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<pre><span class="source-line-no">001</span><span id="line-1">/*</span>
<span class="source-line-no">002</span><span id="line-2"> * Licensed to the Apache Software Foundation (ASF) under one</span>
<span class="source-line-no">003</span><span id="line-3"> * or more contributor license agreements. See the NOTICE file</span>
<span class="source-line-no">004</span><span id="line-4"> * distributed with this work for additional information</span>
<span class="source-line-no">005</span><span id="line-5"> * regarding copyright ownership. The ASF licenses this file</span>
<span class="source-line-no">006</span><span id="line-6"> * to you under the Apache License, Version 2.0 (the</span>
<span class="source-line-no">007</span><span id="line-7"> * "License"); you may not use this file except in compliance</span>
<span class="source-line-no">008</span><span id="line-8"> * with the License. You may obtain a copy of the License at</span>
<span class="source-line-no">009</span><span id="line-9"> *</span>
<span class="source-line-no">010</span><span id="line-10"> * http://www.apache.org/licenses/LICENSE-2.0</span>
<span class="source-line-no">011</span><span id="line-11"> *</span>
<span class="source-line-no">012</span><span id="line-12"> * Unless required by applicable law or agreed to in writing, software</span>
<span class="source-line-no">013</span><span id="line-13"> * distributed under the License is distributed on an "AS IS" BASIS,</span>
<span class="source-line-no">014</span><span id="line-14"> * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.</span>
<span class="source-line-no">015</span><span id="line-15"> * See the License for the specific language governing permissions and</span>
<span class="source-line-no">016</span><span id="line-16"> * limitations under the License.</span>
<span class="source-line-no">017</span><span id="line-17"> */</span>
<span class="source-line-no">018</span><span id="line-18">package org.apache.hadoop.hbase.quotas;</span>
<span class="source-line-no">019</span><span id="line-19"></span>
<span class="source-line-no">020</span><span id="line-20">import static org.junit.Assert.assertEquals;</span>
<span class="source-line-no">021</span><span id="line-21">import static org.junit.Assert.assertThrows;</span>
<span class="source-line-no">022</span><span id="line-22">import static org.junit.Assert.assertTrue;</span>
<span class="source-line-no">023</span><span id="line-23"></span>
<span class="source-line-no">024</span><span id="line-24">import org.apache.hadoop.conf.Configuration;</span>
<span class="source-line-no">025</span><span id="line-25">import org.apache.hadoop.hbase.HBaseClassTestRule;</span>
<span class="source-line-no">026</span><span id="line-26">import org.apache.hadoop.hbase.testclassification.RegionServerTests;</span>
<span class="source-line-no">027</span><span id="line-27">import org.apache.hadoop.hbase.testclassification.SmallTests;</span>
<span class="source-line-no">028</span><span id="line-28">import org.apache.hadoop.hbase.util.EnvironmentEdgeManager;</span>
<span class="source-line-no">029</span><span id="line-29">import org.apache.hadoop.hbase.util.EnvironmentEdgeManagerTestHelper;</span>
<span class="source-line-no">030</span><span id="line-30">import org.apache.hadoop.hbase.util.ManualEnvironmentEdge;</span>
<span class="source-line-no">031</span><span id="line-31">import org.junit.ClassRule;</span>
<span class="source-line-no">032</span><span id="line-32">import org.junit.Test;</span>
<span class="source-line-no">033</span><span id="line-33">import org.junit.experimental.categories.Category;</span>
<span class="source-line-no">034</span><span id="line-34"></span>
<span class="source-line-no">035</span><span id="line-35">import org.apache.hadoop.hbase.shaded.protobuf.generated.HBaseProtos;</span>
<span class="source-line-no">036</span><span id="line-36">import org.apache.hadoop.hbase.shaded.protobuf.generated.QuotaProtos;</span>
<span class="source-line-no">037</span><span id="line-37"></span>
<span class="source-line-no">038</span><span id="line-38">@Category({ RegionServerTests.class, SmallTests.class })</span>
<span class="source-line-no">039</span><span id="line-39">public class TestDefaultOperationQuota {</span>
<span class="source-line-no">040</span><span id="line-40"> @ClassRule</span>
<span class="source-line-no">041</span><span id="line-41"> public static final HBaseClassTestRule CLASS_RULE =</span>
<span class="source-line-no">042</span><span id="line-42"> HBaseClassTestRule.forClass(TestDefaultOperationQuota.class);</span>
<span class="source-line-no">043</span><span id="line-43"></span>
<span class="source-line-no">044</span><span id="line-44"> private static ManualEnvironmentEdge envEdge = new ManualEnvironmentEdge();</span>
<span class="source-line-no">045</span><span id="line-45"> static {</span>
<span class="source-line-no">046</span><span id="line-46"> envEdge.setValue(EnvironmentEdgeManager.currentTime());</span>
<span class="source-line-no">047</span><span id="line-47"> // only active the envEdge for quotas package</span>
<span class="source-line-no">048</span><span id="line-48"> EnvironmentEdgeManagerTestHelper.injectEdgeForPackage(envEdge,</span>
<span class="source-line-no">049</span><span id="line-49"> ThrottleQuotaTestUtil.class.getPackage().getName());</span>
<span class="source-line-no">050</span><span id="line-50"> }</span>
<span class="source-line-no">051</span><span id="line-51"></span>
<span class="source-line-no">052</span><span id="line-52"> @Test</span>
<span class="source-line-no">053</span><span id="line-53"> public void testScanEstimateNewScanner() {</span>
<span class="source-line-no">054</span><span id="line-54"> long blockSize = 64 * 1024;</span>
<span class="source-line-no">055</span><span id="line-55"> long nextCallSeq = 0;</span>
<span class="source-line-no">056</span><span id="line-56"> long maxScannerResultSize = 100 * 1024 * 1024;</span>
<span class="source-line-no">057</span><span id="line-57"> long maxBlockBytesScanned = 0;</span>
<span class="source-line-no">058</span><span id="line-58"> long prevBBSDifference = 0;</span>
<span class="source-line-no">059</span><span id="line-59"> long estimate = DefaultOperationQuota.getScanReadConsumeEstimate(blockSize, nextCallSeq,</span>
<span class="source-line-no">060</span><span id="line-60"> maxScannerResultSize, maxBlockBytesScanned, prevBBSDifference);</span>
<span class="source-line-no">061</span><span id="line-61"></span>
<span class="source-line-no">062</span><span id="line-62"> // new scanner should estimate scan read as 1 block</span>
<span class="source-line-no">063</span><span id="line-63"> assertEquals(blockSize, estimate);</span>
<span class="source-line-no">064</span><span id="line-64"> }</span>
<span class="source-line-no">065</span><span id="line-65"></span>
<span class="source-line-no">066</span><span id="line-66"> @Test</span>
<span class="source-line-no">067</span><span id="line-67"> public void testScanEstimateSecondNextCall() {</span>
<span class="source-line-no">068</span><span id="line-68"> long blockSize = 64 * 1024;</span>
<span class="source-line-no">069</span><span id="line-69"> long nextCallSeq = 1;</span>
<span class="source-line-no">070</span><span id="line-70"> long maxScannerResultSize = 100 * 1024 * 1024;</span>
<span class="source-line-no">071</span><span id="line-71"> long maxBlockBytesScanned = 10 * blockSize;</span>
<span class="source-line-no">072</span><span id="line-72"> long prevBBSDifference = 10 * blockSize;</span>
<span class="source-line-no">073</span><span id="line-73"> long estimate = DefaultOperationQuota.getScanReadConsumeEstimate(blockSize, nextCallSeq,</span>
<span class="source-line-no">074</span><span id="line-74"> maxScannerResultSize, maxBlockBytesScanned, prevBBSDifference);</span>
<span class="source-line-no">075</span><span id="line-75"></span>
<span class="source-line-no">076</span><span id="line-76"> // 2nd next call should be estimated at maxBBS</span>
<span class="source-line-no">077</span><span id="line-77"> assertEquals(maxBlockBytesScanned, estimate);</span>
<span class="source-line-no">078</span><span id="line-78"> }</span>
<span class="source-line-no">079</span><span id="line-79"></span>
<span class="source-line-no">080</span><span id="line-80"> @Test</span>
<span class="source-line-no">081</span><span id="line-81"> public void testScanEstimateFlatWorkload() {</span>
<span class="source-line-no">082</span><span id="line-82"> long blockSize = 64 * 1024;</span>
<span class="source-line-no">083</span><span id="line-83"> long nextCallSeq = 100;</span>
<span class="source-line-no">084</span><span id="line-84"> long maxScannerResultSize = 100 * 1024 * 1024;</span>
<span class="source-line-no">085</span><span id="line-85"> long maxBlockBytesScanned = 10 * blockSize;</span>
<span class="source-line-no">086</span><span id="line-86"> long prevBBSDifference = 0;</span>
<span class="source-line-no">087</span><span id="line-87"> long estimate = DefaultOperationQuota.getScanReadConsumeEstimate(blockSize, nextCallSeq,</span>
<span class="source-line-no">088</span><span id="line-88"> maxScannerResultSize, maxBlockBytesScanned, prevBBSDifference);</span>
<span class="source-line-no">089</span><span id="line-89"></span>
<span class="source-line-no">090</span><span id="line-90"> // flat workload should not overestimate</span>
<span class="source-line-no">091</span><span id="line-91"> assertEquals(maxBlockBytesScanned, estimate);</span>
<span class="source-line-no">092</span><span id="line-92"> }</span>
<span class="source-line-no">093</span><span id="line-93"></span>
<span class="source-line-no">094</span><span id="line-94"> @Test</span>
<span class="source-line-no">095</span><span id="line-95"> public void testScanEstimateVariableFlatWorkload() {</span>
<span class="source-line-no">096</span><span id="line-96"> long blockSize = 64 * 1024;</span>
<span class="source-line-no">097</span><span id="line-97"> long nextCallSeq = 1;</span>
<span class="source-line-no">098</span><span id="line-98"> long maxScannerResultSize = 100 * 1024 * 1024;</span>
<span class="source-line-no">099</span><span id="line-99"> long maxBlockBytesScanned = 10 * blockSize;</span>
<span class="source-line-no">100</span><span id="line-100"> long prevBBSDifference = 0;</span>
<span class="source-line-no">101</span><span id="line-101"> for (int i = 0; i &lt; 100; i++) {</span>
<span class="source-line-no">102</span><span id="line-102"> long variation = Math.round(Math.random() * blockSize);</span>
<span class="source-line-no">103</span><span id="line-103"> if (variation % 2 == 0) {</span>
<span class="source-line-no">104</span><span id="line-104"> variation *= -1;</span>
<span class="source-line-no">105</span><span id="line-105"> }</span>
<span class="source-line-no">106</span><span id="line-106"> // despite +/- &lt;1 block variation, we consider this workload flat</span>
<span class="source-line-no">107</span><span id="line-107"> prevBBSDifference = variation;</span>
<span class="source-line-no">108</span><span id="line-108"></span>
<span class="source-line-no">109</span><span id="line-109"> long estimate = DefaultOperationQuota.getScanReadConsumeEstimate(blockSize, nextCallSeq + i,</span>
<span class="source-line-no">110</span><span id="line-110"> maxScannerResultSize, maxBlockBytesScanned, prevBBSDifference);</span>
<span class="source-line-no">111</span><span id="line-111"></span>
<span class="source-line-no">112</span><span id="line-112"> // flat workload should not overestimate</span>
<span class="source-line-no">113</span><span id="line-113"> assertEquals(maxBlockBytesScanned, estimate);</span>
<span class="source-line-no">114</span><span id="line-114"> }</span>
<span class="source-line-no">115</span><span id="line-115"> }</span>
<span class="source-line-no">116</span><span id="line-116"></span>
<span class="source-line-no">117</span><span id="line-117"> @Test</span>
<span class="source-line-no">118</span><span id="line-118"> public void testScanEstimateGrowingWorkload() {</span>
<span class="source-line-no">119</span><span id="line-119"> long blockSize = 64 * 1024;</span>
<span class="source-line-no">120</span><span id="line-120"> long nextCallSeq = 100;</span>
<span class="source-line-no">121</span><span id="line-121"> long maxScannerResultSize = 100 * 1024 * 1024;</span>
<span class="source-line-no">122</span><span id="line-122"> long maxBlockBytesScanned = 20 * blockSize;</span>
<span class="source-line-no">123</span><span id="line-123"> long prevBBSDifference = 10 * blockSize;</span>
<span class="source-line-no">124</span><span id="line-124"> long estimate = DefaultOperationQuota.getScanReadConsumeEstimate(blockSize, nextCallSeq,</span>
<span class="source-line-no">125</span><span id="line-125"> maxScannerResultSize, maxBlockBytesScanned, prevBBSDifference);</span>
<span class="source-line-no">126</span><span id="line-126"></span>
<span class="source-line-no">127</span><span id="line-127"> // growing workload should overestimate</span>
<span class="source-line-no">128</span><span id="line-128"> assertTrue(nextCallSeq * maxBlockBytesScanned == estimate || maxScannerResultSize == estimate);</span>
<span class="source-line-no">129</span><span id="line-129"> }</span>
<span class="source-line-no">130</span><span id="line-130"></span>
<span class="source-line-no">131</span><span id="line-131"> @Test</span>
<span class="source-line-no">132</span><span id="line-132"> public void testScanEstimateShrinkingWorkload() {</span>
<span class="source-line-no">133</span><span id="line-133"> long blockSize = 64 * 1024;</span>
<span class="source-line-no">134</span><span id="line-134"> long nextCallSeq = 100;</span>
<span class="source-line-no">135</span><span id="line-135"> long maxScannerResultSize = 100 * 1024 * 1024;</span>
<span class="source-line-no">136</span><span id="line-136"> long maxBlockBytesScanned = 20 * blockSize;</span>
<span class="source-line-no">137</span><span id="line-137"> long prevBBSDifference = -10 * blockSize;</span>
<span class="source-line-no">138</span><span id="line-138"> long estimate = DefaultOperationQuota.getScanReadConsumeEstimate(blockSize, nextCallSeq,</span>
<span class="source-line-no">139</span><span id="line-139"> maxScannerResultSize, maxBlockBytesScanned, prevBBSDifference);</span>
<span class="source-line-no">140</span><span id="line-140"></span>
<span class="source-line-no">141</span><span id="line-141"> // shrinking workload should only shrink estimate to maxBBS</span>
<span class="source-line-no">142</span><span id="line-142"> assertEquals(maxBlockBytesScanned, estimate);</span>
<span class="source-line-no">143</span><span id="line-143"> }</span>
<span class="source-line-no">144</span><span id="line-144"></span>
<span class="source-line-no">145</span><span id="line-145"> @Test</span>
<span class="source-line-no">146</span><span id="line-146"> public void testLargeBatchSaturatesReadNumLimit()</span>
<span class="source-line-no">147</span><span id="line-147"> throws RpcThrottlingException, InterruptedException {</span>
<span class="source-line-no">148</span><span id="line-148"> int limit = 10;</span>
<span class="source-line-no">149</span><span id="line-149"> QuotaProtos.Throttle throttle =</span>
<span class="source-line-no">150</span><span id="line-150"> QuotaProtos.Throttle.newBuilder().setReadNum(QuotaProtos.TimedQuota.newBuilder()</span>
<span class="source-line-no">151</span><span id="line-151"> .setSoftLimit(limit).setTimeUnit(HBaseProtos.TimeUnit.SECONDS).build()).build();</span>
<span class="source-line-no">152</span><span id="line-152"> QuotaLimiter limiter = TimeBasedLimiter.fromThrottle(throttle);</span>
<span class="source-line-no">153</span><span id="line-153"> DefaultOperationQuota quota = new DefaultOperationQuota(new Configuration(), 65536, limiter);</span>
<span class="source-line-no">154</span><span id="line-154"></span>
<span class="source-line-no">155</span><span id="line-155"> // use the whole limit</span>
<span class="source-line-no">156</span><span id="line-156"> quota.checkBatchQuota(0, limit);</span>
<span class="source-line-no">157</span><span id="line-157"></span>
<span class="source-line-no">158</span><span id="line-158"> // the next request should be rejected</span>
<span class="source-line-no">159</span><span id="line-159"> assertThrows(RpcThrottlingException.class, () -&gt; quota.checkBatchQuota(0, 1));</span>
<span class="source-line-no">160</span><span id="line-160"></span>
<span class="source-line-no">161</span><span id="line-161"> envEdge.incValue(1000);</span>
<span class="source-line-no">162</span><span id="line-162"> // after the TimeUnit, the limit should be refilled</span>
<span class="source-line-no">163</span><span id="line-163"> quota.checkBatchQuota(0, limit);</span>
<span class="source-line-no">164</span><span id="line-164"> }</span>
<span class="source-line-no">165</span><span id="line-165"></span>
<span class="source-line-no">166</span><span id="line-166"> @Test</span>
<span class="source-line-no">167</span><span id="line-167"> public void testLargeBatchSaturatesReadWriteLimit()</span>
<span class="source-line-no">168</span><span id="line-168"> throws RpcThrottlingException, InterruptedException {</span>
<span class="source-line-no">169</span><span id="line-169"> int limit = 10;</span>
<span class="source-line-no">170</span><span id="line-170"> QuotaProtos.Throttle throttle =</span>
<span class="source-line-no">171</span><span id="line-171"> QuotaProtos.Throttle.newBuilder().setWriteNum(QuotaProtos.TimedQuota.newBuilder()</span>
<span class="source-line-no">172</span><span id="line-172"> .setSoftLimit(limit).setTimeUnit(HBaseProtos.TimeUnit.SECONDS).build()).build();</span>
<span class="source-line-no">173</span><span id="line-173"> QuotaLimiter limiter = TimeBasedLimiter.fromThrottle(throttle);</span>
<span class="source-line-no">174</span><span id="line-174"> DefaultOperationQuota quota = new DefaultOperationQuota(new Configuration(), 65536, limiter);</span>
<span class="source-line-no">175</span><span id="line-175"></span>
<span class="source-line-no">176</span><span id="line-176"> // use the whole limit</span>
<span class="source-line-no">177</span><span id="line-177"> quota.checkBatchQuota(limit, 0);</span>
<span class="source-line-no">178</span><span id="line-178"></span>
<span class="source-line-no">179</span><span id="line-179"> // the next request should be rejected</span>
<span class="source-line-no">180</span><span id="line-180"> assertThrows(RpcThrottlingException.class, () -&gt; quota.checkBatchQuota(1, 0));</span>
<span class="source-line-no">181</span><span id="line-181"></span>
<span class="source-line-no">182</span><span id="line-182"> envEdge.incValue(1000);</span>
<span class="source-line-no">183</span><span id="line-183"> // after the TimeUnit, the limit should be refilled</span>
<span class="source-line-no">184</span><span id="line-184"> quota.checkBatchQuota(limit, 0);</span>
<span class="source-line-no">185</span><span id="line-185"> }</span>
<span class="source-line-no">186</span><span id="line-186"></span>
<span class="source-line-no">187</span><span id="line-187"> @Test</span>
<span class="source-line-no">188</span><span id="line-188"> public void testTooLargeReadBatchIsNotBlocked()</span>
<span class="source-line-no">189</span><span id="line-189"> throws RpcThrottlingException, InterruptedException {</span>
<span class="source-line-no">190</span><span id="line-190"> int limit = 10;</span>
<span class="source-line-no">191</span><span id="line-191"> QuotaProtos.Throttle throttle =</span>
<span class="source-line-no">192</span><span id="line-192"> QuotaProtos.Throttle.newBuilder().setReadNum(QuotaProtos.TimedQuota.newBuilder()</span>
<span class="source-line-no">193</span><span id="line-193"> .setSoftLimit(limit).setTimeUnit(HBaseProtos.TimeUnit.SECONDS).build()).build();</span>
<span class="source-line-no">194</span><span id="line-194"> QuotaLimiter limiter = TimeBasedLimiter.fromThrottle(throttle);</span>
<span class="source-line-no">195</span><span id="line-195"> DefaultOperationQuota quota = new DefaultOperationQuota(new Configuration(), 65536, limiter);</span>
<span class="source-line-no">196</span><span id="line-196"></span>
<span class="source-line-no">197</span><span id="line-197"> // use more than the limit, which should succeed rather than being indefinitely blocked</span>
<span class="source-line-no">198</span><span id="line-198"> quota.checkBatchQuota(0, 10 + limit);</span>
<span class="source-line-no">199</span><span id="line-199"></span>
<span class="source-line-no">200</span><span id="line-200"> // the next request should be blocked</span>
<span class="source-line-no">201</span><span id="line-201"> assertThrows(RpcThrottlingException.class, () -&gt; quota.checkBatchQuota(0, 1));</span>
<span class="source-line-no">202</span><span id="line-202"></span>
<span class="source-line-no">203</span><span id="line-203"> envEdge.incValue(1000);</span>
<span class="source-line-no">204</span><span id="line-204"> // even after the TimeUnit, the limit should not be refilled because we oversubscribed</span>
<span class="source-line-no">205</span><span id="line-205"> assertThrows(RpcThrottlingException.class, () -&gt; quota.checkBatchQuota(0, limit));</span>
<span class="source-line-no">206</span><span id="line-206"> }</span>
<span class="source-line-no">207</span><span id="line-207"></span>
<span class="source-line-no">208</span><span id="line-208"> @Test</span>
<span class="source-line-no">209</span><span id="line-209"> public void testTooLargeWriteBatchIsNotBlocked()</span>
<span class="source-line-no">210</span><span id="line-210"> throws RpcThrottlingException, InterruptedException {</span>
<span class="source-line-no">211</span><span id="line-211"> int limit = 10;</span>
<span class="source-line-no">212</span><span id="line-212"> QuotaProtos.Throttle throttle =</span>
<span class="source-line-no">213</span><span id="line-213"> QuotaProtos.Throttle.newBuilder().setWriteNum(QuotaProtos.TimedQuota.newBuilder()</span>
<span class="source-line-no">214</span><span id="line-214"> .setSoftLimit(limit).setTimeUnit(HBaseProtos.TimeUnit.SECONDS).build()).build();</span>
<span class="source-line-no">215</span><span id="line-215"> QuotaLimiter limiter = TimeBasedLimiter.fromThrottle(throttle);</span>
<span class="source-line-no">216</span><span id="line-216"> DefaultOperationQuota quota = new DefaultOperationQuota(new Configuration(), 65536, limiter);</span>
<span class="source-line-no">217</span><span id="line-217"></span>
<span class="source-line-no">218</span><span id="line-218"> // use more than the limit, which should succeed rather than being indefinitely blocked</span>
<span class="source-line-no">219</span><span id="line-219"> quota.checkBatchQuota(10 + limit, 0);</span>
<span class="source-line-no">220</span><span id="line-220"></span>
<span class="source-line-no">221</span><span id="line-221"> // the next request should be blocked</span>
<span class="source-line-no">222</span><span id="line-222"> assertThrows(RpcThrottlingException.class, () -&gt; quota.checkBatchQuota(1, 0));</span>
<span class="source-line-no">223</span><span id="line-223"></span>
<span class="source-line-no">224</span><span id="line-224"> envEdge.incValue(1000);</span>
<span class="source-line-no">225</span><span id="line-225"> // even after the TimeUnit, the limit should not be refilled because we oversubscribed</span>
<span class="source-line-no">226</span><span id="line-226"> assertThrows(RpcThrottlingException.class, () -&gt; quota.checkBatchQuota(limit, 0));</span>
<span class="source-line-no">227</span><span id="line-227"> }</span>
<span class="source-line-no">228</span><span id="line-228"></span>
<span class="source-line-no">229</span><span id="line-229"> @Test</span>
<span class="source-line-no">230</span><span id="line-230"> public void testTooLargeWriteSizeIsNotBlocked()</span>
<span class="source-line-no">231</span><span id="line-231"> throws RpcThrottlingException, InterruptedException {</span>
<span class="source-line-no">232</span><span id="line-232"> int limit = 50;</span>
<span class="source-line-no">233</span><span id="line-233"> QuotaProtos.Throttle throttle =</span>
<span class="source-line-no">234</span><span id="line-234"> QuotaProtos.Throttle.newBuilder().setWriteSize(QuotaProtos.TimedQuota.newBuilder()</span>
<span class="source-line-no">235</span><span id="line-235"> .setSoftLimit(limit).setTimeUnit(HBaseProtos.TimeUnit.SECONDS).build()).build();</span>
<span class="source-line-no">236</span><span id="line-236"> QuotaLimiter limiter = TimeBasedLimiter.fromThrottle(throttle);</span>
<span class="source-line-no">237</span><span id="line-237"> DefaultOperationQuota quota = new DefaultOperationQuota(new Configuration(), 65536, limiter);</span>
<span class="source-line-no">238</span><span id="line-238"></span>
<span class="source-line-no">239</span><span id="line-239"> // writes are estimated a 100 bytes, so this will use 2x the limit but should not be blocked</span>
<span class="source-line-no">240</span><span id="line-240"> quota.checkBatchQuota(1, 0);</span>
<span class="source-line-no">241</span><span id="line-241"></span>
<span class="source-line-no">242</span><span id="line-242"> // the next request should be blocked</span>
<span class="source-line-no">243</span><span id="line-243"> assertThrows(RpcThrottlingException.class, () -&gt; quota.checkBatchQuota(1, 0));</span>
<span class="source-line-no">244</span><span id="line-244"></span>
<span class="source-line-no">245</span><span id="line-245"> envEdge.incValue(1000);</span>
<span class="source-line-no">246</span><span id="line-246"> // even after the TimeUnit, the limit should not be refilled because we oversubscribed</span>
<span class="source-line-no">247</span><span id="line-247"> assertThrows(RpcThrottlingException.class, () -&gt; quota.checkBatchQuota(limit, 0));</span>
<span class="source-line-no">248</span><span id="line-248"> }</span>
<span class="source-line-no">249</span><span id="line-249"></span>
<span class="source-line-no">250</span><span id="line-250"> @Test</span>
<span class="source-line-no">251</span><span id="line-251"> public void testTooLargeReadSizeIsNotBlocked()</span>
<span class="source-line-no">252</span><span id="line-252"> throws RpcThrottlingException, InterruptedException {</span>
<span class="source-line-no">253</span><span id="line-253"> long blockSize = 65536;</span>
<span class="source-line-no">254</span><span id="line-254"> long limit = blockSize / 2;</span>
<span class="source-line-no">255</span><span id="line-255"> QuotaProtos.Throttle throttle =</span>
<span class="source-line-no">256</span><span id="line-256"> QuotaProtos.Throttle.newBuilder().setReadSize(QuotaProtos.TimedQuota.newBuilder()</span>
<span class="source-line-no">257</span><span id="line-257"> .setSoftLimit(limit).setTimeUnit(HBaseProtos.TimeUnit.SECONDS).build()).build();</span>
<span class="source-line-no">258</span><span id="line-258"> QuotaLimiter limiter = TimeBasedLimiter.fromThrottle(throttle);</span>
<span class="source-line-no">259</span><span id="line-259"> DefaultOperationQuota quota =</span>
<span class="source-line-no">260</span><span id="line-260"> new DefaultOperationQuota(new Configuration(), (int) blockSize, limiter);</span>
<span class="source-line-no">261</span><span id="line-261"></span>
<span class="source-line-no">262</span><span id="line-262"> // reads are estimated at 1 block each, so this will use ~2x the limit but should not be blocked</span>
<span class="source-line-no">263</span><span id="line-263"> quota.checkBatchQuota(0, 1);</span>
<span class="source-line-no">264</span><span id="line-264"></span>
<span class="source-line-no">265</span><span id="line-265"> // the next request should be blocked</span>
<span class="source-line-no">266</span><span id="line-266"> assertThrows(RpcThrottlingException.class, () -&gt; quota.checkBatchQuota(0, 1));</span>
<span class="source-line-no">267</span><span id="line-267"></span>
<span class="source-line-no">268</span><span id="line-268"> envEdge.incValue(1000);</span>
<span class="source-line-no">269</span><span id="line-269"> // even after the TimeUnit, the limit should not be refilled because we oversubscribed</span>
<span class="source-line-no">270</span><span id="line-270"> assertThrows(RpcThrottlingException.class, () -&gt; quota.checkBatchQuota((int) limit, 1));</span>
<span class="source-line-no">271</span><span id="line-271"> }</span>
<span class="source-line-no">272</span><span id="line-272"></span>
<span class="source-line-no">273</span><span id="line-273"> @Test</span>
<span class="source-line-no">274</span><span id="line-274"> public void testTooLargeRequestSizeIsNotBlocked()</span>
<span class="source-line-no">275</span><span id="line-275"> throws RpcThrottlingException, InterruptedException {</span>
<span class="source-line-no">276</span><span id="line-276"> long blockSize = 65536;</span>
<span class="source-line-no">277</span><span id="line-277"> long limit = blockSize / 2;</span>
<span class="source-line-no">278</span><span id="line-278"> QuotaProtos.Throttle throttle =</span>
<span class="source-line-no">279</span><span id="line-279"> QuotaProtos.Throttle.newBuilder().setReqSize(QuotaProtos.TimedQuota.newBuilder()</span>
<span class="source-line-no">280</span><span id="line-280"> .setSoftLimit(limit).setTimeUnit(HBaseProtos.TimeUnit.SECONDS).build()).build();</span>
<span class="source-line-no">281</span><span id="line-281"> QuotaLimiter limiter = TimeBasedLimiter.fromThrottle(throttle);</span>
<span class="source-line-no">282</span><span id="line-282"> DefaultOperationQuota quota =</span>
<span class="source-line-no">283</span><span id="line-283"> new DefaultOperationQuota(new Configuration(), (int) blockSize, limiter);</span>
<span class="source-line-no">284</span><span id="line-284"></span>
<span class="source-line-no">285</span><span id="line-285"> // reads are estimated at 1 block each, so this will use ~2x the limit but should not be blocked</span>
<span class="source-line-no">286</span><span id="line-286"> quota.checkBatchQuota(0, 1);</span>
<span class="source-line-no">287</span><span id="line-287"></span>
<span class="source-line-no">288</span><span id="line-288"> // the next request should be blocked</span>
<span class="source-line-no">289</span><span id="line-289"> assertThrows(RpcThrottlingException.class, () -&gt; quota.checkBatchQuota(0, 1));</span>
<span class="source-line-no">290</span><span id="line-290"></span>
<span class="source-line-no">291</span><span id="line-291"> envEdge.incValue(1000);</span>
<span class="source-line-no">292</span><span id="line-292"> // even after the TimeUnit, the limit should not be refilled because we oversubscribed</span>
<span class="source-line-no">293</span><span id="line-293"> assertThrows(RpcThrottlingException.class, () -&gt; quota.checkBatchQuota((int) limit, 1));</span>
<span class="source-line-no">294</span><span id="line-294"> }</span>
<span class="source-line-no">295</span><span id="line-295">}</span>
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