+<span class="sourceLineNo">193</span><a name="line.193"></a>
+<span class="sourceLineNo">194</span> @Test<a name="line.194"></a>
+<span class="sourceLineNo">195</span> public void testValidQuotas() throws Exception {<a name="line.195"></a>
+<span class="sourceLineNo">196</span> boolean exceptionCaught = false;<a name="line.196"></a>
+<span class="sourceLineNo">197</span> FileSystem fs = UTIL.getHBaseCluster().getMaster().getMasterFileSystem().getFileSystem();<a name="line.197"></a>
+<span class="sourceLineNo">198</span> Path rootDir = UTIL.getHBaseCluster().getMaster().getMasterFileSystem().getRootDir();<a name="line.198"></a>
+<span class="sourceLineNo">199</span> NamespaceDescriptor nspDesc =<a name="line.199"></a>
+<span class="sourceLineNo">200</span> NamespaceDescriptor.create(prefix + "vq1")<a name="line.200"></a>
+<span class="sourceLineNo">201</span> .addConfiguration(TableNamespaceManager.KEY_MAX_REGIONS, "hihdufh")<a name="line.201"></a>
+<span class="sourceLineNo">202</span> .addConfiguration(TableNamespaceManager.KEY_MAX_TABLES, "2").build();<a name="line.202"></a>
+<span class="sourceLineNo">203</span> try {<a name="line.203"></a>
+<span class="sourceLineNo">204</span> ADMIN.createNamespace(nspDesc);<a name="line.204"></a>
+<span class="sourceLineNo">205</span> } catch (Exception exp) {<a name="line.205"></a>
+<span class="sourceLineNo">206</span> LOG.warn(exp.toString(), exp);<a name="line.206"></a>
+<span class="sourceLineNo">207</span> exceptionCaught = true;<a name="line.207"></a>
+<span class="sourceLineNo">208</span> } finally {<a name="line.208"></a>
+<span class="sourceLineNo">209</span> assertTrue(exceptionCaught);<a name="line.209"></a>
+<span class="sourceLineNo">210</span> assertFalse(fs.exists(FSUtils.getNamespaceDir(rootDir, nspDesc.getName())));<a name="line.210"></a>
+<span class="sourceLineNo">211</span> }<a name="line.211"></a>
+<span class="sourceLineNo">212</span> nspDesc =<a name="line.212"></a>
+<span class="sourceLineNo">213</span> NamespaceDescriptor.create(prefix + "vq2")<a name="line.213"></a>
+<span class="sourceLineNo">214</span> .addConfiguration(TableNamespaceManager.KEY_MAX_REGIONS, "-456")<a name="line.214"></a>
+<span class="sourceLineNo">215</span> .addConfiguration(TableNamespaceManager.KEY_MAX_TABLES, "2").build();<a name="line.215"></a>
+<span class="sourceLineNo">216</span> try {<a name="line.216"></a>
+<span class="sourceLineNo">217</span> ADMIN.createNamespace(nspDesc);<a name="line.217"></a>
+<span class="sourceLineNo">218</span> } catch (Exception exp) {<a name="line.218"></a>
+<span class="sourceLineNo">219</span> LOG.warn(exp.toString(), exp);<a name="line.219"></a>
+<span class="sourceLineNo">220</span> exceptionCaught = true;<a name="line.220"></a>
+<span class="sourceLineNo">221</span> } finally {<a name="line.221"></a>
+<span class="sourceLineNo">222</span> assertTrue(exceptionCaught);<a name="line.222"></a>
+<span class="sourceLineNo">223</span> assertFalse(fs.exists(FSUtils.getNamespaceDir(rootDir, nspDesc.getName())));<a name="line.223"></a>
+<span class="sourceLineNo">224</span> }<a name="line.224"></a>
+<span class="sourceLineNo">225</span> nspDesc =<a name="line.225"></a>
+<span class="sourceLineNo">226</span> NamespaceDescriptor.create(prefix + "vq3")<a name="line.226"></a>
+<span class="sourceLineNo">227</span> .addConfiguration(TableNamespaceManager.KEY_MAX_REGIONS, "10")<a name="line.227"></a>
+<span class="sourceLineNo">228</span> .addConfiguration(TableNamespaceManager.KEY_MAX_TABLES, "sciigd").build();<a name="line.228"></a>
+<span class="sourceLineNo">229</span> try {<a name="line.229"></a>
+<span class="sourceLineNo">230</span> ADMIN.createNamespace(nspDesc);<a name="line.230"></a>
+<span class="sourceLineNo">231</span> } catch (Exception exp) {<a name="line.231"></a>
+<span class="sourceLineNo">232</span> LOG.warn(exp.toString(), exp);<a name="line.232"></a>
+<span class="sourceLineNo">233</span> exceptionCaught = true;<a name="line.233"></a>
+<span class="sourceLineNo">234</span> } finally {<a name="line.234"></a>
+<span class="sourceLineNo">235</span> assertTrue(exceptionCaught);<a name="line.235"></a>
+<span class="sourceLineNo">236</span> assertFalse(fs.exists(FSUtils.getNamespaceDir(rootDir, nspDesc.getName())));<a name="line.236"></a>
+<span class="sourceLineNo">237</span> }<a name="line.237"></a>
+<span class="sourceLineNo">238</span> nspDesc =<a name="line.238"></a>
+<span class="sourceLineNo">239</span> NamespaceDescriptor.create(prefix + "vq4")<a name="line.239"></a>
+<span class="sourceLineNo">240</span> .addConfiguration(TableNamespaceManager.KEY_MAX_REGIONS, "10")<a name="line.240"></a>
+<span class="sourceLineNo">241</span> .addConfiguration(TableNamespaceManager.KEY_MAX_TABLES, "-1500").build();<a name="line.241"></a>
+<span class="sourceLineNo">242</span> try {<a name="line.242"></a>
+<span class="sourceLineNo">243</span> ADMIN.createNamespace(nspDesc);<a name="line.243"></a>
+<span class="sourceLineNo">244</span> } catch (Exception exp) {<a name="line.244"></a>
+<span class="sourceLineNo">245</span> LOG.warn(exp.toString(), exp);<a name="line.245"></a>
+<span class="sourceLineNo">246</span> exceptionCaught = true;<a name="line.246"></a>
+<span class="sourceLineNo">247</span> } finally {<a name="line.247"></a>
+<span class="sourceLineNo">248</span> assertTrue(exceptionCaught);<a name="line.248"></a>
+<span class="sourceLineNo">249</span> assertFalse(fs.exists(FSUtils.getNamespaceDir(rootDir, nspDesc.getName())));<a name="line.249"></a>
+<span class="sourceLineNo">250</span> }<a name="line.250"></a>
+<span class="sourceLineNo">251</span> }<a name="line.251"></a>
+<span class="sourceLineNo">252</span><a name="line.252"></a>
+<span class="sourceLineNo">253</span> @Test<a name="line.253"></a>
+<span class="sourceLineNo">254</span> public void testDeleteTable() throws Exception {<a name="line.254"></a>
+<span class="sourceLineNo">255</span> String namespace = prefix + "_dummy";<a name="line.255"></a>
+<span class="sourceLineNo">256</span> NamespaceDescriptor nspDesc =<a name="line.256"></a>
+<span class="sourceLineNo">257</span> NamespaceDescriptor.create(namespace)<a name="line.257"></a>
+<span class="sourceLineNo">258</span> .addConfiguration(TableNamespaceManager.KEY_MAX_REGIONS, "100")<a name="line.258"></a>
+<span class="sourceLineNo">259</span> .addConfiguration(TableNamespaceManager.KEY_MAX_TABLES, "3").build();<a name="line.259"></a>
+<span class="sourceLineNo">260</span> ADMIN.createNamespace(nspDesc);<a name="line.260"></a>
+<span class="sourceLineNo">261</span> assertNotNull("Namespace descriptor found null.", ADMIN.getNamespaceDescriptor(namespace));<a name="line.261"></a>
+<span class="sourceLineNo">262</span> NamespaceTableAndRegionInfo stateInfo = getNamespaceState(nspDesc.getName());<a name="line.262"></a>
+<span class="sourceLineNo">263</span> assertNotNull("Namespace state found null for " + namespace, stateInfo);<a name="line.263"></a>
+<span class="sourceLineNo">264</span> HColumnDescriptor fam1 = new HColumnDescriptor("fam1");<a name="line.264"></a>
+<span class="sourceLineNo">265</span> HTableDescriptor tableDescOne =<a name="line.265"></a>
+<span class="sourceLineNo">266</span> new HTableDescriptor(TableName.valueOf(namespace + TableName.NAMESPACE_DELIM + "table1"));<a name="line.266"></a>
+<span class="sourceLineNo">267</span> tableDescOne.addFamily(fam1);<a name="line.267"></a>
+<span class="sourceLineNo">268</span> HTableDescriptor tableDescTwo =<a name="line.268"></a>
+<span class="sourceLineNo">269</span> new HTableDescriptor(TableName.valueOf(namespace + TableName.NAMESPACE_DELIM + "table2"));<a name="line.269"></a>
+<span class="sourceLineNo">270</span> tableDescTwo.addFamily(fam1);<a name="line.270"></a>
+<span class="sourceLineNo">271</span> ADMIN.createTable(tableDescOne);<a name="line.271"></a>
+<span class="sourceLineNo">272</span> ADMIN.createTable(tableDescTwo, Bytes.toBytes("AAA"), Bytes.toBytes("ZZZ"), 5);<a name="line.272"></a>
+<span class="sourceLineNo">273</span> stateInfo = getNamespaceState(nspDesc.getName());<a name="line.273"></a>
+<span class="sourceLineNo">274</span> assertNotNull("Namespace state found to be null.", stateInfo);<a name="line.274"></a>
+<span class="sourceLineNo">275</span> assertEquals(2, stateInfo.getTables().size());<a name="line.275"></a>
+<span class="sourceLineNo">276</span> assertEquals(5, stateInfo.getRegionCountOfTable(tableDescTwo.getTableName()));<a name="line.276"></a>
+<span class="sourceLineNo">277</span> assertEquals(6, stateInfo.getRegionCount());<a name="line.277"></a>
+<span class="sourceLineNo">278</span> ADMIN.disableTable(tableDescOne.getTableName());<a name="line.278"></a>
+<span class="sourceLineNo">279</span> deleteTable(tableDescOne.getTableName());<a name="line.279"></a>
+<span class="sourceLineNo">280</span> stateInfo = getNamespaceState(nspDesc.getName());<a name="line.280"></a>
+<span class="sourceLineNo">281</span> assertNotNull("Namespace state found to be null.", stateInfo);<a name="line.281"></a>
+<span class="sourceLineNo">282</span> assertEquals(5, stateInfo.getRegionCount());<a name="line.282"></a>
+<span class="sourceLineNo">283</span> assertEquals(1, stateInfo.getTables().size());<a name="line.283"></a>
+<span class="sourceLineNo">284</span> ADMIN.disableTable(tableDescTwo.getTableName());<a name="line.284"></a>
+<span class="sourceLineNo">285</span> deleteTable(tableDescTwo.getTableName());<a name="line.285"></a>
+<span class="sourceLineNo">286</span> ADMIN.deleteNamespace(namespace);<a name="line.286"></a>
+<span class="sourceLineNo">287</span> stateInfo = getNamespaceState(namespace);<a name="line.287"></a>
+<span class="sourceLineNo">288</span> assertNull("Namespace state not found to be null.", stateInfo);<a name="line.288"></a>
+<span class="sourceLineNo">289</span> }<a name="line.289"></a>
+<span class="sourceLineNo">290</span><a name="line.290"></a>
+<span class="sourceLineNo">291</span> public static class CPRegionServerObserver<a name="line.291"></a>
+<span class="sourceLineNo">292</span> implements RegionServerCoprocessor, RegionServerObserver {<a name="line.292"></a>
+<span class="sourceLineNo">293</span> private volatile boolean shouldFailMerge = false;<a name="line.293"></a>
+<span class="sourceLineNo">294</span><a name="line.294"></a>
+<span class="sourceLineNo">295</span> public void failMerge(boolean fail) {<a name="line.295"></a>
+<span class="sourceLineNo">296</span> shouldFailMerge = fail;<a name="line.296"></a>
+<span class="sourceLineNo">297</span> }<a name="line.297"></a>
+<span class="sourceLineNo">298</span><a name="line.298"></a>
+<span class="sourceLineNo">299</span> private boolean triggered = false;<a name="line.299"></a>
+<span class="sourceLineNo">300</span><a name="line.300"></a>
+<span class="sourceLineNo">301</span> public synchronized void waitUtilTriggered() throws InterruptedException {<a name="line.301"></a>
+<span class="sourceLineNo">302</span> while (!triggered) {<a name="line.302"></a>
+<span class="sourceLineNo">303</span> wait();<a name="line.303"></a>
+<span class="sourceLineNo">304</span> }<a name="line.304"></a>
+<span class="sourceLineNo">305</span> }<a name="line.305"></a>
+<span class="sourceLineNo">306</span><a name="line.306"></a>
+<span class="sourceLineNo">307</span> @Override<a name="line.307"></a>
+<span class="sourceLineNo">308</span> public Optional<RegionServerObserver> getRegionServerObserver() {<a name="line.308"></a>
+<span class="sourceLineNo">309</span> return Optional.of(this);<a name="line.309"></a>
+<span class="sourceLineNo">310</span> }<a name="line.310"></a>
+<span class="sourceLineNo">311</span> }<a name="line.311"></a>
<span class="sourceLineNo">312</span><a name="line.312"></a>
-<span class="sourceLineNo">313</span> public void failMerge(boolean fail) {<a name="line.313"></a>
-<span class="sourceLineNo">314</span> shouldFailMerge = fail;<a name="line.314"></a>
-<span class="sourceLineNo">315</span> }<a name="line.315"></a>
-<span class="sourceLineNo">316</span><a name="line.316"></a>
-<span class="sourceLineNo">317</span> @Override<a name="line.317"></a>
-<span class="sourceLineNo">318</span> public Optional<MasterObserver> getMasterObserver() {<a name="line.318"></a>
-<span class="sourceLineNo">319</span> return Optional.of(this);<a name="line.319"></a>
-<span class="sourceLineNo">320</span> }<a name="line.320"></a>
-<span class="sourceLineNo">321</span><a name="line.321"></a>
-<span class="sourceLineNo">322</span> @Override<a name="line.322"></a>
-<span class="sourceLineNo">323</span> public synchronized void preMergeRegionsAction(<a name="line.323"></a>
-<span class="sourceLineNo">324</span> final ObserverContext<MasterCoprocessorEnvironment> ctx,<a name="line.324"></a>
-<span class="sourceLineNo">325</span> final RegionInfo[] regionsToMerge) throws IOException {<a name="line.325"></a>
-<span class="sourceLineNo">326</span> notifyAll();<a name="line.326"></a>
-<span class="sourceLineNo">327</span> if (shouldFailMerge) {<a name="line.327"></a>
-<span class="sourceLineNo">328</span> throw new IOException("fail merge");<a name="line.328"></a>
-<span class="sourceLineNo">329</span> }<a name="line.329"></a>
-<span class="sourceLineNo">330</span> }<a name="line.330"></a>
-<span class="sourceLineNo">331</span> }<a name="line.331"></a>
-<span class="sourceLineNo">332</span><a name="line.332"></a>
-<span class="sourceLineNo">333</span> @Test<a name="line.333"></a>
-<span class="sourceLineNo">334</span> public void testRegionMerge() throws Exception {<a name="line.334"></a>
-<span class="sourceLineNo">335</span> String nsp1 = prefix + "_regiontest";<a name="line.335"></a>
-<span class="sourceLineNo">336</span> final int initialRegions = 3;<a name="line.336"></a>
-<span class="sourceLineNo">337</span> NamespaceDescriptor nspDesc =<a name="line.337"></a>
-<span class="sourceLineNo">338</span> NamespaceDescriptor.create(nsp1)<a name="line.338"></a>
-<span class="sourceLineNo">339</span> .addConfiguration(TableNamespaceManager.KEY_MAX_REGIONS, "" + initialRegions)<a name="line.339"></a>
-<span class="sourceLineNo">340</span> .addConfiguration(TableNamespaceManager.KEY_MAX_TABLES, "2").build();<a name="line.340"></a>
-<span class="sourceLineNo">341</span> ADMIN.createNamespace(nspDesc);<a name="line.341"></a>
-<span class="sourceLineNo">342</span> final TableName tableTwo = TableName.valueOf(nsp1 + TableName.NAMESPACE_DELIM + "table2");<a name="line.342"></a>
-<span class="sourceLineNo">343</span> byte[] columnFamily = Bytes.toBytes("info");<a name="line.343"></a>
-<span class="sourceLineNo">344</span> HTableDescriptor tableDescOne = new HTableDescriptor(tableTwo);<a name="line.344"></a>
-<span class="sourceLineNo">345</span> tableDescOne.addFamily(new HColumnDescriptor(columnFamily));<a name="line.345"></a>
-<span class="sourceLineNo">346</span> ADMIN.createTable(tableDescOne, Bytes.toBytes("0"), Bytes.toBytes("9"), initialRegions);<a name="line.346"></a>
-<span class="sourceLineNo">347</span> Connection connection = ConnectionFactory.createConnection(UTIL.getConfiguration());<a name="line.347"></a>
-<span class="sourceLineNo">348</span> try (Table table = connection.getTable(tableTwo)) {<a name="line.348"></a>
-<span class="sourceLineNo">349</span> UTIL.loadNumericRows(table, Bytes.toBytes("info"), 1000, 1999);<a name="line.349"></a>
-<span class="sourceLineNo">350</span> }<a name="line.350"></a>
-<span class="sourceLineNo">351</span> ADMIN.flush(tableTwo);<a name="line.351"></a>
-<span class="sourceLineNo">352</span> List<RegionInfo> hris = ADMIN.getRegions(tableTwo);<a name="line.352"></a>
-<span class="sourceLineNo">353</span> assertEquals(initialRegions, hris.size());<a name="line.353"></a>
-<span class="sourceLineNo">354</span> Collections.sort(hris, RegionInfo.COMPARATOR);<a name="line.354"></a>
-<span class="sourceLineNo">355</span> Future<?> f = ADMIN.mergeRegionsAsync(<a name="line.355"></a>
-<span class="sourceLineNo">356</span> hris.get(0).getEncodedNameAsBytes(),<a name="line.356"></a>
-<span class="sourceLineNo">357</span> hris.get(1).getEncodedNameAsBytes(),<a name="line.357"></a>
-<span class="sourceLineNo">358</span> false);<a name="line.358"></a>
-<span class="sourceLineNo">359</span> f.get(10, TimeUnit.SECONDS);<a name="line.359"></a>
-<span class="sourceLineNo">360</span><a name="line.360"></a>
-<span class="sourceLineNo">361</span> hris = ADMIN.getRegions(tableTwo);<a name="line.361"></a>
-<span class="sourceLineNo">362</span> assertEquals(initialRegions - 1, hris.size());<a name="line.362"></a>
-<span class="sourceLineNo">363</span> Collections.sort(hris, RegionInfo.COMPARATOR);<a name="line.363"></a>
-<span class="sourceLineNo">364</span> byte[] splitKey = Bytes.toBytes("3");<a name="line.364"></a>
-<span class="sourceLineNo">365</span> HRegion regionToSplit = UTIL.getMiniHBaseCluster().getRegions(tableTwo).stream()<a name="line.365"></a>
-<span class="sourceLineNo">366</span> .filter(r -> r.getRegionInfo().containsRow(splitKey)).findFirst().get();<a name="line.366"></a>
-<span class="sourceLineNo">367</span> regionToSplit.compact(true);<a name="line.367"></a>
-<span class="sourceLineNo">368</span> // the above compact may quit immediately if there is a compaction ongoing, so here we need to<a name="line.368"></a>
-<span class="sourceLineNo">369</span> // wait a while to let the ongoing compaction finish.<a name="line.369"></a>
-<span class="sourceLineNo">370</span> UTIL.waitFor(10000, regionToSplit::isSplittable);<a name="line.370"></a>
-<span class="sourceLineNo">371</span> ADMIN.splitRegionAsync(regionToSplit.getRegionInfo().getRegionName(), splitKey).get(10,<a name="line.371"></a>
-<span class="sourceLineNo">372</span> TimeUnit.SECONDS);<a name="line.372"></a>
-<span class="sourceLineNo">373</span> hris = ADMIN.getRegions(tableTwo);<a name="line.373"></a>
-<span class="sourceLineNo">374</span> assertEquals(initialRegions, hris.size());<a name="line.374"></a>
-<span class="sourceLineNo">375</span> Collections.sort(hris, RegionInfo.COMPARATOR);<a name="line.375"></a>
-<span class="sourceLineNo">376</span><a name="line.376"></a>
-<span class="sourceLineNo">377</span> // Fail region merge through Coprocessor hook<a name="line.377"></a>
-<span class="sourceLineNo">378</span> MiniHBaseCluster cluster = UTIL.getHBaseCluster();<a name="line.378"></a>
-<span class="sourceLineNo">379</span> MasterCoprocessorHost cpHost = cluster.getMaster().getMasterCoprocessorHost();<a name="line.379"></a>
-<span class="sourceLineNo">380</span> Coprocessor coprocessor = cpHost.findCoprocessor(CPMasterObserver.class);<a name="line.380"></a>
-<span class="sourceLineNo">381</span> CPMasterObserver masterObserver = (CPMasterObserver) coprocessor;<a name="line.381"></a>
-<span class="sourceLineNo">382</span> masterObserver.failMerge(true);<a name="line.382"></a>
-<span class="sourceLineNo">383</span><a name="line.383"></a>
-<span class="sourceLineNo">384</span> f = ADMIN.mergeRegionsAsync(<a name="line.384"></a>
-<span class="sourceLineNo">385</span> hris.get(1).getEncodedNameAsBytes(),<a name="line.385"></a>
-<span class="sourceLineNo">386</span> hris.get(2).getEncodedNameAsBytes(),<a name="line.386"></a>
-<span class="sourceLineNo">387</span> false);<a name="line.387"></a>
-<span class="sourceLineNo">388</span> try {<a name="line.388"></a>
-<span class="sourceLineNo">389</span> f.get(10, TimeUnit.SECONDS);<a name="line.389"></a>
-<span class="sourceLineNo">390</span> fail("Merge was supposed to fail!");<a name="line.390"></a>
-<span class="sourceLineNo">391</span> } catch (ExecutionException ee) {<a name="line.391"></a>
-<span class="sourceLineNo">392</span> // Expected.<a name="line.392"></a>
-<span class="sourceLineNo">393</span> }<a name="line.393"></a>
-<span class="sourceLineNo">394</span> hris = ADMIN.getRegions(tableTwo);<a name="line.394"></a>
-<span class="sourceLineNo">395</span> assertEquals(initialRegions, hris.size());<a name="line.395"></a>
-<span class="sourceLineNo">396</span> Collections.sort(hris, RegionInfo.COMPARATOR);<a name="line.396"></a>
-<span class="sourceLineNo">397</span> // verify that we cannot split<a name="line.397"></a>
-<span class="sourceLineNo">398</span> try {<a name="line.398"></a>
-<span class="sourceLineNo">399</span> ADMIN.split(tableTwo, Bytes.toBytes("6"));<a name="line.399"></a>
-<span class="sourceLineNo">400</span> fail();<a name="line.400"></a>
-<span class="sourceLineNo">401</span> } catch (DoNotRetryRegionException e) {<a name="line.401"></a>
-<span class="sourceLineNo">402</span> // Expected<a name="line.402"></a>
-<span class="sourceLineNo">403</span> }<a name="line.403"></a>
-<span class="sourceLineNo">404</span> Thread.sleep(2000);<a name="line.404"></a>
-<span class="sourceLineNo">405</span> assertEquals(initialRegions, ADMIN.getRegions(tableTwo).size());<a name="line.405"></a>
-<span class="sourceLineNo">406</span> }<a name="line.406"></a>
-<span class="sourceLineNo">407</span><a name="line.407"></a>
-<span class="sourceLineNo">408</span> /*<a name="line.408"></a>
-<span class="sourceLineNo">409</span> * Create a table and make sure that the table creation fails after adding this table entry into<a name="line.409"></a>
-<span class="sourceLineNo">410</span> * namespace quota cache. Now correct the failure and recreate the table with same name.<a name="line.410"></a>
-<span class="sourceLineNo">411</span> * HBASE-13394<a name="line.411"></a>
-<span class="sourceLineNo">412</span> */<a name="line.412"></a>
-<span class="sourceLineNo">413</span> @Test<a name="line.413"></a>
-<span class="sourceLineNo">414</span> public void testRecreateTableWithSameNameAfterFirstTimeFailure() throws Exception {<a name="line.414"></a>
-<span class="sourceLineNo">415</span> String nsp1 = prefix + "_testRecreateTable";<a name="line.415"></a>
-<span class="sourceLineNo">416</span> NamespaceDescriptor nspDesc =<a name="line.416"></a>
-<span class="sourceLineNo">417</span> NamespaceDescriptor.create(nsp1)<a name="line.417"></a>
-<span class="sourceLineNo">418</span> .addConfiguration(TableNamespaceManager.KEY_MAX_REGIONS, "20")<a name="line.418"></a>
-<span class="sourceLineNo">419</span> .addConfiguration(TableNamespaceManager.KEY_MAX_TABLES, "1").build();<a name="line.419"></a>
-<span class="sourceLineNo">420</span> ADMIN.createNamespace(nspDesc);<a name="line.420"></a>
-<span class="sourceLineNo">421</span> final TableName tableOne = TableName.valueOf(nsp1 + TableName.NAMESPACE_DELIM + "table1");<a name="line.421"></a>
-<span class="sourceLineNo">422</span> byte[] columnFamily = Bytes.toBytes("info");<a name="line.422"></a>
-<span class="sourceLineNo">423</span> HTableDescriptor tableDescOne = new HTableDescriptor(tableOne);<a name="line.423"></a>
-<span class="sourceLineNo">424</span> tableDescOne.addFamily(new HColumnDescriptor(columnFamily));<a name="line.424"></a>
-<span class="sourceLineNo">425</span> MasterSyncObserver.throwExceptionInPreCreateTableAction = true;<a name="line.425"></a>
-<span class="sourceLineNo">426</span> try {<a name="line.426"></a>
-<span class="sourceLineNo">427</span> try {<a name="line.427"></a>
-<span class="sourceLineNo">428</span> ADMIN.createTable(tableDescOne);<a name="line.428"></a>
-<span class="sourceLineNo">429</span> fail("Table " + tableOne.toString() + "creation should fail.");<a name="line.429"></a>
-<span class="sourceLineNo">430</span> } catch (Exception exp) {<a name="line.430"></a>
-<span class="sourceLineNo">431</span> LOG.error(exp.toString(), exp);<a name="line.431"></a>
-<span class="sourceLineNo">432</span> }<a name="line.432"></a>
-<span class="sourceLineNo">433</span> assertFalse(ADMIN.tableExists(tableOne));<a name="line.433"></a>
-<span class="sourceLineNo">434</span><a name="line.434"></a>
-<span class="sourceLineNo">435</span> NamespaceTableAndRegionInfo nstate = getNamespaceState(nsp1);<a name="line.435"></a>
-<span class="sourceLineNo">436</span> assertEquals("First table creation failed in namespace so number of tables in namespace "<a name="line.436"></a>
-<span class="sourceLineNo">437</span> + "should be 0.", 0, nstate.getTables().size());<a name="line.437"></a>
-<span class="sourceLineNo">438</span><a name="line.438"></a>
-<span class="sourceLineNo">439</span> MasterSyncObserver.throwExceptionInPreCreateTableAction = false;<a name="line.439"></a>
-<span class="sourceLineNo">440</span> try {<a name="line.440"></a>
-<span class="sourceLineNo">441</span> ADMIN.createTable(tableDescOne);<a name="line.441"></a>
-<span class="sourceLineNo">442</span> } catch (Exception e) {<a name="line.442"></a>
-<span class="sourceLineNo">443</span> fail("Table " + tableOne.toString() + "creation should succeed.");<a name="line.443"></a>
-<span class="sourceLineNo">444</span> LOG.error(e.toString(), e);<a name="line.444"></a>
-<span class="sourceLineNo">445</span> }<a name="line.445"></a>
-<span class="sourceLineNo">446</span> assertTrue(ADMIN.tableExists(tableOne));<a name="line.446"></a>
-<span class="sourceLineNo">447</span> nstate = getNamespaceState(nsp1);<a name="line.447"></a>
-<span class="sourceLineNo">448</span> assertEquals("First table was created successfully so table size in namespace should "<a name="line.448"></a>
-<span class="sourceLineNo">449</span> + "be one now.", 1, nstate.getTables().size());<a name="line.449"></a>
-<span class="sourceLineNo">450</span> } finally {<a name="line.450"></a>
-<span class="sourceLineNo">451</span> MasterSyncObserver.throwExceptionInPreCreateTableAction = false;<a name="line.451"></a>
-<span class="sourceLineNo">452</span> if (ADMIN.tableExists(tableOne)) {<a name="line.452"></a>
-<span class="sourceLineNo">453</span> ADMIN.disableTable(tableOne);<a name="line.453"></a>
-<span class="sourceLineNo">454</span> deleteTable(tableOne);<a name="line.454"></a>
-<span class="sourceLineNo">455</span> }<a name="line.455"></a>
-<span class="sourceLineNo">456</span> ADMIN.deleteNamespace(nsp1);<a name="line.456"></a>
-<span class="sourceLineNo">457</span> }<a name="line.457"></a>
-<span class="sourceLineNo">458</span> }<a name="line.458"></a>
-<span class="sourceLineNo">459</span><a name="line.459"></a>
-<span class="sourceLineNo">460</span> private NamespaceTableAndRegionInfo getNamespaceState(String namespace) throws KeeperException,<a name="line.460"></a>
-<span class="sourceLineNo">461</span> IOException {<a name="line.461"></a>
-<span class="sourceLineNo">462</span> return getQuotaManager().getState(namespace);<a name="line.462"></a>
-<span class="sourceLineNo">463</span> }<a name="line.463"></a>
-<span class="sourceLineNo">464</span><a name="line.464"></a>
-<span class="sourceLineNo">465</span> byte[] getSplitKey(byte[] startKey, byte[] endKey) {<a name="line.465"></a>
-<span class="sourceLineNo">466</span> String skey = Bytes.toString(startKey);<a name="line.466"></a>
-<span class="sourceLineNo">467</span> int key;<a name="line.467"></a>
-<span class="sourceLineNo">468</span> if (StringUtils.isBlank(skey)) {<a name="line.468"></a>
-<span class="sourceLineNo">469</span> key = Integer.parseInt(Bytes.toString(endKey))/2 ;<a name="line.469"></a>
-<span class="sourceLineNo">470</span> } else {<a name="line.470"></a>
-<span class="sourceLineNo">471</span> key = (int) (Integer.parseInt(skey) * 1.5);<a name="line.471"></a>
-<span class="sourceLineNo">472</span> }<a name="line.472"></a>
-<span class="sourceLineNo">473</span> return Bytes.toBytes("" + key);<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> public static class CustomObserver implements RegionCoprocessor, RegionObserver {<a name="line.476"></a>
-<span class="sourceLineNo">477</span> volatile CountDownLatch postCompact;<a name="line.477"></a>
-<span class="sourceLineNo">478</span><a name="line.478"></a>
-<span class="sourceLineNo">479</span> @Override<a name="line.479"></a>
-<span class="sourceLineNo">480</span> public void postCompact(ObserverContext<RegionCoprocessorEnvironment> e, Store store,<a name="line.480"></a>
-<span class="sourceLineNo">481</span> StoreFile resultFile, CompactionLifeCycleTracker tracker, CompactionRequest request)<a name="line.481"></a>
-<span class="sourceLineNo">482</span> throws IOException {<a name="line.482"></a>
-<span class="sourceLineNo">483</span> postCompact.countDown();<a name="line.483"></a>
-<span class="sourceLineNo">484</span> }<a name="line.484"></a>
-<span class="sourceLineNo">485</span><a name="line.485"></a>
-<span class="sourceLineNo">486</span> @Override<a name="line.486"></a>
-<span class="sourceLineNo">487</span> public void start(CoprocessorEnvironment e) throws IOException {<a name="line.487"></a>
-<span class="sourceLineNo">488</span> postCompact = new CountDownLatch(1);<a name="line.488"></a>
-<span class="sourceLineNo">489</span> }<a name="line.489"></a>
-<span class="sourceLineNo">490</span><a name="line.490"></a>
-<span class="sourceLineNo">491</span> @Override<a name="line.491"></a>
-<span class="sourceLineNo">492</span> public Optional<RegionObserver> getRegionObserver() {<a name="line.492"></a>
-<span class="sourceLineNo">493</span> return Optional.of(this);<a name="line.493"></a>
-<span class="sourceLineNo">494</span> }<a name="line.494"></a>
-<span class="sourceLineNo">495</span> }<a name="line.495"></a>
-<span class="sourceLineNo">496</span><a name="line.496"></a>
-<span class="sourceLineNo">497</span> @Test<a name="line.497"></a>
-<span class="sourceLineNo">498</span> public void testStatePreserve() throws Exception {<a name="line.498"></a>
-<span class="sourceLineNo">499</span> final String nsp1 = prefix + "_testStatePreserve";<a name="line.499"></a>
-<span class="sourceLineNo">500</span> NamespaceDescriptor nspDesc = NamespaceDescriptor.create(nsp1)<a name="line.500"></a>
-<span class="sourceLineNo">501</span> .addConfiguration(TableNamespaceManager.KEY_MAX_REGIONS, "20")<a name="line.501"></a>
-<span class="sourceLineNo">502</span> .addConfiguration(TableNamespaceManager.KEY_MAX_TABLES, "10").build();<a name="line.502"></a>
-<span class="sourceLineNo">503</span> ADMIN.createNamespace(nspDesc);<a name="line.503"></a>
-<span class="sourceLineNo">504</span> TableName tableOne = TableName.valueOf(nsp1 + TableName.NAMESPACE_DELIM + "table1");<a name="line.504"></a>
-<span class="sourceLineNo">505</span> TableName tableTwo = TableName.valueOf(nsp1 + TableName.NAMESPACE_DELIM + "table2");<a name="line.505"></a>
-<span class="sourceLineNo">506</span> TableName tableThree = TableName.valueOf(nsp1 + TableName.NAMESPACE_DELIM + "table3");<a name="line.506"></a>
-<span class="sourceLineNo">507</span> HColumnDescriptor fam1 = new HColumnDescriptor("fam1");<a name="line.507"></a>
-<span class="sourceLineNo">508</span> HTableDescriptor tableDescOne = new HTableDescriptor(tableOne);<a name="line.508"></a>
-<span class="sourceLineNo">509</span> tableDescOne.addFamily(fam1);<a name="line.509"></a>
-<span class="sourceLineNo">510</span> HTableDescriptor tableDescTwo = new HTableDescriptor(tableTwo);<a name="line.510"></a>
-<span class="sourceLineNo">511</span> tableDescTwo.addFamily(fam1);<a name="line.511"></a>
-<span class="sourceLineNo">512</span> HTableDescriptor tableDescThree = new HTableDescriptor(tableThree);<a name="line.512"></a>
-<span class="sourceLineNo">513</span> tableDescThree.addFamily(fam1);<a name="line.513"></a>
-<span class="sourceLineNo">514</span> ADMIN.createTable(tableDescOne, Bytes.toBytes("1"), Bytes.toBytes("1000"), 3);<a name="line.514"></a>
-<span class="sourceLineNo">515</span> ADMIN.createTable(tableDescTwo, Bytes.toBytes("1"), Bytes.toBytes("1000"), 3);<a name="line.515"></a>
-<span class="sourceLineNo">516</span> ADMIN.createTable(tableDescThree, Bytes.toBytes("1"), Bytes.toBytes("1000"), 4);<a name="line.516"></a>
-<span class="sourceLineNo">517</span> ADMIN.disableTable(tableThree);<a name="line.517"></a>
-<span class="sourceLineNo">518</span> deleteTable(tableThree);<a name="line.518"></a>
-<span class="sourceLineNo">519</span> // wait for chore to complete<a name="line.519"></a>
-<span class="sourceLineNo">520</span> UTIL.waitFor(1000, new Waiter.Predicate<Exception>() {<a name="line.520"></a>
-<span class="sourceLineNo">521</span> @Override<a name="line.521"></a>
-<span class="sourceLineNo">522</span> public boolean evaluate() throws Exception {<a name="line.522"></a>
-<span class="sourceLineNo">523</span> return (getNamespaceState(nsp1).getTables().size() == 2);<a name="line.523"></a>
-<span class="sourceLineNo">524</span> }<a name="line.524"></a>
-<span class="sourceLineNo">525</span> });<a name="line.525"></a>
-<span class="sourceLineNo">526</span> NamespaceTableAndRegionInfo before = getNamespaceState(nsp1);<a name="line.526"></a>
-<span class="sourceLineNo">527</span> restartMaster();<a name="line.527"></a>
-<span class="sourceLineNo">528</span> NamespaceTableAndRegionInfo after = getNamespaceState(nsp1);<a name="line.528"></a>
-<span class="sourceLineNo">529</span> assertEquals("Expected: " + before.getTables() + " Found: " + after.getTables(), before<a name="line.529"></a>
-<span class="sourceLineNo">530</span> .getTables().size(), after.getTables().size());<a name="line.530"></a>
-<span class="sourceLineNo">531</span> }<a name="line.531"></a>
-<span class="sourceLineNo">532</span><a name="line.532"></a>
-<span class="sourceLineNo">533</span> public static void waitForQuotaInitialize(final HBaseTestingUtility util) throws Exception {<a name="line.533"></a>
-<span class="sourceLineNo">534</span> util.waitFor(60000, new Waiter.Predicate<Exception>() {<a name="line.534"></a>
-<span class="sourceLineNo">535</span> @Override<a name="line.535"></a>
-<span class="sourceLineNo">536</span> public boolean evaluate() throws Exception {<a name="line.536"></a>
-<span class="sourceLineNo">537</span> HMaster master = util.getHBaseCluster().getMaster();<a name="line.537"></a>
-<span class="sourceLineNo">538</span> if (master == null) {<a name="line.538"></a>
-<span class="sourceLineNo">539</span> return false;<a name="line.539"></a>
-<span class="sourceLineNo">540</span> }<a name="line.540"></a>
-<span class="sourceLineNo">541</span> MasterQuotaManager quotaManager = master.getMasterQuotaManager();<a name="line.541"></a>
-<span class="sourceLineNo">542</span> return quotaManager != null && quotaManager.isQuotaInitialized();<a name="line.542"></a>
-<span class="sourceLineNo">543</span> }<a name="line.543"></a>
-<span class="sourceLineNo">544</span> });<a name="line.544"></a>
-<span class="sourceLineNo">545</span> }<a name="line.545"></a>
-<span class="sourceLineNo">546</span><a name="line.546"></a>
-<span class="sourceLineNo">547</span> private void restartMaster() throws Exception {<a name="line.547"></a>
-<span class="sourceLineNo">548</span> UTIL.getHBaseCluster().getMaster(0).stop("Stopping to start again");<a name="line.548"></a>
-<span class="sourceLineNo">549</span> UTIL.getHBaseCluster().waitOnMaster(0);<a name="line.549"></a>
-<span class="sourceLineNo">550</span> UTIL.getHBaseCluster().startMaster();<a name="line.550"></a>
-<span class="sourceLineNo">551</span> waitForQuotaInitialize(UTIL);<a name="line.551"></a>
-<span class="sourceLineNo">552</span> }<a name="line.552"></a>
-<span class="sourceLineNo">553</span><a name="line.553"></a>
-<span class="sourceLineNo">554</span> private NamespaceAuditor getQuotaManager() {<a name="line.554"></a>
-<span class="sourceLineNo">555</span> return UTIL.getHBaseCluster().getMaster()<a name="line.555"></a>
-<span class="sourceLineNo">556</span> .getMasterQuotaManager().getNamespaceQuotaManager();<a name="line.556"></a>
-<span class="sourceLineNo">557</span> }<a name="line.557"></a>
-<span class="sourceLineNo">558</span><a name="line.558"></a>
-<span class="sourceLineNo">559</span> public static class MasterSyncObserver implements MasterCoprocessor, MasterObserver {<a name="line.559"></a>
-<span class="sourceLineNo">560</span> volatile CountDownLatch tableDeletionLatch;<a name="line.560"></a>
-<span class="sourceLineNo">561</span> static boolean throwExceptionInPreCreateTableAction;<a name="line.561"></a>
-<span class="sourceLineNo">562</span><a name="line.562"></a>
-<span class="sourceLineNo">563</span> @Override<a name="line.563"></a>
-<span class="sourceLineNo">564</span> public Optional<MasterObserver> getMasterObserver() {<a name="line.564"></a>
-<span class="sourceLineNo">565</span> return Optional.of(this);<a name="line.565"></a>
-<span class="sourceLineNo">566</span> }<a name="line.566"></a>
-<span class="sourceLineNo">567</span><a name="line.567"></a>
-<span class="sourceLineNo">568</span> @Override<a name="line.568"></a>
-<span class="sourceLineNo">569</span> public void preDeleteTable(ObserverContext<MasterCoprocessorEnvironment> ctx,<a name="line.569"></a>
-<span class="sourceLineNo">570</span> TableName tableName) throws IOException {<a name="line.570"></a>
-<span class="sourceLineNo">571</span> tableDeletionLatch = new CountDownLatch(1);<a name="line.571"></a>
-<span class="sourceLineNo">572</span> }<a name="line.572"></a>
+<span class="sourceLineNo">313</span> public static class CPMasterObserver implements MasterCoprocessor, MasterObserver {<a name="line.313"></a>
+<span class="sourceLineNo">314</span> private volatile boolean shouldFailMerge = false;<a name="line.314"></a>
+<span class="sourceLineNo">315</span><a name="line.315"></a>
+<span class="sourceLineNo">316</span> public void failMerge(boolean fail) {<a name="line.316"></a>
+<span class="sourceLineNo">317</span> shouldFailMerge = fail;<a name="line.317"></a>
+<span class="sourceLineNo">318</span> }<a name="line.318"></a>
+<span class="sourceLineNo">319</span><a name="line.319"></a>
+<span class="sourceLineNo">320</span> @Override<a name="line.320"></a>
+<span class="sourceLineNo">321</span> public Optional<MasterObserver> getMasterObserver() {<a name="line.321"></a>
+<span class="sourceLineNo">322</span> return Optional.of(this);<a name="line.322"></a>
+<span class="sourceLineNo">323</span> }<a name="line.323"></a>
+<span class="sourceLineNo">324</span><a name="line.324"></a>
+<span class="sourceLineNo">325</span> @Override<a name="line.325"></a>
+<span class="sourceLineNo">326</span> public synchronized void preMergeRegionsAction(<a name="line.326"></a>
+<span class="sourceLineNo">327</span> final ObserverContext<MasterCoprocessorEnvironment> ctx,<a name="line.327"></a>
+<span class="sourceLineNo">328</span> final RegionInfo[] regionsToMerge) throws IOException {<a name="line.328"></a>
+<span class="sourceLineNo">329</span> notifyAll();<a name="line.329"></a>
+<span class="sourceLineNo">330</span> if (shouldFailMerge) {<a name="line.330"></a>
+<span class="sourceLineNo">331</span> throw new IOException("fail merge");<a name="line.331"></a>
+<span class="sourceLineNo">332</span> }<a name="line.332"></a>
+<span class="sourceLineNo">333</span> }<a name="line.333"></a>
+<span class="sourceLineNo">334</span> }<a name="line.334"></a>
+<span class="sourceLineNo">335</span><a name="line.335"></a>
+<span class="sourceLineNo">336</span> @Test<a name="line.336"></a>
+<span class="sourceLineNo">337</span> public void testRegionMerge() throws Exception {<a name="line.337"></a>
+<span class="sourceLineNo">338</span> String nsp1 = prefix + "_regiontest";<a name="line.338"></a>
+<span class="sourceLineNo">339</span> final int initialRegions = 3;<a name="line.339"></a>
+<span class="sourceLineNo">340</span> NamespaceDescriptor nspDesc =<a name="line.340"></a>
+<span class="sourceLineNo">341</span> NamespaceDescriptor.create(nsp1)<a name="line.341"></a>
+<span class="sourceLineNo">342</span> .addConfiguration(TableNamespaceManager.KEY_MAX_REGIONS, "" + initialRegions)<a name="line.342"></a>
+<span class="sourceLineNo">343</span> .addConfiguration(TableNamespaceManager.KEY_MAX_TABLES, "2").build();<a name="line.343"></a>
+<span class="sourceLineNo">344</span> ADMIN.createNamespace(nspDesc);<a name="line.344"></a>
+<span class="sourceLineNo">345</span> final TableName tableTwo = TableName.valueOf(nsp1 + TableName.NAMESPACE_DELIM + "table2");<a name="line.345"></a>
+<span class="sourceLineNo">346</span> byte[] columnFamily = Bytes.toBytes("info");<a name="line.346"></a>
+<span class="sourceLineNo">347</span> HTableDescriptor tableDescOne = new HTableDescriptor(tableTwo);<a name="line.347"></a>
+<span class="sourceLineNo">348</span> tableDescOne.addFamily(new HColumnDescriptor(columnFamily));<a name="line.348"></a>
+<span class="sourceLineNo">349</span> ADMIN.createTable(tableDescOne, Bytes.toBytes("0"), Bytes.toBytes("9"), initialRegions);<a name="line.349"></a>
+<span class="sourceLineNo">350</span> Connection connection = ConnectionFactory.createConnection(UTIL.getConfiguration());<a name="line.350"></a>
+<span class="sourceLineNo">351</span> try (Table table = connection.getTable(tableTwo)) {<a name="line.351"></a>
+<span class="sourceLineNo">352</span> UTIL.loadNumericRows(table, Bytes.toBytes("info"), 1000, 1999);<a name="line.352"></a>
+<span class="sourceLineNo">353</span> }<a name="line.353"></a>
+<span class="sourceLineNo">354</span> ADMIN.flush(tableTwo);<a name="line.354"></a>
+<span class="sourceLineNo">355</span> List<RegionInfo> hris = ADMIN.getRegions(tableTwo);<a name="line.355"></a>
+<span class="sourceLineNo">356</span> assertEquals(initialRegions, hris.size());<a name="line.356"></a>
+<span class="sourceLineNo">357</span> Collections.sort(hris, RegionInfo.COMPARATOR);<a name="line.357"></a>
+<span class="sourceLineNo">358</span> Future<?> f = ADMIN.mergeRegionsAsync(<a name="line.358"></a>
+<span class="sourceLineNo">359</span> hris.get(0).getEncodedNameAsBytes(),<a name="line.359"></a>
+<span class="sourceLineNo">360</span> hris.get(1).getEncodedNameAsBytes(),<a name="line.360"></a>
+<span class="sourceLineNo">361</span> false);<a name="line.361"></a>
+<span class="sourceLineNo">362</span> f.get(10, TimeUnit.SECONDS);<a name="line.362"></a>
+<span class="sourceLineNo">363</span><a name="line.363"></a>
+<span class="sourceLineNo">364</span> hris = ADMIN.getRegions(tableTwo);<a name="line.364"></a>
+<span class="sourceLineNo">365</span> assertEquals(initialRegions - 1, hris.size());<a name="line.365"></a>
+<span class="sourceLineNo">366</span> Collections.sort(hris, RegionInfo.COMPARATOR);<a name="line.366"></a>
+<span class="sourceLineNo">367</span> byte[] splitKey = Bytes.toBytes("3");<a name="line.367"></a>
+<span class="sourceLineNo">368</span> HRegion regionToSplit = UTIL.getMiniHBaseCluster().getRegions(tableTwo).stream()<a name="line.368"></a>
+<span class="sourceLineNo">369</span> .filter(r -> r.getRegionInfo().containsRow(splitKey)).findFirst().get();<a name="line.369"></a>
+<span class="sourceLineNo">370</span> regionToSplit.compact(true);<a name="line.370"></a>
+<span class="sourceLineNo">371</span> // Waiting for compaction to finish<a name="line.371"></a>
+<span class="sourceLineNo">372</span> UTIL.waitFor(30000, new Waiter.Predicate<Exception>() {<a name="line.372"></a>
+<span class="sourceLineNo">373</span> @Override<a name="line.373"></a>
+<span class="sourceLineNo">374</span> public boolean evaluate() throws Exception {<a name="line.374"></a>
+<span class="sourceLineNo">375</span> return (CompactionState.NONE == ADMIN<a name="line.375"></a>
+<span class="sourceLineNo">376</span> .getCompactionStateForRegion(regionToSplit.getRegionInfo().getRegionName()));<a name="line.376"></a>
+<span class="sourceLineNo">377</span> }<a name="line.377"></a>
+<span class="sourceLineNo">378</span> });<a name="line.378"></a>
+<span class="sourceLineNo">379</span><a name="line.379"></a>
+<span class="sourceLineNo">380</span> // Cleaning compacted references for split to proceed<a name="line.380"></a>
+<span class="sourceLineNo">381</span> regionToSplit.getStores().stream().forEach(s -> {<a name="line.381"></a>
+<span class="sourceLineNo">382</span> try {<a name="line.382"></a>
+<span class="sourceLineNo">383</span> s.closeAndArchiveCompactedFiles();<a name="line.383"></a>
+<span class="sourceLineNo">384</span> } catch (IOException e1) {<a name="line.384"></a>
+<span class="sourceLineNo">385</span> LOG.error("Error whiling cleaning compacted file");<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> // the above compact may quit immediately if there is a compaction ongoing, so here we need to<a name="line.388"></a>
+<span class="sourceLineNo">389</span> // wait a while to let the ongoing compaction finish.<a name="line.389"></a>
+<span class="sourceLineNo">390</span>
<TRUNCATED>