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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.client;<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.client.AsyncConnectionConfiguration.HBASE_CLIENT_PAUSE_FOR_SERVER_OVERLOADED;<a name="line.20"></a> |
| <span class="sourceLineNo">021</span>import static org.junit.Assert.assertArrayEquals;<a name="line.21"></a> |
| <span class="sourceLineNo">022</span>import static org.junit.Assert.assertNull;<a name="line.22"></a> |
| <span class="sourceLineNo">023</span>import static org.junit.Assert.assertTrue;<a name="line.23"></a> |
| <span class="sourceLineNo">024</span><a name="line.24"></a> |
| <span class="sourceLineNo">025</span>import java.io.IOException;<a name="line.25"></a> |
| <span class="sourceLineNo">026</span>import java.util.ArrayList;<a name="line.26"></a> |
| <span class="sourceLineNo">027</span>import java.util.List;<a name="line.27"></a> |
| <span class="sourceLineNo">028</span>import java.util.concurrent.Callable;<a name="line.28"></a> |
| <span class="sourceLineNo">029</span>import java.util.concurrent.CompletableFuture;<a name="line.29"></a> |
| <span class="sourceLineNo">030</span>import java.util.concurrent.ConcurrentHashMap;<a name="line.30"></a> |
| <span class="sourceLineNo">031</span>import java.util.concurrent.ConcurrentMap;<a name="line.31"></a> |
| <span class="sourceLineNo">032</span>import java.util.concurrent.TimeUnit;<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.Abortable;<a name="line.35"></a> |
| <span class="sourceLineNo">036</span>import org.apache.hadoop.hbase.HBaseClassTestRule;<a name="line.36"></a> |
| <span class="sourceLineNo">037</span>import org.apache.hadoop.hbase.HBaseTestingUtil;<a name="line.37"></a> |
| <span class="sourceLineNo">038</span>import org.apache.hadoop.hbase.HConstants;<a name="line.38"></a> |
| <span class="sourceLineNo">039</span>import org.apache.hadoop.hbase.TableName;<a name="line.39"></a> |
| <span class="sourceLineNo">040</span>import org.apache.hadoop.hbase.ipc.CallRunner;<a name="line.40"></a> |
| <span class="sourceLineNo">041</span>import org.apache.hadoop.hbase.ipc.PluggableBlockingQueue;<a name="line.41"></a> |
| <span class="sourceLineNo">042</span>import org.apache.hadoop.hbase.ipc.PriorityFunction;<a name="line.42"></a> |
| <span class="sourceLineNo">043</span>import org.apache.hadoop.hbase.ipc.RpcScheduler;<a name="line.43"></a> |
| <span class="sourceLineNo">044</span>import org.apache.hadoop.hbase.ipc.SimpleRpcScheduler;<a name="line.44"></a> |
| <span class="sourceLineNo">045</span>import org.apache.hadoop.hbase.ipc.TestPluggableQueueImpl;<a name="line.45"></a> |
| <span class="sourceLineNo">046</span>import org.apache.hadoop.hbase.regionserver.RSRpcServices;<a name="line.46"></a> |
| <span class="sourceLineNo">047</span>import org.apache.hadoop.hbase.regionserver.RpcSchedulerFactory;<a name="line.47"></a> |
| <span class="sourceLineNo">048</span>import org.apache.hadoop.hbase.regionserver.SimpleRpcSchedulerFactory;<a name="line.48"></a> |
| <span class="sourceLineNo">049</span>import org.apache.hadoop.hbase.testclassification.ClientTests;<a name="line.49"></a> |
| <span class="sourceLineNo">050</span>import org.apache.hadoop.hbase.testclassification.MediumTests;<a name="line.50"></a> |
| <span class="sourceLineNo">051</span>import org.apache.hadoop.hbase.util.Bytes;<a name="line.51"></a> |
| <span class="sourceLineNo">052</span>import org.junit.After;<a name="line.52"></a> |
| <span class="sourceLineNo">053</span>import org.junit.AfterClass;<a name="line.53"></a> |
| <span class="sourceLineNo">054</span>import org.junit.Before;<a name="line.54"></a> |
| <span class="sourceLineNo">055</span>import org.junit.BeforeClass;<a name="line.55"></a> |
| <span class="sourceLineNo">056</span>import org.junit.ClassRule;<a name="line.56"></a> |
| <span class="sourceLineNo">057</span>import org.junit.Test;<a name="line.57"></a> |
| <span class="sourceLineNo">058</span>import org.junit.experimental.categories.Category;<a name="line.58"></a> |
| <span class="sourceLineNo">059</span><a name="line.59"></a> |
| <span class="sourceLineNo">060</span>import org.apache.hbase.thirdparty.com.google.common.io.Closeables;<a name="line.60"></a> |
| <span class="sourceLineNo">061</span>import org.apache.hbase.thirdparty.com.google.protobuf.Descriptors.MethodDescriptor;<a name="line.61"></a> |
| <span class="sourceLineNo">062</span><a name="line.62"></a> |
| <span class="sourceLineNo">063</span>@Category({ MediumTests.class, ClientTests.class })<a name="line.63"></a> |
| <span class="sourceLineNo">064</span>public class TestAsyncClientPauseForServerOverloaded {<a name="line.64"></a> |
| <span class="sourceLineNo">065</span><a name="line.65"></a> |
| <span class="sourceLineNo">066</span> @ClassRule<a name="line.66"></a> |
| <span class="sourceLineNo">067</span> public static final HBaseClassTestRule CLASS_RULE =<a name="line.67"></a> |
| <span class="sourceLineNo">068</span> HBaseClassTestRule.forClass(TestAsyncClientPauseForServerOverloaded.class);<a name="line.68"></a> |
| <span class="sourceLineNo">069</span><a name="line.69"></a> |
| <span class="sourceLineNo">070</span> private static final HBaseTestingUtil UTIL = new HBaseTestingUtil();<a name="line.70"></a> |
| <span class="sourceLineNo">071</span><a name="line.71"></a> |
| <span class="sourceLineNo">072</span> private static TableName TABLE_NAME = TableName.valueOf("ServerOverloaded");<a name="line.72"></a> |
| <span class="sourceLineNo">073</span><a name="line.73"></a> |
| <span class="sourceLineNo">074</span> private static byte[] FAMILY = Bytes.toBytes("Family");<a name="line.74"></a> |
| <span class="sourceLineNo">075</span><a name="line.75"></a> |
| <span class="sourceLineNo">076</span> private static byte[] QUALIFIER = Bytes.toBytes("Qualifier");<a name="line.76"></a> |
| <span class="sourceLineNo">077</span><a name="line.77"></a> |
| <span class="sourceLineNo">078</span> private static long PAUSE_FOR_SERVER_OVERLOADED_NANOS = TimeUnit.SECONDS.toNanos(1);<a name="line.78"></a> |
| <span class="sourceLineNo">079</span> private static long PAUSE_FOR_SERVER_OVERLOADED_MILLIS =<a name="line.79"></a> |
| <span class="sourceLineNo">080</span> TimeUnit.NANOSECONDS.toMillis(PAUSE_FOR_SERVER_OVERLOADED_NANOS);<a name="line.80"></a> |
| <span class="sourceLineNo">081</span><a name="line.81"></a> |
| <span class="sourceLineNo">082</span> private static AsyncConnection CONN;<a name="line.82"></a> |
| <span class="sourceLineNo">083</span><a name="line.83"></a> |
| <span class="sourceLineNo">084</span> private static volatile FailMode MODE = null;<a name="line.84"></a> |
| <span class="sourceLineNo">085</span><a name="line.85"></a> |
| <span class="sourceLineNo">086</span> enum FailMode {<a name="line.86"></a> |
| <span class="sourceLineNo">087</span> CALL_QUEUE_TOO_BIG,<a name="line.87"></a> |
| <span class="sourceLineNo">088</span> CALL_DROPPED;<a name="line.88"></a> |
| <span class="sourceLineNo">089</span><a name="line.89"></a> |
| <span class="sourceLineNo">090</span> private ConcurrentMap<MethodDescriptor, AtomicInteger> invoked = new ConcurrentHashMap<>();<a name="line.90"></a> |
| <span class="sourceLineNo">091</span><a name="line.91"></a> |
| <span class="sourceLineNo">092</span> // this is for test scan, where we will send a open scanner first and then a next, and we<a name="line.92"></a> |
| <span class="sourceLineNo">093</span> // expect that we hit CQTBE two times.<a name="line.93"></a> |
| <span class="sourceLineNo">094</span> private boolean shouldFail(CallRunner callRunner) {<a name="line.94"></a> |
| <span class="sourceLineNo">095</span> MethodDescriptor method = callRunner.getRpcCall().getMethod();<a name="line.95"></a> |
| <span class="sourceLineNo">096</span> return invoked.computeIfAbsent(method, k -> new AtomicInteger(0)).getAndIncrement() % 2 == 0;<a name="line.96"></a> |
| <span class="sourceLineNo">097</span> }<a name="line.97"></a> |
| <span class="sourceLineNo">098</span> }<a name="line.98"></a> |
| <span class="sourceLineNo">099</span><a name="line.99"></a> |
| <span class="sourceLineNo">100</span> public static final class OverloadedRpcScheduler extends SimpleRpcScheduler {<a name="line.100"></a> |
| <span class="sourceLineNo">101</span><a name="line.101"></a> |
| <span class="sourceLineNo">102</span> public OverloadedRpcScheduler(Configuration conf, int handlerCount, int priorityHandlerCount,<a name="line.102"></a> |
| <span class="sourceLineNo">103</span> int replicationHandlerCount, int metaTransitionHandler, PriorityFunction priority,<a name="line.103"></a> |
| <span class="sourceLineNo">104</span> Abortable server, int highPriorityLevel) {<a name="line.104"></a> |
| <span class="sourceLineNo">105</span> super(conf, handlerCount, priorityHandlerCount, replicationHandlerCount,<a name="line.105"></a> |
| <span class="sourceLineNo">106</span> metaTransitionHandler, priority, server, highPriorityLevel);<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> @Override<a name="line.109"></a> |
| <span class="sourceLineNo">110</span> public boolean dispatch(CallRunner callTask) {<a name="line.110"></a> |
| <span class="sourceLineNo">111</span> if (MODE == FailMode.CALL_QUEUE_TOO_BIG && MODE.shouldFail(callTask)) {<a name="line.111"></a> |
| <span class="sourceLineNo">112</span> return false;<a name="line.112"></a> |
| <span class="sourceLineNo">113</span> }<a name="line.113"></a> |
| <span class="sourceLineNo">114</span> return super.dispatch(callTask);<a name="line.114"></a> |
| <span class="sourceLineNo">115</span> }<a name="line.115"></a> |
| <span class="sourceLineNo">116</span> }<a name="line.116"></a> |
| <span class="sourceLineNo">117</span><a name="line.117"></a> |
| <span class="sourceLineNo">118</span> public static final class OverloadedQueue extends TestPluggableQueueImpl {<a name="line.118"></a> |
| <span class="sourceLineNo">119</span><a name="line.119"></a> |
| <span class="sourceLineNo">120</span> public OverloadedQueue(int maxQueueLength, PriorityFunction priority, Configuration conf) {<a name="line.120"></a> |
| <span class="sourceLineNo">121</span> super(maxQueueLength, priority, conf);<a name="line.121"></a> |
| <span class="sourceLineNo">122</span> }<a name="line.122"></a> |
| <span class="sourceLineNo">123</span><a name="line.123"></a> |
| <span class="sourceLineNo">124</span> @Override<a name="line.124"></a> |
| <span class="sourceLineNo">125</span> public boolean offer(CallRunner callRunner) {<a name="line.125"></a> |
| <span class="sourceLineNo">126</span> if (MODE == FailMode.CALL_DROPPED && MODE.shouldFail(callRunner)) {<a name="line.126"></a> |
| <span class="sourceLineNo">127</span> callRunner.drop();<a name="line.127"></a> |
| <span class="sourceLineNo">128</span> return true;<a name="line.128"></a> |
| <span class="sourceLineNo">129</span> }<a name="line.129"></a> |
| <span class="sourceLineNo">130</span> return super.offer(callRunner);<a name="line.130"></a> |
| <span class="sourceLineNo">131</span> }<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> public static final class OverloadedRpcSchedulerFactory extends SimpleRpcSchedulerFactory {<a name="line.134"></a> |
| <span class="sourceLineNo">135</span><a name="line.135"></a> |
| <span class="sourceLineNo">136</span> @Override<a name="line.136"></a> |
| <span class="sourceLineNo">137</span> public RpcScheduler create(Configuration conf, PriorityFunction priority, Abortable server) {<a name="line.137"></a> |
| <span class="sourceLineNo">138</span> int handlerCount = conf.getInt(HConstants.REGION_SERVER_HANDLER_COUNT,<a name="line.138"></a> |
| <span class="sourceLineNo">139</span> HConstants.DEFAULT_REGION_SERVER_HANDLER_COUNT);<a name="line.139"></a> |
| <span class="sourceLineNo">140</span> return new OverloadedRpcScheduler(conf, handlerCount,<a name="line.140"></a> |
| <span class="sourceLineNo">141</span> conf.getInt(HConstants.REGION_SERVER_HIGH_PRIORITY_HANDLER_COUNT,<a name="line.141"></a> |
| <span class="sourceLineNo">142</span> HConstants.DEFAULT_REGION_SERVER_HIGH_PRIORITY_HANDLER_COUNT),<a name="line.142"></a> |
| <span class="sourceLineNo">143</span> conf.getInt(HConstants.REGION_SERVER_REPLICATION_HANDLER_COUNT,<a name="line.143"></a> |
| <span class="sourceLineNo">144</span> HConstants.DEFAULT_REGION_SERVER_REPLICATION_HANDLER_COUNT),<a name="line.144"></a> |
| <span class="sourceLineNo">145</span> conf.getInt(HConstants.MASTER_META_TRANSITION_HANDLER_COUNT,<a name="line.145"></a> |
| <span class="sourceLineNo">146</span> HConstants.MASTER__META_TRANSITION_HANDLER_COUNT_DEFAULT),<a name="line.146"></a> |
| <span class="sourceLineNo">147</span> priority, server, HConstants.QOS_THRESHOLD);<a name="line.147"></a> |
| <span class="sourceLineNo">148</span> }<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><a name="line.151"></a> |
| <span class="sourceLineNo">152</span> @BeforeClass<a name="line.152"></a> |
| <span class="sourceLineNo">153</span> public static void setUp() throws Exception {<a name="line.153"></a> |
| <span class="sourceLineNo">154</span> UTIL.getConfiguration().setLong(HConstants.HBASE_CLIENT_PAUSE, 10);<a name="line.154"></a> |
| <span class="sourceLineNo">155</span> UTIL.getConfiguration().set("hbase.ipc.server.callqueue.type", "pluggable");<a name="line.155"></a> |
| <span class="sourceLineNo">156</span> UTIL.getConfiguration().setClass("hbase.ipc.server.callqueue.pluggable.queue.class.name",<a name="line.156"></a> |
| <span class="sourceLineNo">157</span> OverloadedQueue.class, PluggableBlockingQueue.class);<a name="line.157"></a> |
| <span class="sourceLineNo">158</span> UTIL.getConfiguration().setClass(RSRpcServices.REGION_SERVER_RPC_SCHEDULER_FACTORY_CLASS,<a name="line.158"></a> |
| <span class="sourceLineNo">159</span> OverloadedRpcSchedulerFactory.class, RpcSchedulerFactory.class);<a name="line.159"></a> |
| <span class="sourceLineNo">160</span> UTIL.startMiniCluster(1);<a name="line.160"></a> |
| <span class="sourceLineNo">161</span><a name="line.161"></a> |
| <span class="sourceLineNo">162</span> Configuration conf = new Configuration(UTIL.getConfiguration());<a name="line.162"></a> |
| <span class="sourceLineNo">163</span> conf.setLong(HBASE_CLIENT_PAUSE_FOR_SERVER_OVERLOADED, PAUSE_FOR_SERVER_OVERLOADED_MILLIS);<a name="line.163"></a> |
| <span class="sourceLineNo">164</span> CONN = ConnectionFactory.createAsyncConnection(conf).get();<a name="line.164"></a> |
| <span class="sourceLineNo">165</span> }<a name="line.165"></a> |
| <span class="sourceLineNo">166</span><a name="line.166"></a> |
| <span class="sourceLineNo">167</span> @AfterClass<a name="line.167"></a> |
| <span class="sourceLineNo">168</span> public static void tearDown() throws Exception {<a name="line.168"></a> |
| <span class="sourceLineNo">169</span> Closeables.close(CONN, true);<a name="line.169"></a> |
| <span class="sourceLineNo">170</span> UTIL.shutdownMiniCluster();<a name="line.170"></a> |
| <span class="sourceLineNo">171</span> }<a name="line.171"></a> |
| <span class="sourceLineNo">172</span><a name="line.172"></a> |
| <span class="sourceLineNo">173</span> @Before<a name="line.173"></a> |
| <span class="sourceLineNo">174</span> public void setUpBeforeTest() throws IOException {<a name="line.174"></a> |
| <span class="sourceLineNo">175</span> try (Table table = UTIL.createTable(TABLE_NAME, FAMILY)) {<a name="line.175"></a> |
| <span class="sourceLineNo">176</span> for (int i = 0; i < 100; i++) {<a name="line.176"></a> |
| <span class="sourceLineNo">177</span> table.put(new Put(Bytes.toBytes(i)).addColumn(FAMILY, QUALIFIER, Bytes.toBytes(i)));<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> MODE = FailMode.CALL_QUEUE_TOO_BIG;<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> |
| <span class="sourceLineNo">183</span> @After<a name="line.183"></a> |
| <span class="sourceLineNo">184</span> public void tearDownAfterTest() throws IOException {<a name="line.184"></a> |
| <span class="sourceLineNo">185</span> for (FailMode mode : FailMode.values()) {<a name="line.185"></a> |
| <span class="sourceLineNo">186</span> mode.invoked.clear();<a name="line.186"></a> |
| <span class="sourceLineNo">187</span> }<a name="line.187"></a> |
| <span class="sourceLineNo">188</span> MODE = null;<a name="line.188"></a> |
| <span class="sourceLineNo">189</span> UTIL.getAdmin().disableTable(TABLE_NAME);<a name="line.189"></a> |
| <span class="sourceLineNo">190</span> UTIL.getAdmin().deleteTable(TABLE_NAME);<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> private void assertTime(Callable<Void> callable, long time) throws Exception {<a name="line.193"></a> |
| <span class="sourceLineNo">194</span> for (FailMode mode : FailMode.values()) {<a name="line.194"></a> |
| <span class="sourceLineNo">195</span> MODE = mode;<a name="line.195"></a> |
| <span class="sourceLineNo">196</span><a name="line.196"></a> |
| <span class="sourceLineNo">197</span> long startNs = System.nanoTime();<a name="line.197"></a> |
| <span class="sourceLineNo">198</span> callable.call();<a name="line.198"></a> |
| <span class="sourceLineNo">199</span> long costNs = System.nanoTime() - startNs;<a name="line.199"></a> |
| <span class="sourceLineNo">200</span> assertTrue(costNs > time);<a name="line.200"></a> |
| <span class="sourceLineNo">201</span> }<a name="line.201"></a> |
| <span class="sourceLineNo">202</span> }<a name="line.202"></a> |
| <span class="sourceLineNo">203</span><a name="line.203"></a> |
| <span class="sourceLineNo">204</span> @Test<a name="line.204"></a> |
| <span class="sourceLineNo">205</span> public void testGet() throws Exception {<a name="line.205"></a> |
| <span class="sourceLineNo">206</span> assertTime(() -> {<a name="line.206"></a> |
| <span class="sourceLineNo">207</span> Result result = CONN.getTable(TABLE_NAME).get(new Get(Bytes.toBytes(0))).get();<a name="line.207"></a> |
| <span class="sourceLineNo">208</span> assertArrayEquals(Bytes.toBytes(0), result.getValue(FAMILY, QUALIFIER));<a name="line.208"></a> |
| <span class="sourceLineNo">209</span> return null;<a name="line.209"></a> |
| <span class="sourceLineNo">210</span> }, PAUSE_FOR_SERVER_OVERLOADED_NANOS);<a name="line.210"></a> |
| <span class="sourceLineNo">211</span> }<a name="line.211"></a> |
| <span class="sourceLineNo">212</span><a name="line.212"></a> |
| <span class="sourceLineNo">213</span> @Test<a name="line.213"></a> |
| <span class="sourceLineNo">214</span> public void testBatch() throws Exception {<a name="line.214"></a> |
| <span class="sourceLineNo">215</span> assertTime(() -> {<a name="line.215"></a> |
| <span class="sourceLineNo">216</span> List<CompletableFuture<?>> futures = new ArrayList<>();<a name="line.216"></a> |
| <span class="sourceLineNo">217</span> try (AsyncBufferedMutator mutator = CONN.getBufferedMutator(TABLE_NAME)) {<a name="line.217"></a> |
| <span class="sourceLineNo">218</span> for (int i = 100; i < 110; i++) {<a name="line.218"></a> |
| <span class="sourceLineNo">219</span> futures.add(mutator<a name="line.219"></a> |
| <span class="sourceLineNo">220</span> .mutate(new Put(Bytes.toBytes(i)).addColumn(FAMILY, QUALIFIER, Bytes.toBytes(i))));<a name="line.220"></a> |
| <span class="sourceLineNo">221</span> }<a name="line.221"></a> |
| <span class="sourceLineNo">222</span> }<a name="line.222"></a> |
| <span class="sourceLineNo">223</span> return CompletableFuture.allOf(futures.toArray(new CompletableFuture[0])).get();<a name="line.223"></a> |
| <span class="sourceLineNo">224</span> }, PAUSE_FOR_SERVER_OVERLOADED_NANOS);<a name="line.224"></a> |
| <span class="sourceLineNo">225</span> }<a name="line.225"></a> |
| <span class="sourceLineNo">226</span><a name="line.226"></a> |
| <span class="sourceLineNo">227</span> @Test<a name="line.227"></a> |
| <span class="sourceLineNo">228</span> public void testScan() throws Exception {<a name="line.228"></a> |
| <span class="sourceLineNo">229</span> // we will hit CallQueueTooBigException two times so the sleep time should be twice<a name="line.229"></a> |
| <span class="sourceLineNo">230</span> assertTime(() -> {<a name="line.230"></a> |
| <span class="sourceLineNo">231</span> try (<a name="line.231"></a> |
| <span class="sourceLineNo">232</span> ResultScanner scanner = CONN.getTable(TABLE_NAME).getScanner(new Scan().setCaching(80))) {<a name="line.232"></a> |
| <span class="sourceLineNo">233</span> for (int i = 0; i < 100; i++) {<a name="line.233"></a> |
| <span class="sourceLineNo">234</span> Result result = scanner.next();<a name="line.234"></a> |
| <span class="sourceLineNo">235</span> assertArrayEquals(Bytes.toBytes(i), result.getValue(FAMILY, QUALIFIER));<a name="line.235"></a> |
| <span class="sourceLineNo">236</span> }<a name="line.236"></a> |
| <span class="sourceLineNo">237</span> assertNull(scanner.next());<a name="line.237"></a> |
| <span class="sourceLineNo">238</span> }<a name="line.238"></a> |
| <span class="sourceLineNo">239</span> return null;<a name="line.239"></a> |
| <span class="sourceLineNo">240</span> }, PAUSE_FOR_SERVER_OVERLOADED_NANOS * 2);<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> |
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| </pre> |
| </div> |
| </body> |
| </html> |
