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a/testdevapidocs/src-html/org/apache/hadoop/hbase/io/asyncfs/TestFanOutOneBlockAsyncDFSOutput.html b/testdevapidocs/src-html/org/apache/hadoop/hbase/io/asyncfs/TestFanOutOneBlockAsyncDFSOutput.html index b6a1730..1868cd9 100644 --- a/testdevapidocs/src-html/org/apache/hadoop/hbase/io/asyncfs/TestFanOutOneBlockAsyncDFSOutput.html +++ b/testdevapidocs/src-html/org/apache/hadoop/hbase/io/asyncfs/TestFanOutOneBlockAsyncDFSOutput.html @@ -43,25 +43,25 @@ <span class="sourceLineNo">035</span>import java.util.concurrent.CompletableFuture;<a name="line.35"></a> <span class="sourceLineNo">036</span>import java.util.concurrent.ExecutionException;<a name="line.36"></a> <span class="sourceLineNo">037</span>import java.util.concurrent.ThreadLocalRandom;<a name="line.37"></a> -<span class="sourceLineNo">038</span><a name="line.38"></a> -<span class="sourceLineNo">039</span>import org.apache.hadoop.fs.FSDataInputStream;<a name="line.39"></a> -<span class="sourceLineNo">040</span>import org.apache.hadoop.fs.FileSystem;<a name="line.40"></a> -<span class="sourceLineNo">041</span>import org.apache.hadoop.fs.Path;<a name="line.41"></a> -<span class="sourceLineNo">042</span>import org.apache.hadoop.hbase.HBaseTestingUtility;<a name="line.42"></a> -<span class="sourceLineNo">043</span>import org.apache.hadoop.hbase.testclassification.MediumTests;<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.hdfs.DistributedFileSystem;<a name="line.45"></a> +<span class="sourceLineNo">038</span>import org.apache.hadoop.fs.FSDataInputStream;<a name="line.38"></a> +<span class="sourceLineNo">039</span>import org.apache.hadoop.fs.FileSystem;<a name="line.39"></a> +<span class="sourceLineNo">040</span>import org.apache.hadoop.fs.Path;<a name="line.40"></a> +<span class="sourceLineNo">041</span>import org.apache.hadoop.hbase.HBaseTestingUtility;<a name="line.41"></a> +<span class="sourceLineNo">042</span>import org.apache.hadoop.hbase.testclassification.MediumTests;<a name="line.42"></a> +<span class="sourceLineNo">043</span>import org.apache.hadoop.hbase.testclassification.MiscTests;<a name="line.43"></a> +<span class="sourceLineNo">044</span>import org.apache.hadoop.hdfs.DistributedFileSystem;<a name="line.44"></a> +<span class="sourceLineNo">045</span>import org.apache.hadoop.hdfs.MiniDFSCluster.DataNodeProperties;<a name="line.45"></a> <span class="sourceLineNo">046</span>import org.apache.hadoop.hdfs.server.datanode.DataNode;<a name="line.46"></a> <span class="sourceLineNo">047</span>import org.apache.hadoop.ipc.RemoteException;<a name="line.47"></a> -<span class="sourceLineNo">048</span>import org.apache.hadoop.util.Daemon;<a name="line.48"></a> -<span class="sourceLineNo">049</span>import org.junit.AfterClass;<a name="line.49"></a> -<span class="sourceLineNo">050</span>import org.junit.BeforeClass;<a name="line.50"></a> -<span class="sourceLineNo">051</span>import org.junit.Rule;<a name="line.51"></a> -<span class="sourceLineNo">052</span>import org.junit.Test;<a name="line.52"></a> -<span class="sourceLineNo">053</span>import org.junit.experimental.categories.Category;<a name="line.53"></a> -<span class="sourceLineNo">054</span>import org.junit.rules.TestName;<a name="line.54"></a> -<span class="sourceLineNo">055</span>import org.slf4j.Logger;<a name="line.55"></a> -<span class="sourceLineNo">056</span>import org.slf4j.LoggerFactory;<a name="line.56"></a> +<span class="sourceLineNo">048</span>import org.junit.AfterClass;<a name="line.48"></a> +<span class="sourceLineNo">049</span>import org.junit.BeforeClass;<a name="line.49"></a> +<span class="sourceLineNo">050</span>import org.junit.Rule;<a name="line.50"></a> +<span class="sourceLineNo">051</span>import org.junit.Test;<a name="line.51"></a> +<span class="sourceLineNo">052</span>import org.junit.experimental.categories.Category;<a name="line.52"></a> +<span class="sourceLineNo">053</span>import org.junit.rules.TestName;<a name="line.53"></a> +<span class="sourceLineNo">054</span>import org.slf4j.Logger;<a name="line.54"></a> +<span class="sourceLineNo">055</span>import org.slf4j.LoggerFactory;<a name="line.55"></a> +<span class="sourceLineNo">056</span><a name="line.56"></a> <span class="sourceLineNo">057</span>import org.apache.hbase.thirdparty.io.netty.channel.Channel;<a name="line.57"></a> <span class="sourceLineNo">058</span>import org.apache.hbase.thirdparty.io.netty.channel.EventLoop;<a name="line.58"></a> <span class="sourceLineNo">059</span>import org.apache.hbase.thirdparty.io.netty.channel.EventLoopGroup;<a name="line.59"></a> @@ -103,175 +103,145 @@ <span class="sourceLineNo">095</span> TEST_UTIL.shutdownMiniDFSCluster();<a name="line.95"></a> <span class="sourceLineNo">096</span> }<a name="line.96"></a> <span class="sourceLineNo">097</span><a name="line.97"></a> -<span class="sourceLineNo">098</span> private void ensureAllDatanodeAlive() throws InterruptedException {<a name="line.98"></a> -<span class="sourceLineNo">099</span> // FanOutOneBlockAsyncDFSOutputHelper.createOutput is fail-fast, so we need to make sure that we<a name="line.99"></a> -<span class="sourceLineNo">100</span> // can create a FanOutOneBlockAsyncDFSOutput after a datanode restarting, otherwise some tests<a name="line.100"></a> -<span class="sourceLineNo">101</span> // will fail.<a name="line.101"></a> -<span class="sourceLineNo">102</span> for (;;) {<a name="line.102"></a> -<span class="sourceLineNo">103</span> try {<a name="line.103"></a> -<span class="sourceLineNo">104</span> FanOutOneBlockAsyncDFSOutput out =<a name="line.104"></a> -<span class="sourceLineNo">105</span> FanOutOneBlockAsyncDFSOutputHelper.createOutput(FS, new Path("/ensureDatanodeAlive"),<a name="line.105"></a> -<span class="sourceLineNo">106</span> true, true, (short) 3, FS.getDefaultBlockSize(), EVENT_LOOP_GROUP, CHANNEL_CLASS);<a name="line.106"></a> -<span class="sourceLineNo">107</span> out.close();<a name="line.107"></a> -<span class="sourceLineNo">108</span> break;<a name="line.108"></a> -<span class="sourceLineNo">109</span> } catch (IOException e) {<a name="line.109"></a> -<span class="sourceLineNo">110</span> Thread.sleep(100);<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><a name="line.114"></a> -<span class="sourceLineNo">115</span> static void writeAndVerify(FileSystem fs, Path f, AsyncFSOutput out)<a name="line.115"></a> -<span class="sourceLineNo">116</span> throws IOException, InterruptedException, ExecutionException {<a name="line.116"></a> -<span class="sourceLineNo">117</span> List<CompletableFuture<Long>> futures = new ArrayList<>();<a name="line.117"></a> -<span class="sourceLineNo">118</span> byte[] b = new byte[10];<a name="line.118"></a> -<span class="sourceLineNo">119</span> Random rand = new Random(12345);<a name="line.119"></a> -<span class="sourceLineNo">120</span> // test pipelined flush<a name="line.120"></a> -<span class="sourceLineNo">121</span> for (int i = 0; i < 10; i++) {<a name="line.121"></a> -<span class="sourceLineNo">122</span> rand.nextBytes(b);<a name="line.122"></a> -<span class="sourceLineNo">123</span> out.write(b);<a name="line.123"></a> -<span class="sourceLineNo">124</span> futures.add(out.flush(false));<a name="line.124"></a> -<span class="sourceLineNo">125</span> futures.add(out.flush(false));<a name="line.125"></a> -<span class="sourceLineNo">126</span> }<a name="line.126"></a> -<span class="sourceLineNo">127</span> for (int i = 0; i < 10; i++) {<a name="line.127"></a> -<span class="sourceLineNo">128</span> assertEquals((i + 1) * b.length, futures.get(2 * i).join().longValue());<a name="line.128"></a> -<span class="sourceLineNo">129</span> assertEquals((i + 1) * b.length, futures.get(2 * i + 1).join().longValue());<a name="line.129"></a> -<span class="sourceLineNo">130</span> }<a name="line.130"></a> -<span class="sourceLineNo">131</span> out.close();<a name="line.131"></a> -<span class="sourceLineNo">132</span> assertEquals(b.length * 10, fs.getFileStatus(f).getLen());<a name="line.132"></a> -<span class="sourceLineNo">133</span> byte[] actual = new byte[b.length];<a name="line.133"></a> -<span class="sourceLineNo">134</span> rand.setSeed(12345);<a name="line.134"></a> -<span class="sourceLineNo">135</span> try (FSDataInputStream in = fs.open(f)) {<a name="line.135"></a> -<span class="sourceLineNo">136</span> for (int i = 0; i < 10; i++) {<a name="line.136"></a> -<span class="sourceLineNo">137</span> in.readFully(actual);<a name="line.137"></a> -<span class="sourceLineNo">138</span> rand.nextBytes(b);<a name="line.138"></a> -<span class="sourceLineNo">139</span> assertArrayEquals(b, actual);<a name="line.139"></a> -<span class="sourceLineNo">140</span> }<a name="line.140"></a> -<span class="sourceLineNo">141</span> assertEquals(-1, in.read());<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><a name="line.144"></a> -<span class="sourceLineNo">145</span> @Test<a name="line.145"></a> -<span class="sourceLineNo">146</span> public void test() throws IOException, InterruptedException, ExecutionException {<a name="line.146"></a> -<span class="sourceLineNo">147</span> Path f = new Path("/" + name.getMethodName());<a name="line.147"></a> -<span class="sourceLineNo">148</span> EventLoop eventLoop = EVENT_LOOP_GROUP.next();<a name="line.148"></a> -<span class="sourceLineNo">149</span> FanOutOneBlockAsyncDFSOutput out = FanOutOneBlockAsyncDFSOutputHelper.createOutput(FS, f, true,<a name="line.149"></a> -<span class="sourceLineNo">150</span> false, (short) 3, FS.getDefaultBlockSize(), eventLoop, CHANNEL_CLASS);<a name="line.150"></a> -<span class="sourceLineNo">151</span> writeAndVerify(FS, f, out);<a name="line.151"></a> -<span class="sourceLineNo">152</span> }<a name="line.152"></a> -<span class="sourceLineNo">153</span><a name="line.153"></a> -<span class="sourceLineNo">154</span> @Test<a name="line.154"></a> -<span class="sourceLineNo">155</span> public void testRecover() throws IOException, InterruptedException, ExecutionException {<a name="line.155"></a> -<span class="sourceLineNo">156</span> Path f = new Path("/" + name.getMethodName());<a name="line.156"></a> -<span class="sourceLineNo">157</span> EventLoop eventLoop = EVENT_LOOP_GROUP.next();<a name="line.157"></a> -<span class="sourceLineNo">158</span> FanOutOneBlockAsyncDFSOutput out = FanOutOneBlockAsyncDFSOutputHelper.createOutput(FS, f, true,<a name="line.158"></a> -<span class="sourceLineNo">159</span> false, (short) 3, FS.getDefaultBlockSize(), eventLoop, CHANNEL_CLASS);<a name="line.159"></a> -<span class="sourceLineNo">160</span> byte[] b = new byte[10];<a name="line.160"></a> -<span class="sourceLineNo">161</span> ThreadLocalRandom.current().nextBytes(b);<a name="line.161"></a> -<span class="sourceLineNo">162</span> out.write(b, 0, b.length);<a name="line.162"></a> -<span class="sourceLineNo">163</span> out.flush(false).get();<a name="line.163"></a> -<span class="sourceLineNo">164</span> // restart one datanode which causes one connection broken<a name="line.164"></a> -<span class="sourceLineNo">165</span> TEST_UTIL.getDFSCluster().restartDataNode(0);<a name="line.165"></a> -<span class="sourceLineNo">166</span> try {<a name="line.166"></a> -<span class="sourceLineNo">167</span> out.write(b, 0, b.length);<a name="line.167"></a> -<span class="sourceLineNo">168</span> try {<a name="line.168"></a> -<span class="sourceLineNo">169</span> out.flush(false).get();<a name="line.169"></a> -<span class="sourceLineNo">170</span> fail("flush should fail");<a name="line.170"></a> -<span class="sourceLineNo">171</span> } catch (ExecutionException e) {<a name="line.171"></a> -<span class="sourceLineNo">172</span> // we restarted one datanode so the flush should fail<a name="line.172"></a> -<span class="sourceLineNo">173</span> LOG.info("expected exception caught", e);<a name="line.173"></a> -<span class="sourceLineNo">174</span> }<a name="line.174"></a> -<span class="sourceLineNo">175</span> out.recoverAndClose(null);<a name="line.175"></a> -<span class="sourceLineNo">176</span> assertEquals(b.length, FS.getFileStatus(f).getLen());<a name="line.176"></a> -<span class="sourceLineNo">177</span> byte[] actual = new byte[b.length];<a name="line.177"></a> -<span class="sourceLineNo">178</span> try (FSDataInputStream in = FS.open(f)) {<a name="line.178"></a> -<span class="sourceLineNo">179</span> in.readFully(actual);<a 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class="sourceLineNo">191</span> FanOutOneBlockAsyncDFSOutput out = FanOutOneBlockAsyncDFSOutputHelper.createOutput(FS, f, true,<a name="line.191"></a> -<span class="sourceLineNo">192</span> false, (short) 3, FS.getDefaultBlockSize(), eventLoop, CHANNEL_CLASS);<a name="line.192"></a> -<span class="sourceLineNo">193</span> Thread.sleep(READ_TIMEOUT_MS * 2);<a name="line.193"></a> -<span class="sourceLineNo">194</span> // the connection to datanode should still alive.<a name="line.194"></a> -<span class="sourceLineNo">195</span> writeAndVerify(FS, f, out);<a name="line.195"></a> -<span class="sourceLineNo">196</span> }<a name="line.196"></a> -<span class="sourceLineNo">197</span><a name="line.197"></a> -<span class="sourceLineNo">198</span> /**<a name="line.198"></a> -<span class="sourceLineNo">199</span> * This is important for fencing when recover from RS crash.<a name="line.199"></a> -<span class="sourceLineNo">200</span> */<a name="line.200"></a> -<span class="sourceLineNo">201</span> @Test<a name="line.201"></a> -<span class="sourceLineNo">202</span> public void testCreateParentFailed() throws IOException {<a name="line.202"></a> -<span class="sourceLineNo">203</span> Path f = new Path("/" + name.getMethodName() + "/test");<a name="line.203"></a> -<span class="sourceLineNo">204</span> EventLoop eventLoop = EVENT_LOOP_GROUP.next();<a name="line.204"></a> -<span class="sourceLineNo">205</span> try {<a name="line.205"></a> -<span class="sourceLineNo">206</span> FanOutOneBlockAsyncDFSOutputHelper.createOutput(FS, f, true, false, (short) 3,<a name="line.206"></a> -<span class="sourceLineNo">207</span> FS.getDefaultBlockSize(), eventLoop, CHANNEL_CLASS);<a name="line.207"></a> -<span class="sourceLineNo">208</span> fail("should fail with parent does not exist");<a name="line.208"></a> -<span class="sourceLineNo">209</span> } catch (RemoteException e) {<a name="line.209"></a> -<span class="sourceLineNo">210</span> LOG.info("expected exception caught", e);<a name="line.210"></a> -<span class="sourceLineNo">211</span> assertThat(e.unwrapRemoteException(), instanceOf(FileNotFoundException.class));<a name="line.211"></a> -<span class="sourceLineNo">212</span> }<a name="line.212"></a> -<span class="sourceLineNo">213</span> }<a name="line.213"></a> -<span class="sourceLineNo">214</span><a name="line.214"></a> -<span class="sourceLineNo">215</span> @Test<a name="line.215"></a> -<span class="sourceLineNo">216</span> public void testConnectToDatanodeFailed()<a name="line.216"></a> -<span class="sourceLineNo">217</span> throws IOException, ClassNotFoundException, NoSuchMethodException, IllegalAccessException,<a name="line.217"></a> -<span class="sourceLineNo">218</span> InvocationTargetException, InterruptedException, NoSuchFieldException {<a name="line.218"></a> -<span class="sourceLineNo">219</span> Field xceiverServerDaemonField = DataNode.class.getDeclaredField("dataXceiverServer");<a name="line.219"></a> -<span class="sourceLineNo">220</span> xceiverServerDaemonField.setAccessible(true);<a name="line.220"></a> -<span class="sourceLineNo">221</span> Class<?> xceiverServerClass =<a name="line.221"></a> -<span class="sourceLineNo">222</span> Class.forName("org.apache.hadoop.hdfs.server.datanode.DataXceiverServer");<a name="line.222"></a> -<span class="sourceLineNo">223</span> Method numPeersMethod = xceiverServerClass.getDeclaredMethod("getNumPeers");<a name="line.223"></a> -<span class="sourceLineNo">224</span> numPeersMethod.setAccessible(true);<a name="line.224"></a> -<span class="sourceLineNo">225</span> // make one datanode broken<a name="line.225"></a> -<span class="sourceLineNo">226</span> TEST_UTIL.getDFSCluster().getDataNodes().get(0).shutdownDatanode(true);<a name="line.226"></a> -<span class="sourceLineNo">227</span> try {<a name="line.227"></a> -<span class="sourceLineNo">228</span> Path f = new Path("/test");<a name="line.228"></a> -<span class="sourceLineNo">229</span> EventLoop eventLoop = EVENT_LOOP_GROUP.next();<a name="line.229"></a> -<span class="sourceLineNo">230</span> try {<a name="line.230"></a> -<span class="sourceLineNo">231</span> FanOutOneBlockAsyncDFSOutputHelper.createOutput(FS, f, true, false, (short) 3,<a name="line.231"></a> -<span class="sourceLineNo">232</span> FS.getDefaultBlockSize(), eventLoop, CHANNEL_CLASS);<a name="line.232"></a> -<span class="sourceLineNo">233</span> fail("should fail with connection error");<a name="line.233"></a> -<span class="sourceLineNo">234</span> } catch (IOException e) {<a name="line.234"></a> -<span class="sourceLineNo">235</span> LOG.info("expected exception caught", e);<a name="line.235"></a> -<span class="sourceLineNo">236</span> }<a name="line.236"></a> -<span class="sourceLineNo">237</span> for (DataNode dn : TEST_UTIL.getDFSCluster().getDataNodes()) {<a name="line.237"></a> -<span class="sourceLineNo">238</span> Daemon daemon = (Daemon) xceiverServerDaemonField.get(dn);<a name="line.238"></a> -<span class="sourceLineNo">239</span> assertEquals(0, numPeersMethod.invoke(daemon.getRunnable()));<a name="line.239"></a> -<span class="sourceLineNo">240</span> }<a name="line.240"></a> -<span class="sourceLineNo">241</span> } finally {<a name="line.241"></a> -<span class="sourceLineNo">242</span> TEST_UTIL.getDFSCluster().restartDataNode(0);<a name="line.242"></a> -<span class="sourceLineNo">243</span> ensureAllDatanodeAlive();<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><a name="line.246"></a> -<span class="sourceLineNo">247</span> @Test<a name="line.247"></a> -<span class="sourceLineNo">248</span> public void testWriteLargeChunk() throws IOException, InterruptedException, ExecutionException {<a name="line.248"></a> -<span class="sourceLineNo">249</span> Path f = new Path("/" + name.getMethodName());<a name="line.249"></a> -<span class="sourceLineNo">250</span> EventLoop eventLoop = EVENT_LOOP_GROUP.next();<a name="line.250"></a> -<span class="sourceLineNo">251</span> FanOutOneBlockAsyncDFSOutput out = FanOutOneBlockAsyncDFSOutputHelper.createOutput(FS, f, true,<a name="line.251"></a> -<span class="sourceLineNo">252</span> false, (short) 3, 1024 * 1024 * 1024, eventLoop, CHANNEL_CLASS);<a name="line.252"></a> -<span class="sourceLineNo">253</span> byte[] b = new byte[50 * 1024 * 1024];<a name="line.253"></a> -<span class="sourceLineNo">254</span> ThreadLocalRandom.current().nextBytes(b);<a name="line.254"></a> -<span class="sourceLineNo">255</span> out.write(b);<a name="line.255"></a> -<span class="sourceLineNo">256</span> out.flush(false);<a name="line.256"></a> -<span class="sourceLineNo">257</span> assertEquals(b.length, out.flush(false).get().longValue());<a name="line.257"></a> -<span class="sourceLineNo">258</span> out.close();<a name="line.258"></a> -<span class="sourceLineNo">259</span> assertEquals(b.length, FS.getFileStatus(f).getLen());<a name="line.259"></a> -<span class="sourceLineNo">260</span> byte[] actual = new byte[b.length];<a name="line.260"></a> -<span class="sourceLineNo">261</span> try (FSDataInputStream in = FS.open(f)) {<a name="line.261"></a> -<span class="sourceLineNo">262</span> in.readFully(actual);<a name="line.262"></a> -<span class="sourceLineNo">263</span> }<a name="line.263"></a> -<span class="sourceLineNo">264</span> assertArrayEquals(b, actual);<a name="line.264"></a> -<span class="sourceLineNo">265</span> }<a name="line.265"></a> -<span class="sourceLineNo">266</span>}<a name="line.266"></a> +<span class="sourceLineNo">098</span> static void writeAndVerify(FileSystem fs, Path f, AsyncFSOutput out)<a name="line.98"></a> +<span class="sourceLineNo">099</span> throws IOException, InterruptedException, ExecutionException {<a name="line.99"></a> +<span class="sourceLineNo">100</span> List<CompletableFuture<Long>> futures = new ArrayList<>();<a name="line.100"></a> +<span class="sourceLineNo">101</span> byte[] b = new byte[10];<a name="line.101"></a> +<span class="sourceLineNo">102</span> Random rand = new Random(12345);<a name="line.102"></a> +<span class="sourceLineNo">103</span> // test pipelined flush<a name="line.103"></a> +<span class="sourceLineNo">104</span> for (int i = 0; i < 10; i++) {<a name="line.104"></a> +<span class="sourceLineNo">105</span> rand.nextBytes(b);<a name="line.105"></a> +<span class="sourceLineNo">106</span> out.write(b);<a name="line.106"></a> +<span class="sourceLineNo">107</span> futures.add(out.flush(false));<a name="line.107"></a> +<span class="sourceLineNo">108</span> futures.add(out.flush(false));<a name="line.108"></a> +<span class="sourceLineNo">109</span> }<a name="line.109"></a> +<span class="sourceLineNo">110</span> for (int i = 0; i < 10; i++) {<a name="line.110"></a> +<span class="sourceLineNo">111</span> assertEquals((i + 1) * b.length, futures.get(2 * i).join().longValue());<a name="line.111"></a> +<span class="sourceLineNo">112</span> assertEquals((i + 1) * b.length, futures.get(2 * i + 1).join().longValue());<a name="line.112"></a> +<span class="sourceLineNo">113</span> }<a name="line.113"></a> +<span class="sourceLineNo">114</span> out.close();<a name="line.114"></a> +<span class="sourceLineNo">115</span> assertEquals(b.length * 10, fs.getFileStatus(f).getLen());<a name="line.115"></a> +<span class="sourceLineNo">116</span> byte[] actual = new byte[b.length];<a name="line.116"></a> +<span class="sourceLineNo">117</span> rand.setSeed(12345);<a name="line.117"></a> +<span class="sourceLineNo">118</span> try (FSDataInputStream in = fs.open(f)) {<a name="line.118"></a> +<span class="sourceLineNo">119</span> for (int i = 0; i < 10; i++) {<a name="line.119"></a> +<span class="sourceLineNo">120</span> in.readFully(actual);<a name="line.120"></a> +<span class="sourceLineNo">121</span> rand.nextBytes(b);<a name="line.121"></a> +<span class="sourceLineNo">122</span> assertArrayEquals(b, actual);<a name="line.122"></a> +<span class="sourceLineNo">123</span> }<a name="line.123"></a> +<span class="sourceLineNo">124</span> assertEquals(-1, in.read());<a name="line.124"></a> +<span class="sourceLineNo">125</span> }<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> @Test<a name="line.128"></a> +<span class="sourceLineNo">129</span> public void test() throws IOException, InterruptedException, ExecutionException {<a name="line.129"></a> +<span class="sourceLineNo">130</span> Path f = new Path("/" + name.getMethodName());<a name="line.130"></a> +<span class="sourceLineNo">131</span> EventLoop eventLoop = EVENT_LOOP_GROUP.next();<a name="line.131"></a> +<span class="sourceLineNo">132</span> FanOutOneBlockAsyncDFSOutput out = FanOutOneBlockAsyncDFSOutputHelper.createOutput(FS, f, true,<a name="line.132"></a> +<span class="sourceLineNo">133</span> false, (short) 3, FS.getDefaultBlockSize(), eventLoop, CHANNEL_CLASS);<a name="line.133"></a> +<span class="sourceLineNo">134</span> writeAndVerify(FS, f, out);<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> @Test<a name="line.137"></a> +<span class="sourceLineNo">138</span> public void testRecover() throws IOException, InterruptedException, ExecutionException {<a name="line.138"></a> +<span class="sourceLineNo">139</span> Path f = new Path("/" + name.getMethodName());<a name="line.139"></a> +<span class="sourceLineNo">140</span> EventLoop eventLoop = EVENT_LOOP_GROUP.next();<a name="line.140"></a> +<span class="sourceLineNo">141</span> FanOutOneBlockAsyncDFSOutput out = FanOutOneBlockAsyncDFSOutputHelper.createOutput(FS, f, true,<a name="line.141"></a> +<span class="sourceLineNo">142</span> false, (short) 3, FS.getDefaultBlockSize(), eventLoop, CHANNEL_CLASS);<a name="line.142"></a> +<span class="sourceLineNo">143</span> byte[] b = new byte[10];<a name="line.143"></a> +<span class="sourceLineNo">144</span> ThreadLocalRandom.current().nextBytes(b);<a name="line.144"></a> +<span class="sourceLineNo">145</span> out.write(b, 0, b.length);<a name="line.145"></a> +<span class="sourceLineNo">146</span> out.flush(false).get();<a name="line.146"></a> +<span class="sourceLineNo">147</span> // restart one datanode which causes one connection broken<a name="line.147"></a> +<span class="sourceLineNo">148</span> TEST_UTIL.getDFSCluster().restartDataNode(0);<a name="line.148"></a> +<span class="sourceLineNo">149</span> out.write(b, 0, b.length);<a name="line.149"></a> +<span class="sourceLineNo">150</span> try {<a name="line.150"></a> +<span class="sourceLineNo">151</span> out.flush(false).get();<a name="line.151"></a> +<span class="sourceLineNo">152</span> fail("flush should fail");<a name="line.152"></a> +<span class="sourceLineNo">153</span> } catch (ExecutionException e) {<a name="line.153"></a> +<span class="sourceLineNo">154</span> // we restarted one datanode so the flush should fail<a name="line.154"></a> +<span class="sourceLineNo">155</span> LOG.info("expected exception caught", e);<a name="line.155"></a> +<span class="sourceLineNo">156</span> }<a name="line.156"></a> +<span class="sourceLineNo">157</span> out.recoverAndClose(null);<a name="line.157"></a> +<span class="sourceLineNo">158</span> assertEquals(b.length, FS.getFileStatus(f).getLen());<a name="line.158"></a> +<span class="sourceLineNo">159</span> byte[] actual = new byte[b.length];<a name="line.159"></a> +<span class="sourceLineNo">160</span> try (FSDataInputStream in = FS.open(f)) {<a name="line.160"></a> +<span class="sourceLineNo">161</span> in.readFully(actual);<a name="line.161"></a> +<span class="sourceLineNo">162</span> }<a name="line.162"></a> +<span class="sourceLineNo">163</span> assertArrayEquals(b, actual);<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> @Test<a name="line.166"></a> +<span class="sourceLineNo">167</span> public void testHeartbeat() throws IOException, InterruptedException, ExecutionException {<a name="line.167"></a> +<span class="sourceLineNo">168</span> Path f = new Path("/" + name.getMethodName());<a name="line.168"></a> +<span class="sourceLineNo">169</span> EventLoop eventLoop = EVENT_LOOP_GROUP.next();<a name="line.169"></a> +<span class="sourceLineNo">170</span> FanOutOneBlockAsyncDFSOutput out = FanOutOneBlockAsyncDFSOutputHelper.createOutput(FS, f, true,<a name="line.170"></a> +<span class="sourceLineNo">171</span> false, (short) 3, FS.getDefaultBlockSize(), eventLoop, CHANNEL_CLASS);<a name="line.171"></a> +<span class="sourceLineNo">172</span> Thread.sleep(READ_TIMEOUT_MS * 2);<a name="line.172"></a> +<span class="sourceLineNo">173</span> // the connection to datanode should still alive.<a name="line.173"></a> +<span class="sourceLineNo">174</span> writeAndVerify(FS, f, out);<a name="line.174"></a> +<span class="sourceLineNo">175</span> }<a name="line.175"></a> +<span class="sourceLineNo">176</span><a name="line.176"></a> +<span class="sourceLineNo">177</span> /**<a name="line.177"></a> +<span class="sourceLineNo">178</span> * This is important for fencing when recover from RS crash.<a name="line.178"></a> +<span class="sourceLineNo">179</span> */<a name="line.179"></a> +<span class="sourceLineNo">180</span> @Test<a name="line.180"></a> +<span class="sourceLineNo">181</span> public void testCreateParentFailed() throws IOException {<a name="line.181"></a> +<span class="sourceLineNo">182</span> Path f = new Path("/" + name.getMethodName() + "/test");<a name="line.182"></a> +<span class="sourceLineNo">183</span> EventLoop eventLoop = EVENT_LOOP_GROUP.next();<a name="line.183"></a> +<span class="sourceLineNo">184</span> try {<a name="line.184"></a> +<span class="sourceLineNo">185</span> FanOutOneBlockAsyncDFSOutputHelper.createOutput(FS, f, true, false, (short) 3,<a name="line.185"></a> +<span class="sourceLineNo">186</span> FS.getDefaultBlockSize(), eventLoop, CHANNEL_CLASS);<a name="line.186"></a> +<span class="sourceLineNo">187</span> fail("should fail with parent does not exist");<a name="line.187"></a> +<span class="sourceLineNo">188</span> } catch (RemoteException e) {<a name="line.188"></a> +<span class="sourceLineNo">189</span> LOG.info("expected exception caught", e);<a name="line.189"></a> +<span class="sourceLineNo">190</span> assertThat(e.unwrapRemoteException(), instanceOf(FileNotFoundException.class));<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 testConnectToDatanodeFailed()<a name="line.195"></a> +<span class="sourceLineNo">196</span> throws IOException, ClassNotFoundException, NoSuchMethodException, IllegalAccessException,<a name="line.196"></a> +<span class="sourceLineNo">197</span> InvocationTargetException, InterruptedException, NoSuchFieldException {<a name="line.197"></a> +<span class="sourceLineNo">198</span> Field xceiverServerDaemonField = DataNode.class.getDeclaredField("dataXceiverServer");<a name="line.198"></a> +<span class="sourceLineNo">199</span> xceiverServerDaemonField.setAccessible(true);<a name="line.199"></a> +<span class="sourceLineNo">200</span> Class<?> xceiverServerClass =<a name="line.200"></a> +<span class="sourceLineNo">201</span> Class.forName("org.apache.hadoop.hdfs.server.datanode.DataXceiverServer");<a name="line.201"></a> +<span class="sourceLineNo">202</span> Method numPeersMethod = xceiverServerClass.getDeclaredMethod("getNumPeers");<a name="line.202"></a> +<span class="sourceLineNo">203</span> numPeersMethod.setAccessible(true);<a name="line.203"></a> +<span class="sourceLineNo">204</span> // make one datanode broken<a name="line.204"></a> +<span class="sourceLineNo">205</span> DataNodeProperties dnProp = TEST_UTIL.getDFSCluster().stopDataNode(0);<a name="line.205"></a> +<span class="sourceLineNo">206</span> Path f = new Path("/test");<a name="line.206"></a> +<span class="sourceLineNo">207</span> EventLoop eventLoop = EVENT_LOOP_GROUP.next();<a name="line.207"></a> +<span class="sourceLineNo">208</span> try (FanOutOneBlockAsyncDFSOutput output = FanOutOneBlockAsyncDFSOutputHelper.createOutput(FS,<a name="line.208"></a> +<span class="sourceLineNo">209</span> f, true, false, (short) 3, FS.getDefaultBlockSize(), eventLoop, CHANNEL_CLASS)) {<a name="line.209"></a> +<span class="sourceLineNo">210</span> // should exclude the dead dn when retry so here we only have 2 DNs in pipeline<a name="line.210"></a> +<span class="sourceLineNo">211</span> assertEquals(2, output.getPipeline().length);<a name="line.211"></a> +<span class="sourceLineNo">212</span> } finally {<a name="line.212"></a> +<span class="sourceLineNo">213</span> TEST_UTIL.getDFSCluster().restartDataNode(dnProp);<a name="line.213"></a> +<span class="sourceLineNo">214</span> }<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> @Test<a name="line.217"></a> +<span class="sourceLineNo">218</span> public void testWriteLargeChunk() throws IOException, InterruptedException, ExecutionException {<a name="line.218"></a> +<span class="sourceLineNo">219</span> Path f = new Path("/" + name.getMethodName());<a name="line.219"></a> +<span class="sourceLineNo">220</span> EventLoop eventLoop = EVENT_LOOP_GROUP.next();<a name="line.220"></a> +<span class="sourceLineNo">221</span> FanOutOneBlockAsyncDFSOutput out = FanOutOneBlockAsyncDFSOutputHelper.createOutput(FS, f, true,<a name="line.221"></a> +<span class="sourceLineNo">222</span> false, (short) 3, 1024 * 1024 * 1024, eventLoop, CHANNEL_CLASS);<a name="line.222"></a> +<span class="sourceLineNo">223</span> byte[] b = new byte[50 * 1024 * 1024];<a name="line.223"></a> +<span class="sourceLineNo">224</span> ThreadLocalRandom.current().nextBytes(b);<a name="line.224"></a> +<span class="sourceLineNo">225</span> out.write(b);<a name="line.225"></a> +<span class="sourceLineNo">226</span> out.flush(false);<a name="line.226"></a> +<span class="sourceLineNo">227</span> assertEquals(b.length, out.flush(false).get().longValue());<a name="line.227"></a> +<span class="sourceLineNo">228</span> out.close();<a name="line.228"></a> +<span class="sourceLineNo">229</span> assertEquals(b.length, FS.getFileStatus(f).getLen());<a name="line.229"></a> +<span class="sourceLineNo">230</span> byte[] actual = new byte[b.length];<a name="line.230"></a> +<span class="sourceLineNo">231</span> try (FSDataInputStream in = FS.open(f)) {<a name="line.231"></a> +<span class="sourceLineNo">232</span> in.readFully(actual);<a name="line.232"></a> +<span class="sourceLineNo">233</span> }<a name="line.233"></a> +<span class="sourceLineNo">234</span> assertArrayEquals(b, actual);<a name="line.234"></a> +<span class="sourceLineNo">235</span> }<a name="line.235"></a> +<span class="sourceLineNo">236</span>}<a name="line.236"></a>
