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Posted to commits@hbase.apache.org by gi...@apache.org on 2018/01/18 15:31:07 UTC
[08/27] hbase-site git commit: Published site at .
http://git-wip-us.apache.org/repos/asf/hbase-site/blob/cc91ad79/testdevapidocs/src-html/org/apache/hadoop/hbase/MiniHBaseCluster.html
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diff --git a/testdevapidocs/src-html/org/apache/hadoop/hbase/MiniHBaseCluster.html b/testdevapidocs/src-html/org/apache/hadoop/hbase/MiniHBaseCluster.html
index d1d04e9..1636aa6 100644
--- a/testdevapidocs/src-html/org/apache/hadoop/hbase/MiniHBaseCluster.html
+++ b/testdevapidocs/src-html/org/apache/hadoop/hbase/MiniHBaseCluster.html
@@ -36,365 +36,365 @@
<span class="sourceLineNo">028</span>import org.apache.hadoop.fs.FileSystem;<a name="line.28"></a>
<span class="sourceLineNo">029</span>import org.apache.hadoop.hbase.master.HMaster;<a name="line.29"></a>
<span class="sourceLineNo">030</span>import org.apache.hadoop.hbase.regionserver.HRegion;<a name="line.30"></a>
-<span class="sourceLineNo">031</span>import org.apache.hadoop.hbase.regionserver.HRegionServer;<a name="line.31"></a>
-<span class="sourceLineNo">032</span>import org.apache.hadoop.hbase.regionserver.Region;<a name="line.32"></a>
-<span class="sourceLineNo">033</span>import org.apache.hadoop.hbase.security.User;<a name="line.33"></a>
-<span class="sourceLineNo">034</span>import org.apache.hadoop.hbase.test.MetricsAssertHelper;<a name="line.34"></a>
-<span class="sourceLineNo">035</span>import org.apache.hadoop.hbase.util.JVMClusterUtil;<a name="line.35"></a>
-<span class="sourceLineNo">036</span>import org.apache.hadoop.hbase.util.JVMClusterUtil.MasterThread;<a name="line.36"></a>
-<span class="sourceLineNo">037</span>import org.apache.hadoop.hbase.util.JVMClusterUtil.RegionServerThread;<a name="line.37"></a>
-<span class="sourceLineNo">038</span>import org.apache.hadoop.hbase.util.Threads;<a name="line.38"></a>
-<span class="sourceLineNo">039</span>import org.apache.yetus.audience.InterfaceAudience;<a name="line.39"></a>
-<span class="sourceLineNo">040</span>import org.slf4j.Logger;<a name="line.40"></a>
-<span class="sourceLineNo">041</span>import org.slf4j.LoggerFactory;<a name="line.41"></a>
-<span class="sourceLineNo">042</span><a name="line.42"></a>
-<span class="sourceLineNo">043</span>import org.apache.hadoop.hbase.shaded.protobuf.generated.AdminProtos.AdminService;<a name="line.43"></a>
-<span class="sourceLineNo">044</span>import org.apache.hadoop.hbase.shaded.protobuf.generated.ClientProtos.ClientService;<a name="line.44"></a>
-<span class="sourceLineNo">045</span>import org.apache.hadoop.hbase.shaded.protobuf.generated.MasterProtos.MasterService;<a name="line.45"></a>
-<span class="sourceLineNo">046</span>import org.apache.hadoop.hbase.shaded.protobuf.generated.RegionServerStatusProtos.RegionServerStartupResponse;<a name="line.46"></a>
-<span class="sourceLineNo">047</span><a name="line.47"></a>
-<span class="sourceLineNo">048</span>/**<a name="line.48"></a>
-<span class="sourceLineNo">049</span> * This class creates a single process HBase cluster.<a name="line.49"></a>
-<span class="sourceLineNo">050</span> * each server. The master uses the 'default' FileSystem. The RegionServers,<a name="line.50"></a>
-<span class="sourceLineNo">051</span> * if we are running on DistributedFilesystem, create a FileSystem instance<a name="line.51"></a>
-<span class="sourceLineNo">052</span> * each and will close down their instance on the way out.<a name="line.52"></a>
-<span class="sourceLineNo">053</span> */<a name="line.53"></a>
-<span class="sourceLineNo">054</span>@InterfaceAudience.Public<a name="line.54"></a>
-<span class="sourceLineNo">055</span>public class MiniHBaseCluster extends HBaseCluster {<a name="line.55"></a>
-<span class="sourceLineNo">056</span> private static final Logger LOG = LoggerFactory.getLogger(MiniHBaseCluster.class.getName());<a name="line.56"></a>
-<span class="sourceLineNo">057</span> public LocalHBaseCluster hbaseCluster;<a name="line.57"></a>
-<span class="sourceLineNo">058</span> private static int index;<a name="line.58"></a>
-<span class="sourceLineNo">059</span><a name="line.59"></a>
-<span class="sourceLineNo">060</span> /**<a name="line.60"></a>
-<span class="sourceLineNo">061</span> * Start a MiniHBaseCluster.<a name="line.61"></a>
-<span class="sourceLineNo">062</span> * @param conf Configuration to be used for cluster<a name="line.62"></a>
-<span class="sourceLineNo">063</span> * @param numRegionServers initial number of region servers to start.<a name="line.63"></a>
-<span class="sourceLineNo">064</span> * @throws IOException<a name="line.64"></a>
-<span class="sourceLineNo">065</span> */<a name="line.65"></a>
-<span class="sourceLineNo">066</span> public MiniHBaseCluster(Configuration conf, int numRegionServers)<a name="line.66"></a>
-<span class="sourceLineNo">067</span> throws IOException, InterruptedException {<a name="line.67"></a>
-<span class="sourceLineNo">068</span> this(conf, 1, numRegionServers);<a name="line.68"></a>
-<span class="sourceLineNo">069</span> }<a name="line.69"></a>
-<span class="sourceLineNo">070</span><a name="line.70"></a>
-<span class="sourceLineNo">071</span> /**<a name="line.71"></a>
-<span class="sourceLineNo">072</span> * Start a MiniHBaseCluster.<a name="line.72"></a>
-<span class="sourceLineNo">073</span> * @param conf Configuration to be used for cluster<a name="line.73"></a>
-<span class="sourceLineNo">074</span> * @param numMasters initial number of masters to start.<a name="line.74"></a>
-<span class="sourceLineNo">075</span> * @param numRegionServers initial number of region servers to start.<a name="line.75"></a>
-<span class="sourceLineNo">076</span> * @throws IOException<a name="line.76"></a>
-<span class="sourceLineNo">077</span> */<a name="line.77"></a>
-<span class="sourceLineNo">078</span> public MiniHBaseCluster(Configuration conf, int numMasters, int numRegionServers)<a name="line.78"></a>
-<span class="sourceLineNo">079</span> throws IOException, InterruptedException {<a name="line.79"></a>
-<span class="sourceLineNo">080</span> this(conf, numMasters, numRegionServers, null, null, null);<a name="line.80"></a>
-<span class="sourceLineNo">081</span> }<a name="line.81"></a>
-<span class="sourceLineNo">082</span><a name="line.82"></a>
-<span class="sourceLineNo">083</span> /**<a name="line.83"></a>
-<span class="sourceLineNo">084</span> * @param rsPorts Ports that RegionServer should use; pass ports if you want to test cluster<a name="line.84"></a>
-<span class="sourceLineNo">085</span> * restart where for sure the regionservers come up on same address+port (but<a name="line.85"></a>
-<span class="sourceLineNo">086</span> * just with different startcode); by default mini hbase clusters choose new<a name="line.86"></a>
-<span class="sourceLineNo">087</span> * arbitrary ports on each cluster start.<a name="line.87"></a>
-<span class="sourceLineNo">088</span> * @throws IOException<a name="line.88"></a>
-<span class="sourceLineNo">089</span> * @throws InterruptedException<a name="line.89"></a>
-<span class="sourceLineNo">090</span> */<a name="line.90"></a>
-<span class="sourceLineNo">091</span> public MiniHBaseCluster(Configuration conf, int numMasters, int numRegionServers,<a name="line.91"></a>
-<span class="sourceLineNo">092</span> List<Integer> rsPorts,<a name="line.92"></a>
-<span class="sourceLineNo">093</span> Class<? extends HMaster> masterClass,<a name="line.93"></a>
-<span class="sourceLineNo">094</span> Class<? extends MiniHBaseCluster.MiniHBaseClusterRegionServer> regionserverClass)<a name="line.94"></a>
-<span class="sourceLineNo">095</span> throws IOException, InterruptedException {<a name="line.95"></a>
-<span class="sourceLineNo">096</span> super(conf);<a name="line.96"></a>
-<span class="sourceLineNo">097</span> conf.set(HConstants.MASTER_PORT, "0");<a name="line.97"></a>
-<span class="sourceLineNo">098</span> if (conf.getInt(HConstants.MASTER_INFO_PORT, 0) != -1) {<a name="line.98"></a>
-<span class="sourceLineNo">099</span> conf.set(HConstants.MASTER_INFO_PORT, "0");<a name="line.99"></a>
-<span class="sourceLineNo">100</span> }<a name="line.100"></a>
-<span class="sourceLineNo">101</span><a name="line.101"></a>
-<span class="sourceLineNo">102</span> // Hadoop 2<a name="line.102"></a>
-<span class="sourceLineNo">103</span> CompatibilityFactory.getInstance(MetricsAssertHelper.class).init();<a name="line.103"></a>
-<span class="sourceLineNo">104</span><a name="line.104"></a>
-<span class="sourceLineNo">105</span> init(numMasters, numRegionServers, rsPorts, masterClass, regionserverClass);<a name="line.105"></a>
-<span class="sourceLineNo">106</span> this.initialClusterStatus = getClusterStatus();<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> public Configuration getConfiguration() {<a name="line.109"></a>
-<span class="sourceLineNo">110</span> return this.conf;<a name="line.110"></a>
-<span class="sourceLineNo">111</span> }<a name="line.111"></a>
-<span class="sourceLineNo">112</span><a name="line.112"></a>
-<span class="sourceLineNo">113</span> /**<a name="line.113"></a>
-<span class="sourceLineNo">114</span> * Subclass so can get at protected methods (none at moment). Also, creates<a name="line.114"></a>
-<span class="sourceLineNo">115</span> * a FileSystem instance per instantiation. Adds a shutdown own FileSystem<a name="line.115"></a>
-<span class="sourceLineNo">116</span> * on the way out. Shuts down own Filesystem only, not All filesystems as<a name="line.116"></a>
-<span class="sourceLineNo">117</span> * the FileSystem system exit hook does.<a name="line.117"></a>
-<span class="sourceLineNo">118</span> */<a name="line.118"></a>
-<span class="sourceLineNo">119</span> public static class MiniHBaseClusterRegionServer extends HRegionServer {<a name="line.119"></a>
-<span class="sourceLineNo">120</span> private Thread shutdownThread = null;<a name="line.120"></a>
-<span class="sourceLineNo">121</span> private User user = null;<a name="line.121"></a>
-<span class="sourceLineNo">122</span> /**<a name="line.122"></a>
-<span class="sourceLineNo">123</span> * List of RegionServers killed so far. ServerName also comprises startCode of a server,<a name="line.123"></a>
-<span class="sourceLineNo">124</span> * so any restarted instances of the same server will have different ServerName and will not<a name="line.124"></a>
-<span class="sourceLineNo">125</span> * coincide with past dead ones. So there's no need to cleanup this list.<a name="line.125"></a>
-<span class="sourceLineNo">126</span> */<a name="line.126"></a>
-<span class="sourceLineNo">127</span> static Set<ServerName> killedServers = new HashSet<>();<a name="line.127"></a>
-<span class="sourceLineNo">128</span><a name="line.128"></a>
-<span class="sourceLineNo">129</span> public MiniHBaseClusterRegionServer(Configuration conf)<a name="line.129"></a>
-<span class="sourceLineNo">130</span> throws IOException, InterruptedException {<a name="line.130"></a>
-<span class="sourceLineNo">131</span> super(conf);<a name="line.131"></a>
-<span class="sourceLineNo">132</span> this.user = User.getCurrent();<a name="line.132"></a>
-<span class="sourceLineNo">133</span> }<a name="line.133"></a>
-<span class="sourceLineNo">134</span><a name="line.134"></a>
-<span class="sourceLineNo">135</span> /*<a name="line.135"></a>
-<span class="sourceLineNo">136</span> * @param c<a name="line.136"></a>
-<span class="sourceLineNo">137</span> * @param currentfs We return this if we did not make a new one.<a name="line.137"></a>
-<span class="sourceLineNo">138</span> * @param uniqueName Same name used to help identify the created fs.<a name="line.138"></a>
-<span class="sourceLineNo">139</span> * @return A new fs instance if we are up on DistributeFileSystem.<a name="line.139"></a>
-<span class="sourceLineNo">140</span> * @throws IOException<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> @Override<a name="line.143"></a>
-<span class="sourceLineNo">144</span> protected void handleReportForDutyResponse(<a name="line.144"></a>
-<span class="sourceLineNo">145</span> final RegionServerStartupResponse c) throws IOException {<a name="line.145"></a>
-<span class="sourceLineNo">146</span> super.handleReportForDutyResponse(c);<a name="line.146"></a>
-<span class="sourceLineNo">147</span> // Run this thread to shutdown our filesystem on way out.<a name="line.147"></a>
-<span class="sourceLineNo">148</span> this.shutdownThread = new SingleFileSystemShutdownThread(getFileSystem());<a name="line.148"></a>
-<span class="sourceLineNo">149</span> }<a name="line.149"></a>
-<span class="sourceLineNo">150</span><a name="line.150"></a>
-<span class="sourceLineNo">151</span> @Override<a name="line.151"></a>
-<span class="sourceLineNo">152</span> public void run() {<a name="line.152"></a>
-<span class="sourceLineNo">153</span> try {<a name="line.153"></a>
-<span class="sourceLineNo">154</span> this.user.runAs(new PrivilegedAction<Object>(){<a name="line.154"></a>
-<span class="sourceLineNo">155</span> public Object run() {<a name="line.155"></a>
-<span class="sourceLineNo">156</span> runRegionServer();<a name="line.156"></a>
-<span class="sourceLineNo">157</span> return null;<a name="line.157"></a>
-<span class="sourceLineNo">158</span> }<a name="line.158"></a>
-<span class="sourceLineNo">159</span> });<a name="line.159"></a>
-<span class="sourceLineNo">160</span> } catch (Throwable t) {<a name="line.160"></a>
-<span class="sourceLineNo">161</span> LOG.error("Exception in run", t);<a name="line.161"></a>
-<span class="sourceLineNo">162</span> } finally {<a name="line.162"></a>
-<span class="sourceLineNo">163</span> // Run this on the way out.<a name="line.163"></a>
-<span class="sourceLineNo">164</span> if (this.shutdownThread != null) {<a name="line.164"></a>
-<span class="sourceLineNo">165</span> this.shutdownThread.start();<a name="line.165"></a>
-<span class="sourceLineNo">166</span> Threads.shutdown(this.shutdownThread, 30000);<a name="line.166"></a>
-<span class="sourceLineNo">167</span> }<a name="line.167"></a>
-<span class="sourceLineNo">168</span> }<a name="line.168"></a>
-<span class="sourceLineNo">169</span> }<a name="line.169"></a>
-<span class="sourceLineNo">170</span><a name="line.170"></a>
-<span class="sourceLineNo">171</span> private void runRegionServer() {<a name="line.171"></a>
-<span class="sourceLineNo">172</span> super.run();<a name="line.172"></a>
-<span class="sourceLineNo">173</span> }<a name="line.173"></a>
-<span class="sourceLineNo">174</span><a name="line.174"></a>
-<span class="sourceLineNo">175</span> @Override<a name="line.175"></a>
-<span class="sourceLineNo">176</span> protected void kill() {<a name="line.176"></a>
-<span class="sourceLineNo">177</span> killedServers.add(getServerName());<a name="line.177"></a>
-<span class="sourceLineNo">178</span> super.kill();<a name="line.178"></a>
-<span class="sourceLineNo">179</span> }<a name="line.179"></a>
-<span class="sourceLineNo">180</span><a name="line.180"></a>
-<span class="sourceLineNo">181</span> @Override<a name="line.181"></a>
-<span class="sourceLineNo">182</span> public void abort(final String reason, final Throwable cause) {<a name="line.182"></a>
-<span class="sourceLineNo">183</span> this.user.runAs(new PrivilegedAction<Object>() {<a name="line.183"></a>
-<span class="sourceLineNo">184</span> public Object run() {<a name="line.184"></a>
-<span class="sourceLineNo">185</span> abortRegionServer(reason, cause);<a name="line.185"></a>
-<span class="sourceLineNo">186</span> return null;<a name="line.186"></a>
-<span class="sourceLineNo">187</span> }<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> private void abortRegionServer(String reason, Throwable cause) {<a name="line.191"></a>
-<span class="sourceLineNo">192</span> super.abort(reason, cause);<a name="line.192"></a>
-<span class="sourceLineNo">193</span> }<a name="line.193"></a>
-<span class="sourceLineNo">194</span> }<a name="line.194"></a>
-<span class="sourceLineNo">195</span><a name="line.195"></a>
-<span class="sourceLineNo">196</span> /**<a name="line.196"></a>
-<span class="sourceLineNo">197</span> * Alternate shutdown hook.<a name="line.197"></a>
-<span class="sourceLineNo">198</span> * Just shuts down the passed fs, not all as default filesystem hook does.<a name="line.198"></a>
-<span class="sourceLineNo">199</span> */<a name="line.199"></a>
-<span class="sourceLineNo">200</span> static class SingleFileSystemShutdownThread extends Thread {<a name="line.200"></a>
-<span class="sourceLineNo">201</span> private final FileSystem fs;<a name="line.201"></a>
-<span class="sourceLineNo">202</span> SingleFileSystemShutdownThread(final FileSystem fs) {<a name="line.202"></a>
-<span class="sourceLineNo">203</span> super("Shutdown of " + fs);<a name="line.203"></a>
-<span class="sourceLineNo">204</span> this.fs = fs;<a name="line.204"></a>
-<span class="sourceLineNo">205</span> }<a name="line.205"></a>
-<span class="sourceLineNo">206</span> @Override<a name="line.206"></a>
-<span class="sourceLineNo">207</span> public void run() {<a name="line.207"></a>
-<span class="sourceLineNo">208</span> try {<a name="line.208"></a>
-<span class="sourceLineNo">209</span> LOG.info("Hook closing fs=" + this.fs);<a name="line.209"></a>
-<span class="sourceLineNo">210</span> this.fs.close();<a name="line.210"></a>
-<span class="sourceLineNo">211</span> } catch (NullPointerException npe) {<a name="line.211"></a>
-<span class="sourceLineNo">212</span> LOG.debug("Need to fix these: " + npe.toString());<a name="line.212"></a>
-<span class="sourceLineNo">213</span> } catch (IOException e) {<a name="line.213"></a>
-<span class="sourceLineNo">214</span> LOG.warn("Running hook", e);<a name="line.214"></a>
-<span class="sourceLineNo">215</span> }<a name="line.215"></a>
-<span class="sourceLineNo">216</span> }<a name="line.216"></a>
-<span class="sourceLineNo">217</span> }<a name="line.217"></a>
-<span class="sourceLineNo">218</span><a name="line.218"></a>
-<span class="sourceLineNo">219</span> private void init(final int nMasterNodes, final int nRegionNodes, List<Integer> rsPorts,<a name="line.219"></a>
-<span class="sourceLineNo">220</span> Class<? extends HMaster> masterClass,<a name="line.220"></a>
-<span class="sourceLineNo">221</span> Class<? extends MiniHBaseCluster.MiniHBaseClusterRegionServer> regionserverClass)<a name="line.221"></a>
-<span class="sourceLineNo">222</span> throws IOException, InterruptedException {<a name="line.222"></a>
-<span class="sourceLineNo">223</span> try {<a name="line.223"></a>
-<span class="sourceLineNo">224</span> if (masterClass == null){<a name="line.224"></a>
-<span class="sourceLineNo">225</span> masterClass = HMaster.class;<a name="line.225"></a>
-<span class="sourceLineNo">226</span> }<a name="line.226"></a>
-<span class="sourceLineNo">227</span> if (regionserverClass == null){<a name="line.227"></a>
-<span class="sourceLineNo">228</span> regionserverClass = MiniHBaseCluster.MiniHBaseClusterRegionServer.class;<a name="line.228"></a>
-<span class="sourceLineNo">229</span> }<a name="line.229"></a>
-<span class="sourceLineNo">230</span><a name="line.230"></a>
-<span class="sourceLineNo">231</span> // start up a LocalHBaseCluster<a name="line.231"></a>
-<span class="sourceLineNo">232</span> hbaseCluster = new LocalHBaseCluster(conf, nMasterNodes, 0,<a name="line.232"></a>
-<span class="sourceLineNo">233</span> masterClass, regionserverClass);<a name="line.233"></a>
-<span class="sourceLineNo">234</span><a name="line.234"></a>
-<span class="sourceLineNo">235</span> // manually add the regionservers as other users<a name="line.235"></a>
-<span class="sourceLineNo">236</span> for (int i = 0; i < nRegionNodes; i++) {<a name="line.236"></a>
-<span class="sourceLineNo">237</span> Configuration rsConf = HBaseConfiguration.create(conf);<a name="line.237"></a>
-<span class="sourceLineNo">238</span> if (rsPorts != null) {<a name="line.238"></a>
-<span class="sourceLineNo">239</span> rsConf.setInt(HConstants.REGIONSERVER_PORT, rsPorts.get(i));<a name="line.239"></a>
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-<span class="sourceLineNo">241</span> User user = HBaseTestingUtility.getDifferentUser(rsConf,<a name="line.241"></a>
-<span class="sourceLineNo">242</span> ".hfs."+index++);<a name="line.242"></a>
-<span class="sourceLineNo">243</span> hbaseCluster.addRegionServer(rsConf, i, user);<a name="line.243"></a>
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-<span class="sourceLineNo">245</span><a name="line.245"></a>
-<span class="sourceLineNo">246</span> hbaseCluster.startup();<a name="line.246"></a>
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-<span class="sourceLineNo">248</span> shutdown();<a name="line.248"></a>
-<span class="sourceLineNo">249</span> throw e;<a name="line.249"></a>
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-<span class="sourceLineNo">251</span> LOG.error("Error starting cluster", t);<a name="line.251"></a>
-<span class="sourceLineNo">252</span> shutdown();<a name="line.252"></a>
-<span class="sourceLineNo">253</span> throw new IOException("Shutting down", t);<a name="line.253"></a>
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-<span class="sourceLineNo">257</span> @Override<a name="line.257"></a>
-<span class="sourceLineNo">258</span> public void startRegionServer(String hostname, int port) throws IOException {<a name="line.258"></a>
-<span class="sourceLineNo">259</span> this.startRegionServer();<a name="line.259"></a>
-<span class="sourceLineNo">260</span> }<a name="line.260"></a>
-<span class="sourceLineNo">261</span><a name="line.261"></a>
-<span class="sourceLineNo">262</span> @Override<a name="line.262"></a>
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-<span class="sourceLineNo">265</span> if (server instanceof MiniHBaseClusterRegionServer) {<a name="line.265"></a>
-<span class="sourceLineNo">266</span> LOG.info("Killing " + server.toString());<a name="line.266"></a>
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+<span class="sourceLineNo">031</span>import org.apache.hadoop.hbase.regionserver.HRegion.FlushResult;<a name="line.31"></a>
+<span class="sourceLineNo">032</span>import org.apache.hadoop.hbase.regionserver.HRegionServer;<a name="line.32"></a>
+<span class="sourceLineNo">033</span>import org.apache.hadoop.hbase.regionserver.Region;<a name="line.33"></a>
+<span class="sourceLineNo">034</span>import org.apache.hadoop.hbase.security.User;<a name="line.34"></a>
+<span class="sourceLineNo">035</span>import org.apache.hadoop.hbase.test.MetricsAssertHelper;<a name="line.35"></a>
+<span class="sourceLineNo">036</span>import org.apache.hadoop.hbase.util.JVMClusterUtil;<a name="line.36"></a>
+<span class="sourceLineNo">037</span>import org.apache.hadoop.hbase.util.JVMClusterUtil.MasterThread;<a name="line.37"></a>
+<span class="sourceLineNo">038</span>import org.apache.hadoop.hbase.util.JVMClusterUtil.RegionServerThread;<a name="line.38"></a>
+<span class="sourceLineNo">039</span>import org.apache.hadoop.hbase.util.Threads;<a name="line.39"></a>
+<span class="sourceLineNo">040</span>import org.apache.yetus.audience.InterfaceAudience;<a name="line.40"></a>
+<span class="sourceLineNo">041</span>import org.slf4j.Logger;<a name="line.41"></a>
+<span class="sourceLineNo">042</span>import org.slf4j.LoggerFactory;<a name="line.42"></a>
+<span class="sourceLineNo">043</span><a name="line.43"></a>
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+<span class="sourceLineNo">049</span>/**<a name="line.49"></a>
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+<span class="sourceLineNo">052</span> * if we are running on DistributedFilesystem, create a FileSystem instance<a name="line.52"></a>
+<span class="sourceLineNo">053</span> * each and will close down their instance on the way out.<a name="line.53"></a>
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+<span class="sourceLineNo">055</span>@InterfaceAudience.Public<a name="line.55"></a>
+<span class="sourceLineNo">056</span>public class MiniHBaseCluster extends HBaseCluster {<a name="line.56"></a>
+<span class="sourceLineNo">057</span> private static final Logger LOG = LoggerFactory.getLogger(MiniHBaseCluster.class.getName());<a name="line.57"></a>
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+<span class="sourceLineNo">066</span> */<a name="line.66"></a>
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+<span class="sourceLineNo">069</span> this(conf, 1, numRegionServers);<a name="line.69"></a>
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+<span class="sourceLineNo">075</span> * @param numMasters initial number of masters to start.<a name="line.75"></a>
+<span class="sourceLineNo">076</span> * @param numRegionServers initial number of region servers to start.<a name="line.76"></a>
+<span class="sourceLineNo">077</span> * @throws IOException<a name="line.77"></a>
+<span class="sourceLineNo">078</span> */<a name="line.78"></a>
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+<span class="sourceLineNo">080</span> throws IOException, InterruptedException {<a name="line.80"></a>
+<span class="sourceLineNo">081</span> this(conf, numMasters, numRegionServers, null, null, null);<a name="line.81"></a>
+<span class="sourceLineNo">082</span> }<a name="line.82"></a>
+<span class="sourceLineNo">083</span><a name="line.83"></a>
+<span class="sourceLineNo">084</span> /**<a name="line.84"></a>
+<span class="sourceLineNo">085</span> * @param rsPorts Ports that RegionServer should use; pass ports if you want to test cluster<a name="line.85"></a>
+<span class="sourceLineNo">086</span> * restart where for sure the regionservers come up on same address+port (but<a name="line.86"></a>
+<span class="sourceLineNo">087</span> * just with different startcode); by default mini hbase clusters choose new<a name="line.87"></a>
+<span class="sourceLineNo">088</span> * arbitrary ports on each cluster start.<a name="line.88"></a>
+<span class="sourceLineNo">089</span> * @throws IOException<a name="line.89"></a>
+<span class="sourceLineNo">090</span> * @throws InterruptedException<a name="line.90"></a>
+<span class="sourceLineNo">091</span> */<a name="line.91"></a>
+<span class="sourceLineNo">092</span> public MiniHBaseCluster(Configuration conf, int numMasters, int numRegionServers,<a name="line.92"></a>
+<span class="sourceLineNo">093</span> List<Integer> rsPorts,<a name="line.93"></a>
+<span class="sourceLineNo">094</span> Class<? extends HMaster> masterClass,<a name="line.94"></a>
+<span class="sourceLineNo">095</span> Class<? extends MiniHBaseCluster.MiniHBaseClusterRegionServer> regionserverClass)<a name="line.95"></a>
+<span class="sourceLineNo">096</span> throws IOException, InterruptedException {<a name="line.96"></a>
+<span class="sourceLineNo">097</span> super(conf);<a name="line.97"></a>
+<span class="sourceLineNo">098</span> conf.set(HConstants.MASTER_PORT, "0");<a name="line.98"></a>
+<span class="sourceLineNo">099</span> if (conf.getInt(HConstants.MASTER_INFO_PORT, 0) != -1) {<a name="line.99"></a>
+<span class="sourceLineNo">100</span> conf.set(HConstants.MASTER_INFO_PORT, "0");<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> // Hadoop 2<a name="line.103"></a>
+<span class="sourceLineNo">104</span> CompatibilityFactory.getInstance(MetricsAssertHelper.class).init();<a name="line.104"></a>
+<span class="sourceLineNo">105</span><a name="line.105"></a>
+<span class="sourceLineNo">106</span> init(numMasters, numRegionServers, rsPorts, masterClass, regionserverClass);<a name="line.106"></a>
+<span class="sourceLineNo">107</span> this.initialClusterStatus = getClusterStatus();<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> public Configuration getConfiguration() {<a name="line.110"></a>
+<span class="sourceLineNo">111</span> return this.conf;<a name="line.111"></a>
+<span class="sourceLineNo">112</span> }<a name="line.112"></a>
+<span class="sourceLineNo">113</span><a name="line.113"></a>
+<span class="sourceLineNo">114</span> /**<a name="line.114"></a>
+<span class="sourceLineNo">115</span> * Subclass so can get at protected methods (none at moment). Also, creates<a name="line.115"></a>
+<span class="sourceLineNo">116</span> * a FileSystem instance per instantiation. Adds a shutdown own FileSystem<a name="line.116"></a>
+<span class="sourceLineNo">117</span> * on the way out. Shuts down own Filesystem only, not All filesystems as<a name="line.117"></a>
+<span class="sourceLineNo">118</span> * the FileSystem system exit hook does.<a name="line.118"></a>
+<span class="sourceLineNo">119</span> */<a name="line.119"></a>
+<span class="sourceLineNo">120</span> public static class MiniHBaseClusterRegionServer extends HRegionServer {<a name="line.120"></a>
+<span class="sourceLineNo">121</span> private Thread shutdownThread = null;<a name="line.121"></a>
+<span class="sourceLineNo">122</span> private User user = null;<a name="line.122"></a>
+<span class="sourceLineNo">123</span> /**<a name="line.123"></a>
+<span class="sourceLineNo">124</span> * List of RegionServers killed so far. ServerName also comprises startCode of a server,<a name="line.124"></a>
+<span class="sourceLineNo">125</span> * so any restarted instances of the same server will have different ServerName and will not<a name="line.125"></a>
+<span class="sourceLineNo">126</span> * coincide with past dead ones. So there's no need to cleanup this list.<a name="line.126"></a>
+<span class="sourceLineNo">127</span> */<a name="line.127"></a>
+<span class="sourceLineNo">128</span> static Set<ServerName> killedServers = new HashSet<>();<a name="line.128"></a>
+<span class="sourceLineNo">129</span><a name="line.129"></a>
+<span class="sourceLineNo">130</span> public MiniHBaseClusterRegionServer(Configuration conf)<a name="line.130"></a>
+<span class="sourceLineNo">131</span> throws IOException, InterruptedException {<a name="line.131"></a>
+<span class="sourceLineNo">132</span> super(conf);<a name="line.132"></a>
+<span class="sourceLineNo">133</span> this.user = User.getCurrent();<a name="line.133"></a>
+<span class="sourceLineNo">134</span> }<a name="line.134"></a>
+<span class="sourceLineNo">135</span><a name="line.135"></a>
+<span class="sourceLineNo">136</span> /*<a name="line.136"></a>
+<span class="sourceLineNo">137</span> * @param c<a name="line.137"></a>
+<span class="sourceLineNo">138</span> * @param currentfs We return this if we did not make a new one.<a name="line.138"></a>
+<span class="sourceLineNo">139</span> * @param uniqueName Same name used to help identify the created fs.<a name="line.139"></a>
+<span class="sourceLineNo">140</span> * @return A new fs instance if we are up on DistributeFileSystem.<a name="line.140"></a>
+<span class="sourceLineNo">141</span> * @throws IOException<a name="line.141"></a>
+<span class="sourceLineNo">142</span> */<a name="line.142"></a>
+<span class="sourceLineNo">143</span><a name="line.143"></a>
+<span class="sourceLineNo">144</span> @Override<a name="line.144"></a>
+<span class="sourceLineNo">145</span> protected void handleReportForDutyResponse(<a name="line.145"></a>
+<span class="sourceLineNo">146</span> final RegionServerStartupResponse c) throws IOException {<a name="line.146"></a>
+<span class="sourceLineNo">147</span> super.handleReportForDutyResponse(c);<a name="line.147"></a>
+<span class="sourceLineNo">148</span> // Run this thread to shutdown our filesystem on way out.<a name="line.148"></a>
+<span class="sourceLineNo">149</span> this.shutdownThread = new SingleFileSystemShutdownThread(getFileSystem());<a name="line.149"></a>
+<span class="sourceLineNo">150</span> }<a name="line.150"></a>
+<span class="sourceLineNo">151</span><a name="line.151"></a>
+<span class="sourceLineNo">152</span> @Override<a name="line.152"></a>
+<span class="sourceLineNo">153</span> public void run() {<a name="line.153"></a>
+<span class="sourceLineNo">154</span> try {<a name="line.154"></a>
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