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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.ipc;<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.ipc.TestProtobufRpcServiceImpl.SERVICE;<a name="line.20"></a> |
| <span class="sourceLineNo">021</span>import static org.apache.hadoop.hbase.ipc.TestProtobufRpcServiceImpl.newBlockingStub;<a name="line.21"></a> |
| <span class="sourceLineNo">022</span>import static org.junit.Assert.assertEquals;<a name="line.22"></a> |
| <span class="sourceLineNo">023</span>import static org.junit.Assert.assertNotNull;<a name="line.23"></a> |
| <span class="sourceLineNo">024</span>import static org.junit.Assert.assertThrows;<a name="line.24"></a> |
| <span class="sourceLineNo">025</span>import static org.junit.Assert.assertTrue;<a name="line.25"></a> |
| <span class="sourceLineNo">026</span><a name="line.26"></a> |
| <span class="sourceLineNo">027</span>import java.io.IOException;<a name="line.27"></a> |
| <span class="sourceLineNo">028</span>import java.net.InetSocketAddress;<a name="line.28"></a> |
| <span class="sourceLineNo">029</span>import java.util.ArrayList;<a name="line.29"></a> |
| <span class="sourceLineNo">030</span>import java.util.List;<a name="line.30"></a> |
| <span class="sourceLineNo">031</span>import java.util.concurrent.CompletableFuture;<a name="line.31"></a> |
| <span class="sourceLineNo">032</span>import java.util.concurrent.CompletionException;<a name="line.32"></a> |
| <span class="sourceLineNo">033</span>import java.util.concurrent.atomic.AtomicInteger;<a name="line.33"></a> |
| <span class="sourceLineNo">034</span>import org.apache.hadoop.conf.Configuration;<a name="line.34"></a> |
| <span class="sourceLineNo">035</span>import org.apache.hadoop.hbase.Cell;<a name="line.35"></a> |
| <span class="sourceLineNo">036</span>import org.apache.hadoop.hbase.CellScanner;<a name="line.36"></a> |
| <span class="sourceLineNo">037</span>import org.apache.hadoop.hbase.CellUtil;<a name="line.37"></a> |
| <span class="sourceLineNo">038</span>import org.apache.hadoop.hbase.CompatibilityFactory;<a name="line.38"></a> |
| <span class="sourceLineNo">039</span>import org.apache.hadoop.hbase.HBaseClassTestRule;<a name="line.39"></a> |
| <span class="sourceLineNo">040</span>import org.apache.hadoop.hbase.HBaseConfiguration;<a name="line.40"></a> |
| <span class="sourceLineNo">041</span>import org.apache.hadoop.hbase.KeyValue;<a name="line.41"></a> |
| <span class="sourceLineNo">042</span>import org.apache.hadoop.hbase.test.MetricsAssertHelper;<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.RPCTests;<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.junit.ClassRule;<a name="line.46"></a> |
| <span class="sourceLineNo">047</span>import org.junit.Test;<a name="line.47"></a> |
| <span class="sourceLineNo">048</span>import org.junit.experimental.categories.Category;<a name="line.48"></a> |
| <span class="sourceLineNo">049</span><a name="line.49"></a> |
| <span class="sourceLineNo">050</span>import org.apache.hbase.thirdparty.com.google.common.collect.Lists;<a name="line.50"></a> |
| <span class="sourceLineNo">051</span>import org.apache.hbase.thirdparty.com.google.protobuf.ServiceException;<a name="line.51"></a> |
| <span class="sourceLineNo">052</span>import org.apache.hbase.thirdparty.io.netty.channel.Channel;<a name="line.52"></a> |
| <span class="sourceLineNo">053</span><a name="line.53"></a> |
| <span class="sourceLineNo">054</span>import org.apache.hadoop.hbase.shaded.ipc.protobuf.generated.TestProtos;<a name="line.54"></a> |
| <span class="sourceLineNo">055</span>import org.apache.hadoop.hbase.shaded.ipc.protobuf.generated.TestRpcServiceProtos;<a name="line.55"></a> |
| <span class="sourceLineNo">056</span><a name="line.56"></a> |
| <span class="sourceLineNo">057</span>@Category({ RPCTests.class, MediumTests.class })<a name="line.57"></a> |
| <span class="sourceLineNo">058</span>public class TestNettyChannelWritability {<a name="line.58"></a> |
| <span class="sourceLineNo">059</span><a name="line.59"></a> |
| <span class="sourceLineNo">060</span> @ClassRule<a name="line.60"></a> |
| <span class="sourceLineNo">061</span> public static final HBaseClassTestRule CLASS_RULE =<a name="line.61"></a> |
| <span class="sourceLineNo">062</span> HBaseClassTestRule.forClass(TestNettyChannelWritability.class);<a name="line.62"></a> |
| <span class="sourceLineNo">063</span><a name="line.63"></a> |
| <span class="sourceLineNo">064</span> private static final MetricsAssertHelper METRICS_ASSERT =<a name="line.64"></a> |
| <span class="sourceLineNo">065</span> CompatibilityFactory.getInstance(MetricsAssertHelper.class);<a name="line.65"></a> |
| <span class="sourceLineNo">066</span><a name="line.66"></a> |
| <span class="sourceLineNo">067</span> private static final byte[] CELL_BYTES = Bytes.toBytes("xyz");<a name="line.67"></a> |
| <span class="sourceLineNo">068</span> private static final KeyValue CELL = new KeyValue(CELL_BYTES, CELL_BYTES, CELL_BYTES, CELL_BYTES);<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> * Test that we properly send configured watermarks to netty, and trigger setWritable when<a name="line.71"></a> |
| <span class="sourceLineNo">072</span> * necessary.<a name="line.72"></a> |
| <span class="sourceLineNo">073</span> */<a name="line.73"></a> |
| <span class="sourceLineNo">074</span> @Test<a name="line.74"></a> |
| <span class="sourceLineNo">075</span> public void testNettyWritableWatermarks() throws Exception {<a name="line.75"></a> |
| <span class="sourceLineNo">076</span> Configuration conf = HBaseConfiguration.create();<a name="line.76"></a> |
| <span class="sourceLineNo">077</span> conf.setInt(NettyRpcServer.CHANNEL_WRITABLE_LOW_WATERMARK_KEY, 1);<a name="line.77"></a> |
| <span class="sourceLineNo">078</span> conf.setInt(NettyRpcServer.CHANNEL_WRITABLE_HIGH_WATERMARK_KEY, 2);<a name="line.78"></a> |
| <span class="sourceLineNo">079</span><a name="line.79"></a> |
| <span class="sourceLineNo">080</span> NettyRpcServer rpcServer = createRpcServer(conf, 0);<a name="line.80"></a> |
| <span class="sourceLineNo">081</span> try {<a name="line.81"></a> |
| <span class="sourceLineNo">082</span> sendAndReceive(conf, rpcServer, 5);<a name="line.82"></a> |
| <span class="sourceLineNo">083</span> METRICS_ASSERT.assertCounterGt("unwritableTime_numOps", 0,<a name="line.83"></a> |
| <span class="sourceLineNo">084</span> rpcServer.metrics.getMetricsSource());<a name="line.84"></a> |
| <span class="sourceLineNo">085</span> } finally {<a name="line.85"></a> |
| <span class="sourceLineNo">086</span> rpcServer.stop();<a name="line.86"></a> |
| <span class="sourceLineNo">087</span> }<a name="line.87"></a> |
| <span class="sourceLineNo">088</span> }<a name="line.88"></a> |
| <span class="sourceLineNo">089</span><a name="line.89"></a> |
| <span class="sourceLineNo">090</span> /**<a name="line.90"></a> |
| <span class="sourceLineNo">091</span> * Test that our fatal watermark is honored, which requires artificially causing some queueing so<a name="line.91"></a> |
| <span class="sourceLineNo">092</span> * that pendingOutboundBytes increases.<a name="line.92"></a> |
| <span class="sourceLineNo">093</span> */<a name="line.93"></a> |
| <span class="sourceLineNo">094</span> @Test<a name="line.94"></a> |
| <span class="sourceLineNo">095</span> public void testNettyWritableFatalThreshold() throws Exception {<a name="line.95"></a> |
| <span class="sourceLineNo">096</span> Configuration conf = HBaseConfiguration.create();<a name="line.96"></a> |
| <span class="sourceLineNo">097</span> conf.setInt(NettyRpcServer.CHANNEL_WRITABLE_FATAL_WATERMARK_KEY, 1);<a name="line.97"></a> |
| <span class="sourceLineNo">098</span><a name="line.98"></a> |
| <span class="sourceLineNo">099</span> // flushAfter is 3 here, with requestCount 5 below. If we never flush, the WriteTasks will sit<a name="line.99"></a> |
| <span class="sourceLineNo">100</span> // in the eventloop. So we flush a few at once, which will ensure that we hit fatal threshold<a name="line.100"></a> |
| <span class="sourceLineNo">101</span> NettyRpcServer rpcServer = createRpcServer(conf, 3);<a name="line.101"></a> |
| <span class="sourceLineNo">102</span> try {<a name="line.102"></a> |
| <span class="sourceLineNo">103</span> CompletionException exception =<a name="line.103"></a> |
| <span class="sourceLineNo">104</span> assertThrows(CompletionException.class, () -> sendAndReceive(conf, rpcServer, 5));<a name="line.104"></a> |
| <span class="sourceLineNo">105</span> assertTrue(exception.getCause().getCause() instanceof ServiceException);<a name="line.105"></a> |
| <span class="sourceLineNo">106</span> METRICS_ASSERT.assertCounterGt("maxOutboundBytesExceeded", 0,<a name="line.106"></a> |
| <span class="sourceLineNo">107</span> rpcServer.metrics.getMetricsSource());<a name="line.107"></a> |
| <span class="sourceLineNo">108</span> } finally {<a name="line.108"></a> |
| <span class="sourceLineNo">109</span> rpcServer.stop();<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><a name="line.112"></a> |
| <span class="sourceLineNo">113</span> private void sendAndReceive(Configuration conf, NettyRpcServer rpcServer, int requestCount)<a name="line.113"></a> |
| <span class="sourceLineNo">114</span> throws Exception {<a name="line.114"></a> |
| <span class="sourceLineNo">115</span> List<Cell> cells = new ArrayList<>();<a name="line.115"></a> |
| <span class="sourceLineNo">116</span> int count = 3;<a name="line.116"></a> |
| <span class="sourceLineNo">117</span> for (int i = 0; i < count; i++) {<a name="line.117"></a> |
| <span class="sourceLineNo">118</span> cells.add(CELL);<a name="line.118"></a> |
| <span class="sourceLineNo">119</span> }<a name="line.119"></a> |
| <span class="sourceLineNo">120</span><a name="line.120"></a> |
| <span class="sourceLineNo">121</span> try (NettyRpcClient client = new NettyRpcClient(conf)) {<a name="line.121"></a> |
| <span class="sourceLineNo">122</span> rpcServer.start();<a name="line.122"></a> |
| <span class="sourceLineNo">123</span> TestRpcServiceProtos.TestProtobufRpcProto.BlockingInterface stub =<a name="line.123"></a> |
| <span class="sourceLineNo">124</span> newBlockingStub(client, rpcServer.getListenerAddress());<a name="line.124"></a> |
| <span class="sourceLineNo">125</span> CompletableFuture<Void>[] futures = new CompletableFuture[requestCount];<a name="line.125"></a> |
| <span class="sourceLineNo">126</span> for (int i = 0; i < requestCount; i++) {<a name="line.126"></a> |
| <span class="sourceLineNo">127</span> futures[i] = CompletableFuture.runAsync(() -> {<a name="line.127"></a> |
| <span class="sourceLineNo">128</span> try {<a name="line.128"></a> |
| <span class="sourceLineNo">129</span> sendMessage(cells, stub);<a name="line.129"></a> |
| <span class="sourceLineNo">130</span> } catch (Exception e) {<a name="line.130"></a> |
| <span class="sourceLineNo">131</span> throw new RuntimeException(e);<a name="line.131"></a> |
| <span class="sourceLineNo">132</span> }<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> CompletableFuture.allOf(futures).join();<a name="line.135"></a> |
| <span class="sourceLineNo">136</span> }<a name="line.136"></a> |
| <span class="sourceLineNo">137</span> }<a name="line.137"></a> |
| <span class="sourceLineNo">138</span><a name="line.138"></a> |
| <span class="sourceLineNo">139</span> private void sendMessage(List<Cell> cells,<a name="line.139"></a> |
| <span class="sourceLineNo">140</span> TestRpcServiceProtos.TestProtobufRpcProto.BlockingInterface stub) throws Exception {<a name="line.140"></a> |
| <span class="sourceLineNo">141</span> HBaseRpcController pcrc = new HBaseRpcControllerImpl(CellUtil.createCellScanner(cells));<a name="line.141"></a> |
| <span class="sourceLineNo">142</span> String message = "hello";<a name="line.142"></a> |
| <span class="sourceLineNo">143</span> assertEquals(message,<a name="line.143"></a> |
| <span class="sourceLineNo">144</span> stub.echo(pcrc, TestProtos.EchoRequestProto.newBuilder().setMessage(message).build())<a name="line.144"></a> |
| <span class="sourceLineNo">145</span> .getMessage());<a name="line.145"></a> |
| <span class="sourceLineNo">146</span> int index = 0;<a name="line.146"></a> |
| <span class="sourceLineNo">147</span> CellScanner cellScanner = pcrc.cellScanner();<a name="line.147"></a> |
| <span class="sourceLineNo">148</span> assertNotNull(cellScanner);<a name="line.148"></a> |
| <span class="sourceLineNo">149</span> while (cellScanner.advance()) {<a name="line.149"></a> |
| <span class="sourceLineNo">150</span> assertEquals(CELL, cellScanner.current());<a name="line.150"></a> |
| <span class="sourceLineNo">151</span> index++;<a name="line.151"></a> |
| <span class="sourceLineNo">152</span> }<a name="line.152"></a> |
| <span class="sourceLineNo">153</span> assertEquals(cells.size(), index);<a name="line.153"></a> |
| <span class="sourceLineNo">154</span> }<a name="line.154"></a> |
| <span class="sourceLineNo">155</span><a name="line.155"></a> |
| <span class="sourceLineNo">156</span> private NettyRpcServer createRpcServer(Configuration conf, int flushAfter) throws IOException {<a name="line.156"></a> |
| <span class="sourceLineNo">157</span> String name = "testRpcServer";<a name="line.157"></a> |
| <span class="sourceLineNo">158</span> ArrayList<RpcServer.BlockingServiceAndInterface> services =<a name="line.158"></a> |
| <span class="sourceLineNo">159</span> Lists.newArrayList(new RpcServer.BlockingServiceAndInterface(SERVICE, null));<a name="line.159"></a> |
| <span class="sourceLineNo">160</span><a name="line.160"></a> |
| <span class="sourceLineNo">161</span> InetSocketAddress bindAddress = new InetSocketAddress("localhost", 0);<a name="line.161"></a> |
| <span class="sourceLineNo">162</span> FifoRpcScheduler scheduler = new FifoRpcScheduler(conf, 1);<a name="line.162"></a> |
| <span class="sourceLineNo">163</span><a name="line.163"></a> |
| <span class="sourceLineNo">164</span> AtomicInteger writeCount = new AtomicInteger(0);<a name="line.164"></a> |
| <span class="sourceLineNo">165</span><a name="line.165"></a> |
| <span class="sourceLineNo">166</span> return new NettyRpcServer(null, name, services, bindAddress, conf, scheduler, true) {<a name="line.166"></a> |
| <span class="sourceLineNo">167</span> @Override<a name="line.167"></a> |
| <span class="sourceLineNo">168</span> protected NettyServerRpcConnection createNettyServerRpcConnection(Channel channel) {<a name="line.168"></a> |
| <span class="sourceLineNo">169</span> return new NettyServerRpcConnection(this, channel) {<a name="line.169"></a> |
| <span class="sourceLineNo">170</span> @Override<a name="line.170"></a> |
| <span class="sourceLineNo">171</span> protected void doRespond(RpcResponse resp) {<a name="line.171"></a> |
| <span class="sourceLineNo">172</span> if (writeCount.incrementAndGet() >= flushAfter) {<a name="line.172"></a> |
| <span class="sourceLineNo">173</span> super.doRespond(resp);<a name="line.173"></a> |
| <span class="sourceLineNo">174</span> } else {<a name="line.174"></a> |
| <span class="sourceLineNo">175</span> channel.write(resp);<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> };<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> }<a name="line.181"></a> |
| <span class="sourceLineNo">182</span>}<a name="line.182"></a> |
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