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| <pre><span class="sourceLineNo">001</span>/*<a name="line.1"></a> |
| <span class="sourceLineNo">002</span> * Licensed to the Apache Software Foundation (ASF) under one<a name="line.2"></a> |
| <span class="sourceLineNo">003</span> * or more contributor license agreements. See the NOTICE file<a name="line.3"></a> |
| <span class="sourceLineNo">004</span> * distributed with this work for additional information<a name="line.4"></a> |
| <span class="sourceLineNo">005</span> * regarding copyright ownership. The ASF licenses this file<a name="line.5"></a> |
| <span class="sourceLineNo">006</span> * to you under the Apache License, Version 2.0 (the<a name="line.6"></a> |
| <span class="sourceLineNo">007</span> * "License"); you may not use this file except in compliance<a name="line.7"></a> |
| <span class="sourceLineNo">008</span> * with the License. You may obtain a copy of the License at<a name="line.8"></a> |
| <span class="sourceLineNo">009</span> *<a name="line.9"></a> |
| <span class="sourceLineNo">010</span> * http://www.apache.org/licenses/LICENSE-2.0<a name="line.10"></a> |
| <span class="sourceLineNo">011</span> *<a name="line.11"></a> |
| <span class="sourceLineNo">012</span> * Unless required by applicable law or agreed to in writing, software<a name="line.12"></a> |
| <span class="sourceLineNo">013</span> * distributed under the License is distributed on an "AS IS" BASIS,<a name="line.13"></a> |
| <span class="sourceLineNo">014</span> * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.<a name="line.14"></a> |
| <span class="sourceLineNo">015</span> * See the License for the specific language governing permissions and<a name="line.15"></a> |
| <span class="sourceLineNo">016</span> * limitations under the License.<a name="line.16"></a> |
| <span class="sourceLineNo">017</span> */<a name="line.17"></a> |
| <span class="sourceLineNo">018</span>package org.apache.hadoop.hbase.fs;<a name="line.18"></a> |
| <span class="sourceLineNo">019</span><a name="line.19"></a> |
| <span class="sourceLineNo">020</span>import static org.apache.hadoop.hbase.util.LocatedBlockHelper.getLocatedBlockLocations;<a name="line.20"></a> |
| <span class="sourceLineNo">021</span><a name="line.21"></a> |
| <span class="sourceLineNo">022</span>import java.io.FileNotFoundException;<a name="line.22"></a> |
| <span class="sourceLineNo">023</span>import java.io.IOException;<a name="line.23"></a> |
| <span class="sourceLineNo">024</span>import java.lang.reflect.Field;<a name="line.24"></a> |
| <span class="sourceLineNo">025</span>import java.util.List;<a name="line.25"></a> |
| <span class="sourceLineNo">026</span>import java.util.concurrent.CountDownLatch;<a name="line.26"></a> |
| <span class="sourceLineNo">027</span>import org.apache.hadoop.conf.Configuration;<a name="line.27"></a> |
| <span class="sourceLineNo">028</span>import org.apache.hadoop.fs.BlockLocation;<a name="line.28"></a> |
| <span class="sourceLineNo">029</span>import org.apache.hadoop.fs.FileStatus;<a name="line.29"></a> |
| <span class="sourceLineNo">030</span>import org.apache.hadoop.fs.FileSystem;<a name="line.30"></a> |
| <span class="sourceLineNo">031</span>import org.apache.hadoop.fs.Path;<a name="line.31"></a> |
| <span class="sourceLineNo">032</span>import org.apache.hadoop.hbase.HBaseClassTestRule;<a name="line.32"></a> |
| <span class="sourceLineNo">033</span>import org.apache.hadoop.hbase.HBaseTestingUtil;<a name="line.33"></a> |
| <span class="sourceLineNo">034</span>import org.apache.hadoop.hbase.HConstants;<a name="line.34"></a> |
| <span class="sourceLineNo">035</span>import org.apache.hadoop.hbase.SingleProcessHBaseCluster;<a name="line.35"></a> |
| <span class="sourceLineNo">036</span>import org.apache.hadoop.hbase.TableName;<a name="line.36"></a> |
| <span class="sourceLineNo">037</span>import org.apache.hadoop.hbase.client.Put;<a name="line.37"></a> |
| <span class="sourceLineNo">038</span>import org.apache.hadoop.hbase.client.Table;<a name="line.38"></a> |
| <span class="sourceLineNo">039</span>import org.apache.hadoop.hbase.regionserver.HRegion;<a name="line.39"></a> |
| <span class="sourceLineNo">040</span>import org.apache.hadoop.hbase.regionserver.HRegionServer;<a name="line.40"></a> |
| <span class="sourceLineNo">041</span>import org.apache.hadoop.hbase.regionserver.Region;<a name="line.41"></a> |
| <span class="sourceLineNo">042</span>import org.apache.hadoop.hbase.regionserver.wal.WALActionsListener;<a name="line.42"></a> |
| <span class="sourceLineNo">043</span>import org.apache.hadoop.hbase.testclassification.LargeTests;<a name="line.43"></a> |
| <span class="sourceLineNo">044</span>import org.apache.hadoop.hbase.testclassification.MiscTests;<a name="line.44"></a> |
| <span class="sourceLineNo">045</span>import org.apache.hadoop.hbase.util.Bytes;<a name="line.45"></a> |
| <span class="sourceLineNo">046</span>import org.apache.hadoop.hbase.util.CommonFSUtils;<a name="line.46"></a> |
| <span class="sourceLineNo">047</span>import org.apache.hadoop.hbase.util.EnvironmentEdgeManager;<a name="line.47"></a> |
| <span class="sourceLineNo">048</span>import org.apache.hadoop.hdfs.DFSClient;<a name="line.48"></a> |
| <span class="sourceLineNo">049</span>import org.apache.hadoop.hdfs.DistributedFileSystem;<a name="line.49"></a> |
| <span class="sourceLineNo">050</span>import org.apache.hadoop.hdfs.MiniDFSCluster;<a name="line.50"></a> |
| <span class="sourceLineNo">051</span>import org.apache.hadoop.hdfs.protocol.ClientProtocol;<a name="line.51"></a> |
| <span class="sourceLineNo">052</span>import org.apache.hadoop.hdfs.protocol.DirectoryListing;<a name="line.52"></a> |
| <span class="sourceLineNo">053</span>import org.apache.hadoop.hdfs.protocol.HdfsFileStatus;<a name="line.53"></a> |
| <span class="sourceLineNo">054</span>import org.apache.hadoop.hdfs.protocol.LocatedBlocks;<a name="line.54"></a> |
| <span class="sourceLineNo">055</span>import org.apache.hadoop.ipc.RemoteException;<a name="line.55"></a> |
| <span class="sourceLineNo">056</span>import org.junit.After;<a name="line.56"></a> |
| <span class="sourceLineNo">057</span>import org.junit.Assert;<a name="line.57"></a> |
| <span class="sourceLineNo">058</span>import org.junit.Before;<a name="line.58"></a> |
| <span class="sourceLineNo">059</span>import org.junit.ClassRule;<a name="line.59"></a> |
| <span class="sourceLineNo">060</span>import org.junit.Rule;<a name="line.60"></a> |
| <span class="sourceLineNo">061</span>import org.junit.Test;<a name="line.61"></a> |
| <span class="sourceLineNo">062</span>import org.junit.experimental.categories.Category;<a name="line.62"></a> |
| <span class="sourceLineNo">063</span>import org.junit.rules.TestName;<a name="line.63"></a> |
| <span class="sourceLineNo">064</span>import org.slf4j.Logger;<a name="line.64"></a> |
| <span class="sourceLineNo">065</span>import org.slf4j.LoggerFactory;<a name="line.65"></a> |
| <span class="sourceLineNo">066</span><a name="line.66"></a> |
| <span class="sourceLineNo">067</span>/**<a name="line.67"></a> |
| <span class="sourceLineNo">068</span> * Tests for the hdfs fix from HBASE-6435. Please don't add new subtest which involves starting /<a name="line.68"></a> |
| <span class="sourceLineNo">069</span> * stopping MiniDFSCluster in this class. When stopping MiniDFSCluster, shutdown hooks would be<a name="line.69"></a> |
| <span class="sourceLineNo">070</span> * cleared in hadoop's ShutdownHookManager in hadoop 3. This leads to 'Failed suppression of fs<a name="line.70"></a> |
| <span class="sourceLineNo">071</span> * shutdown hook' error in region server.<a name="line.71"></a> |
| <span class="sourceLineNo">072</span> */<a name="line.72"></a> |
| <span class="sourceLineNo">073</span>@Category({ MiscTests.class, LargeTests.class })<a name="line.73"></a> |
| <span class="sourceLineNo">074</span>public class TestBlockReorderMultiBlocks {<a name="line.74"></a> |
| <span class="sourceLineNo">075</span><a name="line.75"></a> |
| <span class="sourceLineNo">076</span> @ClassRule<a name="line.76"></a> |
| <span class="sourceLineNo">077</span> public static final HBaseClassTestRule CLASS_RULE =<a name="line.77"></a> |
| <span class="sourceLineNo">078</span> HBaseClassTestRule.forClass(TestBlockReorderMultiBlocks.class);<a name="line.78"></a> |
| <span class="sourceLineNo">079</span><a name="line.79"></a> |
| <span class="sourceLineNo">080</span> private static final Logger LOG = LoggerFactory.getLogger(TestBlockReorderMultiBlocks.class);<a name="line.80"></a> |
| <span class="sourceLineNo">081</span><a name="line.81"></a> |
| <span class="sourceLineNo">082</span> private Configuration conf;<a name="line.82"></a> |
| <span class="sourceLineNo">083</span> private MiniDFSCluster cluster;<a name="line.83"></a> |
| <span class="sourceLineNo">084</span> private HBaseTestingUtil htu;<a name="line.84"></a> |
| <span class="sourceLineNo">085</span> private DistributedFileSystem dfs;<a name="line.85"></a> |
| <span class="sourceLineNo">086</span> private static final String host1 = "host1";<a name="line.86"></a> |
| <span class="sourceLineNo">087</span> private static final String host2 = "host2";<a name="line.87"></a> |
| <span class="sourceLineNo">088</span> private static final String host3 = "host3";<a name="line.88"></a> |
| <span class="sourceLineNo">089</span><a name="line.89"></a> |
| <span class="sourceLineNo">090</span> @Rule<a name="line.90"></a> |
| <span class="sourceLineNo">091</span> public TestName name = new TestName();<a name="line.91"></a> |
| <span class="sourceLineNo">092</span><a name="line.92"></a> |
| <span class="sourceLineNo">093</span> @Before<a name="line.93"></a> |
| <span class="sourceLineNo">094</span> public void setUp() throws Exception {<a name="line.94"></a> |
| <span class="sourceLineNo">095</span> htu = new HBaseTestingUtil();<a name="line.95"></a> |
| <span class="sourceLineNo">096</span> htu.getConfiguration().setInt("dfs.blocksize", 1024);// For the test with multiple blocks<a name="line.96"></a> |
| <span class="sourceLineNo">097</span> htu.getConfiguration().setInt("dfs.replication", 3);<a name="line.97"></a> |
| <span class="sourceLineNo">098</span> htu.startMiniDFSCluster(3, new String[] { "/r1", "/r2", "/r3" },<a name="line.98"></a> |
| <span class="sourceLineNo">099</span> new String[] { host1, host2, host3 });<a name="line.99"></a> |
| <span class="sourceLineNo">100</span><a name="line.100"></a> |
| <span class="sourceLineNo">101</span> conf = htu.getConfiguration();<a name="line.101"></a> |
| <span class="sourceLineNo">102</span> cluster = htu.getDFSCluster();<a name="line.102"></a> |
| <span class="sourceLineNo">103</span> dfs = (DistributedFileSystem) FileSystem.get(conf);<a name="line.103"></a> |
| <span class="sourceLineNo">104</span> }<a name="line.104"></a> |
| <span class="sourceLineNo">105</span><a name="line.105"></a> |
| <span class="sourceLineNo">106</span> @After<a name="line.106"></a> |
| <span class="sourceLineNo">107</span> public void tearDownAfterClass() throws Exception {<a name="line.107"></a> |
| <span class="sourceLineNo">108</span> htu.shutdownMiniCluster();<a name="line.108"></a> |
| <span class="sourceLineNo">109</span> }<a name="line.109"></a> |
| <span class="sourceLineNo">110</span><a name="line.110"></a> |
| <span class="sourceLineNo">111</span> /**<a name="line.111"></a> |
| <span class="sourceLineNo">112</span> * Test that the hook works within HBase, including when there are multiple blocks.<a name="line.112"></a> |
| <span class="sourceLineNo">113</span> */<a name="line.113"></a> |
| <span class="sourceLineNo">114</span> @Test()<a name="line.114"></a> |
| <span class="sourceLineNo">115</span> public void testHBaseCluster() throws Exception {<a name="line.115"></a> |
| <span class="sourceLineNo">116</span> byte[] sb = Bytes.toBytes("sb");<a name="line.116"></a> |
| <span class="sourceLineNo">117</span> htu.startMiniZKCluster();<a name="line.117"></a> |
| <span class="sourceLineNo">118</span><a name="line.118"></a> |
| <span class="sourceLineNo">119</span> SingleProcessHBaseCluster hbm = htu.startMiniHBaseCluster();<a name="line.119"></a> |
| <span class="sourceLineNo">120</span> hbm.waitForActiveAndReadyMaster();<a name="line.120"></a> |
| <span class="sourceLineNo">121</span> HRegionServer targetRs = hbm.getRegionServer(0);<a name="line.121"></a> |
| <span class="sourceLineNo">122</span><a name="line.122"></a> |
| <span class="sourceLineNo">123</span> // We want to have a datanode with the same name as the region server, so<a name="line.123"></a> |
| <span class="sourceLineNo">124</span> // we're going to get the regionservername, and start a new datanode with this name.<a name="line.124"></a> |
| <span class="sourceLineNo">125</span> String host4 = targetRs.getServerName().getHostname();<a name="line.125"></a> |
| <span class="sourceLineNo">126</span> LOG.info("Starting a new datanode with the name=" + host4);<a name="line.126"></a> |
| <span class="sourceLineNo">127</span> cluster.startDataNodes(conf, 1, true, null, new String[] { "/r4" }, new String[] { host4 },<a name="line.127"></a> |
| <span class="sourceLineNo">128</span> null);<a name="line.128"></a> |
| <span class="sourceLineNo">129</span> cluster.waitClusterUp();<a name="line.129"></a> |
| <span class="sourceLineNo">130</span><a name="line.130"></a> |
| <span class="sourceLineNo">131</span> final int repCount = 3;<a name="line.131"></a> |
| <span class="sourceLineNo">132</span><a name="line.132"></a> |
| <span class="sourceLineNo">133</span> // We use the regionserver file system & conf as we expect it to have the hook.<a name="line.133"></a> |
| <span class="sourceLineNo">134</span> conf = targetRs.getConfiguration();<a name="line.134"></a> |
| <span class="sourceLineNo">135</span> HFileSystem rfs = (HFileSystem) targetRs.getFileSystem();<a name="line.135"></a> |
| <span class="sourceLineNo">136</span> Table h = htu.createTable(TableName.valueOf(name.getMethodName()), sb);<a name="line.136"></a> |
| <span class="sourceLineNo">137</span><a name="line.137"></a> |
| <span class="sourceLineNo">138</span> // Now, we have 4 datanodes and a replication count of 3. So we don't know if the datanode<a name="line.138"></a> |
| <span class="sourceLineNo">139</span> // with the same node will be used. We can't really stop an existing datanode, this would<a name="line.139"></a> |
| <span class="sourceLineNo">140</span> // make us fall in nasty hdfs bugs/issues. So we're going to try multiple times.<a name="line.140"></a> |
| <span class="sourceLineNo">141</span><a name="line.141"></a> |
| <span class="sourceLineNo">142</span> // Now we need to find the log file, its locations, and look at it<a name="line.142"></a> |
| <span class="sourceLineNo">143</span><a name="line.143"></a> |
| <span class="sourceLineNo">144</span> String rootDir =<a name="line.144"></a> |
| <span class="sourceLineNo">145</span> new Path(CommonFSUtils.getWALRootDir(conf) + "/" + HConstants.HREGION_LOGDIR_NAME + "/"<a name="line.145"></a> |
| <span class="sourceLineNo">146</span> + targetRs.getServerName().toString()).toUri().getPath();<a name="line.146"></a> |
| <span class="sourceLineNo">147</span><a name="line.147"></a> |
| <span class="sourceLineNo">148</span> DistributedFileSystem mdfs =<a name="line.148"></a> |
| <span class="sourceLineNo">149</span> (DistributedFileSystem) hbm.getMaster().getMasterFileSystem().getFileSystem();<a name="line.149"></a> |
| <span class="sourceLineNo">150</span><a name="line.150"></a> |
| <span class="sourceLineNo">151</span> int nbTest = 0;<a name="line.151"></a> |
| <span class="sourceLineNo">152</span> while (nbTest < 10) {<a name="line.152"></a> |
| <span class="sourceLineNo">153</span> final List<HRegion> regions = targetRs.getRegions(h.getName());<a name="line.153"></a> |
| <span class="sourceLineNo">154</span> final CountDownLatch latch = new CountDownLatch(regions.size());<a name="line.154"></a> |
| <span class="sourceLineNo">155</span> // listen for successful log rolls<a name="line.155"></a> |
| <span class="sourceLineNo">156</span> final WALActionsListener listener = new WALActionsListener() {<a name="line.156"></a> |
| <span class="sourceLineNo">157</span> @Override<a name="line.157"></a> |
| <span class="sourceLineNo">158</span> public void postLogRoll(final Path oldPath, final Path newPath) throws IOException {<a name="line.158"></a> |
| <span class="sourceLineNo">159</span> latch.countDown();<a name="line.159"></a> |
| <span class="sourceLineNo">160</span> }<a name="line.160"></a> |
| <span class="sourceLineNo">161</span> };<a name="line.161"></a> |
| <span class="sourceLineNo">162</span> for (HRegion region : regions) {<a name="line.162"></a> |
| <span class="sourceLineNo">163</span> region.getWAL().registerWALActionsListener(listener);<a name="line.163"></a> |
| <span class="sourceLineNo">164</span> }<a name="line.164"></a> |
| <span class="sourceLineNo">165</span><a name="line.165"></a> |
| <span class="sourceLineNo">166</span> htu.getAdmin().rollWALWriter(targetRs.getServerName());<a name="line.166"></a> |
| <span class="sourceLineNo">167</span><a name="line.167"></a> |
| <span class="sourceLineNo">168</span> // wait<a name="line.168"></a> |
| <span class="sourceLineNo">169</span> try {<a name="line.169"></a> |
| <span class="sourceLineNo">170</span> latch.await();<a name="line.170"></a> |
| <span class="sourceLineNo">171</span> } catch (InterruptedException exception) {<a name="line.171"></a> |
| <span class="sourceLineNo">172</span> LOG.warn("Interrupted while waiting for the wal of '" + targetRs + "' to roll. If later "<a name="line.172"></a> |
| <span class="sourceLineNo">173</span> + "tests fail, it's probably because we should still be waiting.");<a name="line.173"></a> |
| <span class="sourceLineNo">174</span> Thread.currentThread().interrupt();<a name="line.174"></a> |
| <span class="sourceLineNo">175</span> }<a name="line.175"></a> |
| <span class="sourceLineNo">176</span> for (Region region : regions) {<a name="line.176"></a> |
| <span class="sourceLineNo">177</span> ((HRegion) region).getWAL().unregisterWALActionsListener(listener);<a name="line.177"></a> |
| <span class="sourceLineNo">178</span> }<a name="line.178"></a> |
| <span class="sourceLineNo">179</span><a name="line.179"></a> |
| <span class="sourceLineNo">180</span> // We need a sleep as the namenode is informed asynchronously<a name="line.180"></a> |
| <span class="sourceLineNo">181</span> Thread.sleep(100);<a name="line.181"></a> |
| <span class="sourceLineNo">182</span><a name="line.182"></a> |
| <span class="sourceLineNo">183</span> // insert one put to ensure a minimal size<a name="line.183"></a> |
| <span class="sourceLineNo">184</span> Put p = new Put(sb);<a name="line.184"></a> |
| <span class="sourceLineNo">185</span> p.addColumn(sb, sb, sb);<a name="line.185"></a> |
| <span class="sourceLineNo">186</span> h.put(p);<a name="line.186"></a> |
| <span class="sourceLineNo">187</span><a name="line.187"></a> |
| <span class="sourceLineNo">188</span> DirectoryListing dl = dfs.getClient().listPaths(rootDir, HdfsFileStatus.EMPTY_NAME);<a name="line.188"></a> |
| <span class="sourceLineNo">189</span> HdfsFileStatus[] hfs = dl.getPartialListing();<a name="line.189"></a> |
| <span class="sourceLineNo">190</span><a name="line.190"></a> |
| <span class="sourceLineNo">191</span> // As we wrote a put, we should have at least one log file.<a name="line.191"></a> |
| <span class="sourceLineNo">192</span> Assert.assertTrue(hfs.length >= 1);<a name="line.192"></a> |
| <span class="sourceLineNo">193</span> for (HdfsFileStatus hf : hfs) {<a name="line.193"></a> |
| <span class="sourceLineNo">194</span> // Because this is a live cluster, log files might get archived while we're processing<a name="line.194"></a> |
| <span class="sourceLineNo">195</span> try {<a name="line.195"></a> |
| <span class="sourceLineNo">196</span> LOG.info("Log file found: " + hf.getLocalName() + " in " + rootDir);<a name="line.196"></a> |
| <span class="sourceLineNo">197</span> String logFile = rootDir + "/" + hf.getLocalName();<a name="line.197"></a> |
| <span class="sourceLineNo">198</span> FileStatus fsLog = rfs.getFileStatus(new Path(logFile));<a name="line.198"></a> |
| <span class="sourceLineNo">199</span><a name="line.199"></a> |
| <span class="sourceLineNo">200</span> LOG.info("Checking log file: " + logFile);<a name="line.200"></a> |
| <span class="sourceLineNo">201</span> // Now checking that the hook is up and running<a name="line.201"></a> |
| <span class="sourceLineNo">202</span> // We can't call directly getBlockLocations, it's not available in HFileSystem<a name="line.202"></a> |
| <span class="sourceLineNo">203</span> // We're trying multiple times to be sure, as the order is random<a name="line.203"></a> |
| <span class="sourceLineNo">204</span><a name="line.204"></a> |
| <span class="sourceLineNo">205</span> BlockLocation[] bls = rfs.getFileBlockLocations(fsLog, 0, 1);<a name="line.205"></a> |
| <span class="sourceLineNo">206</span> if (bls.length > 0) {<a name="line.206"></a> |
| <span class="sourceLineNo">207</span> BlockLocation bl = bls[0];<a name="line.207"></a> |
| <span class="sourceLineNo">208</span><a name="line.208"></a> |
| <span class="sourceLineNo">209</span> LOG.info(bl.getHosts().length + " replicas for block 0 in " + logFile + " ");<a name="line.209"></a> |
| <span class="sourceLineNo">210</span> for (int i = 0; i < bl.getHosts().length - 1; i++) {<a name="line.210"></a> |
| <span class="sourceLineNo">211</span> LOG.info(bl.getHosts()[i] + " " + logFile);<a name="line.211"></a> |
| <span class="sourceLineNo">212</span> Assert.assertNotSame(bl.getHosts()[i], host4);<a name="line.212"></a> |
| <span class="sourceLineNo">213</span> }<a name="line.213"></a> |
| <span class="sourceLineNo">214</span> String last = bl.getHosts()[bl.getHosts().length - 1];<a name="line.214"></a> |
| <span class="sourceLineNo">215</span> LOG.info(last + " " + logFile);<a name="line.215"></a> |
| <span class="sourceLineNo">216</span> if (host4.equals(last)) {<a name="line.216"></a> |
| <span class="sourceLineNo">217</span> nbTest++;<a name="line.217"></a> |
| <span class="sourceLineNo">218</span> LOG.info(logFile + " is on the new datanode and is ok");<a name="line.218"></a> |
| <span class="sourceLineNo">219</span> if (bl.getHosts().length == 3) {<a name="line.219"></a> |
| <span class="sourceLineNo">220</span> // We can test this case from the file system as well<a name="line.220"></a> |
| <span class="sourceLineNo">221</span> // Checking the underlying file system. Multiple times as the order is random<a name="line.221"></a> |
| <span class="sourceLineNo">222</span> testFromDFS(dfs, logFile, repCount, host4);<a name="line.222"></a> |
| <span class="sourceLineNo">223</span><a name="line.223"></a> |
| <span class="sourceLineNo">224</span> // now from the master<a name="line.224"></a> |
| <span class="sourceLineNo">225</span> testFromDFS(mdfs, logFile, repCount, host4);<a name="line.225"></a> |
| <span class="sourceLineNo">226</span> }<a name="line.226"></a> |
| <span class="sourceLineNo">227</span> }<a name="line.227"></a> |
| <span class="sourceLineNo">228</span> }<a name="line.228"></a> |
| <span class="sourceLineNo">229</span> } catch (FileNotFoundException exception) {<a name="line.229"></a> |
| <span class="sourceLineNo">230</span> LOG.debug("Failed to find log file '" + hf.getLocalName() + "'; it probably was "<a name="line.230"></a> |
| <span class="sourceLineNo">231</span> + "archived out from under us so we'll ignore and retry. If this test hangs "<a name="line.231"></a> |
| <span class="sourceLineNo">232</span> + "indefinitely you should treat this failure as a symptom.", exception);<a name="line.232"></a> |
| <span class="sourceLineNo">233</span> } catch (RemoteException exception) {<a name="line.233"></a> |
| <span class="sourceLineNo">234</span> if (exception.unwrapRemoteException() instanceof FileNotFoundException) {<a name="line.234"></a> |
| <span class="sourceLineNo">235</span> LOG.debug("Failed to find log file '" + hf.getLocalName() + "'; it probably was "<a name="line.235"></a> |
| <span class="sourceLineNo">236</span> + "archived out from under us so we'll ignore and retry. If this test hangs "<a name="line.236"></a> |
| <span class="sourceLineNo">237</span> + "indefinitely you should treat this failure as a symptom.", exception);<a name="line.237"></a> |
| <span class="sourceLineNo">238</span> } else {<a name="line.238"></a> |
| <span class="sourceLineNo">239</span> throw exception;<a name="line.239"></a> |
| <span class="sourceLineNo">240</span> }<a name="line.240"></a> |
| <span class="sourceLineNo">241</span> }<a name="line.241"></a> |
| <span class="sourceLineNo">242</span> }<a name="line.242"></a> |
| <span class="sourceLineNo">243</span> }<a name="line.243"></a> |
| <span class="sourceLineNo">244</span> }<a name="line.244"></a> |
| <span class="sourceLineNo">245</span><a name="line.245"></a> |
| <span class="sourceLineNo">246</span> private void testFromDFS(DistributedFileSystem dfs, String src, int repCount, String localhost)<a name="line.246"></a> |
| <span class="sourceLineNo">247</span> throws Exception {<a name="line.247"></a> |
| <span class="sourceLineNo">248</span> // Multiple times as the order is random<a name="line.248"></a> |
| <span class="sourceLineNo">249</span> for (int i = 0; i < 10; i++) {<a name="line.249"></a> |
| <span class="sourceLineNo">250</span> LocatedBlocks lbs;<a name="line.250"></a> |
| <span class="sourceLineNo">251</span> // The NN gets the block list asynchronously, so we may need multiple tries to get the list<a name="line.251"></a> |
| <span class="sourceLineNo">252</span> final long max = EnvironmentEdgeManager.currentTime() + 10000;<a name="line.252"></a> |
| <span class="sourceLineNo">253</span> boolean done;<a name="line.253"></a> |
| <span class="sourceLineNo">254</span> do {<a name="line.254"></a> |
| <span class="sourceLineNo">255</span> Assert.assertTrue("Can't get enouth replica", EnvironmentEdgeManager.currentTime() < max);<a name="line.255"></a> |
| <span class="sourceLineNo">256</span> lbs = getNamenode(dfs.getClient()).getBlockLocations(src, 0, 1);<a name="line.256"></a> |
| <span class="sourceLineNo">257</span> Assert.assertNotNull("Can't get block locations for " + src, lbs);<a name="line.257"></a> |
| <span class="sourceLineNo">258</span> Assert.assertNotNull(lbs.getLocatedBlocks());<a name="line.258"></a> |
| <span class="sourceLineNo">259</span> Assert.assertTrue(lbs.getLocatedBlocks().size() > 0);<a name="line.259"></a> |
| <span class="sourceLineNo">260</span><a name="line.260"></a> |
| <span class="sourceLineNo">261</span> done = true;<a name="line.261"></a> |
| <span class="sourceLineNo">262</span> for (int y = 0; y < lbs.getLocatedBlocks().size() && done; y++) {<a name="line.262"></a> |
| <span class="sourceLineNo">263</span> done = getLocatedBlockLocations(lbs.get(y)).length == repCount;<a name="line.263"></a> |
| <span class="sourceLineNo">264</span> }<a name="line.264"></a> |
| <span class="sourceLineNo">265</span> } while (!done);<a name="line.265"></a> |
| <span class="sourceLineNo">266</span><a name="line.266"></a> |
| <span class="sourceLineNo">267</span> for (int y = 0; y < lbs.getLocatedBlocks().size() && done; y++) {<a name="line.267"></a> |
| <span class="sourceLineNo">268</span> Assert.assertEquals(localhost,<a name="line.268"></a> |
| <span class="sourceLineNo">269</span> getLocatedBlockLocations(lbs.get(y))[repCount - 1].getHostName());<a name="line.269"></a> |
| <span class="sourceLineNo">270</span> }<a name="line.270"></a> |
| <span class="sourceLineNo">271</span> }<a name="line.271"></a> |
| <span class="sourceLineNo">272</span> }<a name="line.272"></a> |
| <span class="sourceLineNo">273</span><a name="line.273"></a> |
| <span class="sourceLineNo">274</span> private static ClientProtocol getNamenode(DFSClient dfsc) throws Exception {<a name="line.274"></a> |
| <span class="sourceLineNo">275</span> Field nf = DFSClient.class.getDeclaredField("namenode");<a name="line.275"></a> |
| <span class="sourceLineNo">276</span> nf.setAccessible(true);<a name="line.276"></a> |
| <span class="sourceLineNo">277</span> return (ClientProtocol) nf.get(dfsc);<a name="line.277"></a> |
| <span class="sourceLineNo">278</span> }<a name="line.278"></a> |
| <span class="sourceLineNo">279</span><a name="line.279"></a> |
| <span class="sourceLineNo">280</span>}<a name="line.280"></a> |
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| </pre> |
| </div> |
| </body> |
| </html> |
