jolshan commented on code in PR #14588: URL: https://github.com/apache/kafka/pull/14588#discussion_r1387308586
########## tools/src/test/java/org/apache/kafka/tools/other/ReplicationQuotasTestRig.java: ########## @@ -0,0 +1,479 @@ +/* + * 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.kafka.tools.other; + +import kafka.log.UnifiedLog; +import kafka.server.KafkaConfig; +import kafka.server.KafkaServer; +import kafka.server.QuorumTestHarness; +import kafka.server.QuotaType; +import kafka.utils.EmptyTestInfo; +import kafka.utils.Exit; +import kafka.utils.TestUtils; +import org.apache.kafka.clients.admin.Admin; +import org.apache.kafka.clients.admin.AdminClientConfig; +import org.apache.kafka.clients.producer.KafkaProducer; +import org.apache.kafka.clients.producer.ProducerRecord; +import org.apache.kafka.common.MetricName; +import org.apache.kafka.common.Node; +import org.apache.kafka.common.TopicPartition; +import org.apache.kafka.common.TopicPartitionInfo; +import org.apache.kafka.common.security.auth.SecurityProtocol; +import org.apache.kafka.common.serialization.ByteArraySerializer; +import org.apache.kafka.common.utils.Time; +import org.apache.kafka.common.utils.Utils; +import org.apache.kafka.tools.reassign.ReassignPartitionsCommand; +import org.apache.log4j.PropertyConfigurator; +import org.jfree.chart.ChartFactory; +import org.jfree.chart.ChartFrame; +import org.jfree.chart.JFreeChart; +import org.jfree.chart.plot.PlotOrientation; +import org.jfree.data.xy.XYSeries; +import org.jfree.data.xy.XYSeriesCollection; +import org.slf4j.Logger; +import org.slf4j.LoggerFactory; +import scala.Option; +import scala.collection.JavaConverters; +import scala.collection.Seq; + +import javax.imageio.ImageIO; +import java.io.File; +import java.io.IOException; +import java.io.OutputStream; +import java.io.PrintWriter; +import java.nio.file.Files; +import java.text.DecimalFormat; +import java.util.ArrayList; +import java.util.Arrays; +import java.util.Collection; +import java.util.Collections; +import java.util.HashMap; +import java.util.List; +import java.util.Map; +import java.util.Objects; +import java.util.Properties; +import java.util.TreeMap; +import java.util.concurrent.ExecutionException; +import java.util.function.Function; +import java.util.function.IntSupplier; +import java.util.stream.Collectors; +import java.util.stream.IntStream; + +import static java.nio.file.StandardOpenOption.APPEND; +import static java.nio.file.StandardOpenOption.CREATE; +import static org.apache.kafka.test.TestUtils.DEFAULT_MAX_WAIT_MS; + +/** + * Test rig for measuring throttling performance. Configure the parameters for a set of experiments, then execute them + * and view the html output file, with charts, that are produced. You can also render the charts to the screen if + * you wish. + * + * Currently you'll need about 40GB of disk space to run these experiments (largest data written x2). Tune the msgSize + * & #partitions and throttle to adjust this. + */ +public class ReplicationQuotasTestRig { + public static final Logger LOGGER = LoggerFactory.getLogger(ReplicationQuotasTestRig.class); + + public static final int K = 1000 * 1000; + + private static final String DIR; + + static { + PropertyConfigurator.configure("core/src/test/resources/log4j.properties"); + + new File("Experiments").mkdir(); + DIR = "Experiments/Run" + Long.valueOf(System.currentTimeMillis()).toString().substring(8); + new File(DIR).mkdir(); + } + + public static void main(String[] args) { + boolean displayChartsOnScreen = args.length > 0 && Objects.equals(args[0], "show-gui"); + Journal journal = new Journal(); + + List<ExperimentDef> experiments = Arrays.asList( + //1GB total data written, will take 210s + new ExperimentDef("Experiment1", 5, 20, 1 * K, 500, 100 * 1000), + //5GB total data written, will take 110s + new ExperimentDef("Experiment2", 5, 50, 10 * K, 1000, 100 * 1000), + //5GB total data written, will take 110s + new ExperimentDef("Experiment3", 50, 50, 2 * K, 1000, 100 * 1000), + //10GB total data written, will take 110s + new ExperimentDef("Experiment4", 25, 100, 4 * K, 1000, 100 * 1000), + //10GB total data written, will take 80s + new ExperimentDef("Experiment5", 5, 50, 50 * K, 4000, 100 * 1000) + ); + experiments.forEach(def -> run(def, journal, displayChartsOnScreen)); + + if (!displayChartsOnScreen) + Exit.exit(0, Option.empty()); + } + + static void run(ExperimentDef config, Journal journal, boolean displayChartsOnScreen) { + Experiment experiment = new Experiment(); + try { + experiment.setUp(new EmptyTestInfo()); + experiment.run(config, journal, displayChartsOnScreen); + journal.footer(); + } catch (Exception e) { + e.printStackTrace(); + } finally { + experiment.tearDown(); + } + } + + static class ExperimentDef { + String name; + int brokers; + int partitions; + long throttle; + int msgsPerPartition; + int msgSize; + + public ExperimentDef(String name, int brokers, int partitions, long throttle, int msgsPerPartition, int msgSize) { + this.name = name; + this.brokers = brokers; + this.partitions = partitions; + this.throttle = throttle; + this.msgsPerPartition = msgsPerPartition; + this.msgSize = msgSize; + } + + long targetBytesPerBrokerMB() { Review Comment: nit -- could we calculate this once and store in the constructor? -- This is an automated message from the Apache Git Service. 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