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PIP-122: change loadbalance shedder to ThresholdShedder and add test (a…
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221
...-broker/src/test/java/org/apache/pulsar/broker/loadbalance/impl/ThresholdShedderTest.java
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| /** | ||
| * Licensed to the Apache Software Foundation (ASF) under one | ||
| * or more contributor license agreements. See the NOTICE file | ||
| * distributed with this work for additional information | ||
| * regarding copyright ownership. The ASF licenses this file | ||
| * to you under the Apache License, Version 2.0 (the | ||
| * "License"); you may not use this file except in compliance | ||
| * with the License. You may obtain a copy of the License at | ||
| * | ||
| * http://www.apache.org/licenses/LICENSE-2.0 | ||
| * | ||
| * Unless required by applicable law or agreed to in writing, | ||
| * software distributed under the License is distributed on an | ||
| * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY | ||
| * KIND, either express or implied. See the License for the | ||
| * specific language governing permissions and limitations | ||
| * under the License. | ||
| */ | ||
| package org.apache.pulsar.broker.loadbalance.impl; | ||
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| import static org.testng.Assert.assertEquals; | ||
| import static org.testng.Assert.assertFalse; | ||
| import static org.testng.Assert.assertTrue; | ||
| import com.google.common.collect.Lists; | ||
| import com.google.common.collect.Multimap; | ||
| import com.google.common.collect.Sets; | ||
| import lombok.extern.slf4j.Slf4j; | ||
| import org.apache.pulsar.broker.BrokerData; | ||
| import org.apache.pulsar.broker.BundleData; | ||
| import org.apache.pulsar.broker.ServiceConfiguration; | ||
| import org.apache.pulsar.broker.TimeAverageMessageData; | ||
| import org.apache.pulsar.broker.loadbalance.LoadData; | ||
| import org.apache.pulsar.policies.data.loadbalancer.LocalBrokerData; | ||
| import org.apache.pulsar.policies.data.loadbalancer.ResourceUsage; | ||
| import org.testng.annotations.BeforeMethod; | ||
| import org.testng.annotations.Test; | ||
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| @Test(groups = "broker") | ||
| @Slf4j | ||
| public class ThresholdShedderTest { | ||
| private ThresholdShedder thresholdShedder; | ||
| private final ServiceConfiguration conf; | ||
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| public ThresholdShedderTest() { | ||
| conf = new ServiceConfiguration(); | ||
| } | ||
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| @BeforeMethod | ||
| public void setup() { | ||
| thresholdShedder = new ThresholdShedder(); | ||
| } | ||
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| @Test | ||
| public void testNoBrokers() { | ||
| LoadData loadData = new LoadData(); | ||
| assertTrue(thresholdShedder.findBundlesForUnloading(loadData, conf).isEmpty()); | ||
| } | ||
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| @Test | ||
| public void testBrokersWithNoBundles() { | ||
| LoadData loadData = new LoadData(); | ||
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| LocalBrokerData broker1 = new LocalBrokerData(); | ||
| broker1.setBandwidthIn(new ResourceUsage(999, 1000)); | ||
| broker1.setBandwidthOut(new ResourceUsage(999, 1000)); | ||
| loadData.getBrokerData().put("broker-1", new BrokerData(broker1)); | ||
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| assertTrue(thresholdShedder.findBundlesForUnloading(loadData, conf).isEmpty()); | ||
| } | ||
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| @Test | ||
| public void testBrokerNotReachThreshold() { | ||
| LoadData loadData = new LoadData(); | ||
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| LocalBrokerData broker1 = new LocalBrokerData(); | ||
| broker1.setBandwidthIn(new ResourceUsage(500, 1000)); | ||
| broker1.setBandwidthOut(new ResourceUsage(500, 1000)); | ||
| broker1.setBundles(Sets.newHashSet("bundle-1")); | ||
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| BundleData bundleData = new BundleData(); | ||
| TimeAverageMessageData timeAverageMessageData = new TimeAverageMessageData(); | ||
| timeAverageMessageData.setMsgThroughputIn(1000); | ||
| timeAverageMessageData.setMsgThroughputOut(1000); | ||
| bundleData.setShortTermData(timeAverageMessageData); | ||
| loadData.getBundleData().put("bundle-1", bundleData); | ||
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| loadData.getBrokerData().put("broker-1", new BrokerData(broker1)); | ||
| assertTrue(thresholdShedder.findBundlesForUnloading(loadData, conf).isEmpty()); | ||
| } | ||
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| @Test | ||
| public void testBrokerWithSingleBundle() { | ||
| LoadData loadData = new LoadData(); | ||
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| LocalBrokerData broker1 = new LocalBrokerData(); | ||
| broker1.setBandwidthIn(new ResourceUsage(999, 1000)); | ||
| broker1.setBandwidthOut(new ResourceUsage(999, 1000)); | ||
| broker1.setBundles(Sets.newHashSet("bundle-1")); | ||
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| BundleData bundle1 = new BundleData(); | ||
| TimeAverageMessageData timeAverageMessageData = new TimeAverageMessageData(); | ||
| timeAverageMessageData.setMsgThroughputIn(1000); | ||
| timeAverageMessageData.setMsgThroughputOut(1000); | ||
| bundle1.setShortTermData(timeAverageMessageData); | ||
| loadData.getBundleData().put("bundle-1", bundle1); | ||
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| loadData.getBrokerData().put("broker-1", new BrokerData(broker1)); | ||
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| assertTrue(thresholdShedder.findBundlesForUnloading(loadData, conf).isEmpty()); | ||
| } | ||
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| @Test | ||
| public void testBrokerWithMultipleBundles() { | ||
| int numBundles = 10; | ||
| LoadData loadData = new LoadData(); | ||
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| LocalBrokerData broker1 = new LocalBrokerData(); | ||
| broker1.setBandwidthIn(new ResourceUsage(999, 1000)); | ||
| broker1.setBandwidthOut(new ResourceUsage(999, 1000)); | ||
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| LocalBrokerData broker2 = new LocalBrokerData(); | ||
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| String broker2Name = "broker2"; | ||
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| double brokerThroughput = 0; | ||
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| for (int i = 1; i <= numBundles; ++i) { | ||
| broker1.getBundles().add("bundle-" + i); | ||
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| BundleData bundle = new BundleData(); | ||
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| TimeAverageMessageData timeAverageMessageData = new TimeAverageMessageData(); | ||
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| double throughput = i * 1024 * 1024; | ||
| timeAverageMessageData.setMsgThroughputIn(throughput); | ||
| timeAverageMessageData.setMsgThroughputOut(throughput); | ||
| bundle.setShortTermData(timeAverageMessageData); | ||
| loadData.getBundleData().put("bundle-" + i, bundle); | ||
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| // This bundle should not be selected for `broker1` since it is belong to another broker. | ||
| String broker2BundleName = broker2Name + "-bundle-" + (numBundles + i); | ||
| loadData.getBundleData().put(broker2BundleName, bundle); | ||
| broker2.getBundles().add(broker2BundleName); | ||
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| brokerThroughput += throughput; | ||
| } | ||
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| broker1.setMsgThroughputIn(brokerThroughput); | ||
| broker1.setMsgThroughputOut(brokerThroughput); | ||
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| loadData.getBrokerData().put("broker-1", new BrokerData(broker1)); | ||
| loadData.getBrokerData().put(broker2Name, new BrokerData(broker2)); | ||
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| Multimap<String, String> bundlesToUnload = thresholdShedder.findBundlesForUnloading(loadData, conf); | ||
| assertFalse(bundlesToUnload.isEmpty()); | ||
| assertEquals(bundlesToUnload.get("broker-1"), | ||
| Lists.newArrayList("bundle-10", "bundle-9", "bundle-8")); | ||
| } | ||
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| @Test | ||
| public void testFilterRecentlyUnloaded() { | ||
| int numBundles = 10; | ||
| LoadData loadData = new LoadData(); | ||
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| LocalBrokerData broker1 = new LocalBrokerData(); | ||
| broker1.setBandwidthIn(new ResourceUsage(999, 1000)); | ||
| broker1.setBandwidthOut(new ResourceUsage(999, 1000)); | ||
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| LocalBrokerData broker2 = new LocalBrokerData(); | ||
| String broker2Name = "broker2"; | ||
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| double brokerThroughput = 0; | ||
| for (int i = 1; i <= numBundles; ++i) { | ||
| broker1.getBundles().add("bundle-" + i); | ||
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| BundleData bundleData = new BundleData(); | ||
| TimeAverageMessageData timeAverageMessageData = new TimeAverageMessageData(); | ||
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| double throughput = i * 1024 * 1024; | ||
| timeAverageMessageData.setMsgThroughputIn(throughput); | ||
| timeAverageMessageData.setMsgThroughputOut(throughput); | ||
| bundleData.setShortTermData(timeAverageMessageData); | ||
| loadData.getBundleData().put("bundle-" + i, bundleData); | ||
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| // This bundle should not be selected for `broker1` since it is belong to another broker. | ||
| String broker2BundleName = broker2Name + "-bundle-" + (numBundles + i); | ||
| loadData.getBundleData().put(broker2BundleName, bundleData); | ||
| broker2.getBundles().add(broker2BundleName); | ||
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| brokerThroughput += throughput; | ||
| } | ||
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| broker1.setMsgThroughputIn(brokerThroughput); | ||
| broker1.setMsgThroughputOut(brokerThroughput); | ||
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| loadData.getBrokerData().put("broker-1", new BrokerData(broker1)); | ||
| loadData.getBrokerData().put(broker2Name, new BrokerData(broker2)); | ||
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| loadData.getRecentlyUnloadedBundles().put("bundle-10", 1L); | ||
| loadData.getRecentlyUnloadedBundles().put("bundle-9", 1L); | ||
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| Multimap<String, String> bundlesToUnload = thresholdShedder.findBundlesForUnloading(loadData, conf); | ||
| assertFalse(bundlesToUnload.isEmpty()); | ||
| assertEquals(bundlesToUnload.get("broker-1"), | ||
| Lists.newArrayList("bundle-8", "bundle-7", "bundle-6", "bundle-5")); | ||
| } | ||
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| @Test | ||
| public void testPrintResourceUsage() { | ||
| LocalBrokerData data = new LocalBrokerData(); | ||
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| data.setCpu(new ResourceUsage(10, 100)); | ||
| data.setMemory(new ResourceUsage(50, 100)); | ||
| data.setDirectMemory(new ResourceUsage(90, 100)); | ||
| data.setBandwidthIn(new ResourceUsage(30, 100)); | ||
| data.setBandwidthOut(new ResourceUsage(20, 100)); | ||
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| assertEquals(data.printResourceUsage(), | ||
| "cpu: 10.00%, memory: 50.00%, directMemory: 90.00%, bandwidthIn: 30.00%, bandwidthOut: 20.00%"); | ||
| } | ||
| } |