| /** |
| * 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.client.impl; |
| |
| import static org.junit.Assert.assertTrue; |
| |
| import com.google.common.collect.Lists; |
| import com.google.common.collect.Sets; |
| import com.google.common.util.concurrent.AtomicDouble; |
| import java.util.List; |
| import java.util.concurrent.Callable; |
| import java.util.concurrent.CountDownLatch; |
| import java.util.concurrent.ExecutorService; |
| import java.util.concurrent.Executors; |
| import java.util.concurrent.TimeUnit; |
| import java.util.concurrent.atomic.AtomicInteger; |
| import org.apache.pulsar.broker.service.Producer; |
| import org.apache.pulsar.broker.service.PublishRateLimiter; |
| import org.apache.pulsar.broker.service.persistent.PersistentTopic; |
| import org.apache.pulsar.client.api.ProducerConsumerBase; |
| import org.apache.pulsar.common.policies.data.PublishRate; |
| import org.slf4j.Logger; |
| import org.slf4j.LoggerFactory; |
| import org.testng.Assert; |
| import org.testng.annotations.AfterMethod; |
| import org.testng.annotations.BeforeMethod; |
| import org.testng.annotations.Test; |
| |
| public class MessagePublishThrottlingTest extends ProducerConsumerBase { |
| private static final Logger log = LoggerFactory.getLogger(MessagePublishThrottlingTest.class); |
| |
| @BeforeMethod |
| @Override |
| protected void setup() throws Exception { |
| super.internalSetup(); |
| super.producerBaseSetup(); |
| this.conf.setClusterName("test"); |
| this.conf.setTopicPublisherThrottlingTickTimeMillis(1); |
| this.conf.setBrokerPublisherThrottlingTickTimeMillis(1); |
| } |
| |
| @AfterMethod(alwaysRun = true) |
| @Override |
| protected void cleanup() throws Exception { |
| super.internalCleanup(); |
| super.resetConfig(); |
| } |
| |
| /** |
| * Verifies publish rate limiting by setting rate-limiting on number of published messages. |
| * |
| * @throws Exception |
| */ |
| @Test |
| public void testSimplePublishMessageThrottling() throws Exception { |
| log.info("-- Starting {} test --", methodName); |
| |
| final String namespace = "my-property/throttling_publish"; |
| final String topicName = "persistent://" + namespace + "/throttlingMessageBlock"; |
| |
| admin.namespaces().createNamespace(namespace, Sets.newHashSet("test")); |
| PublishRate publishMsgRate = new PublishRate(); |
| publishMsgRate.publishThrottlingRateInMsg = 10; |
| |
| // create producer and topic |
| ProducerImpl<byte[]> producer = (ProducerImpl<byte[]>) pulsarClient.newProducer().topic(topicName) |
| .maxPendingMessages(30000).create(); |
| PersistentTopic topic = (PersistentTopic) pulsar.getBrokerService().getTopicIfExists(topicName).get().get(); |
| // (1) verify message-rate is -1 initially |
| Assert.assertEquals(topic.getTopicPublishRateLimiter(), PublishRateLimiter.DISABLED_RATE_LIMITER); |
| |
| // enable throttling |
| admin.namespaces().setPublishRate(namespace, publishMsgRate); |
| retryStrategically((test) -> |
| !topic.getTopicPublishRateLimiter().equals(PublishRateLimiter.DISABLED_RATE_LIMITER), |
| 5, |
| 200); |
| Assert.assertNotEquals(topic.getTopicPublishRateLimiter(), PublishRateLimiter.DISABLED_RATE_LIMITER); |
| |
| Producer prod = topic.getProducers().values().iterator().next(); |
| // reset counter |
| prod.updateRates(); |
| int total = 200; |
| for (int i = 0; i < total; i++) { |
| producer.send(new byte[80]); |
| } |
| // calculate rates and due to throttling rate should be < total per-second |
| prod.updateRates(); |
| double rateIn = prod.getStats().msgRateIn; |
| assertTrue(rateIn < total); |
| |
| // disable throttling |
| publishMsgRate.publishThrottlingRateInMsg = -1; |
| admin.namespaces().setPublishRate(namespace, publishMsgRate); |
| retryStrategically((test) -> |
| topic.getTopicPublishRateLimiter().equals(PublishRateLimiter.DISABLED_RATE_LIMITER), |
| 5, |
| 200); |
| Assert.assertEquals(topic.getTopicPublishRateLimiter(), PublishRateLimiter.DISABLED_RATE_LIMITER); |
| |
| // reset counter |
| prod.updateRates(); |
| for (int i = 0; i < total; i++) { |
| producer.send(new byte[80]); |
| } |
| |
| prod.updateRates(); |
| rateIn = prod.getStats().msgRateIn; |
| assertTrue(rateIn > total); |
| |
| producer.close(); |
| } |
| |
| /** |
| * Verifies publish rate limiting by setting rate-limiting on number of publish bytes. |
| * |
| * @throws Exception |
| */ |
| @Test |
| public void testSimplePublishByteThrottling() throws Exception { |
| log.info("-- Starting {} test --", methodName); |
| |
| final String namespace = "my-property/throttling_publish"; |
| final String topicName = "persistent://" + namespace + "/throttlingRateBlock"; |
| |
| admin.namespaces().createNamespace(namespace, Sets.newHashSet("test")); |
| PublishRate publishMsgRate = new PublishRate(); |
| publishMsgRate.publishThrottlingRateInByte = 400; |
| |
| // create producer and topic |
| ProducerImpl<byte[]> producer = (ProducerImpl<byte[]>) pulsarClient.newProducer().topic(topicName).create(); |
| PersistentTopic topic = (PersistentTopic) pulsar.getBrokerService().getOrCreateTopic(topicName).get(); |
| // (1) verify message-rate is -1 initially |
| Assert.assertEquals(topic.getTopicPublishRateLimiter(), PublishRateLimiter.DISABLED_RATE_LIMITER); |
| |
| // enable throttling |
| admin.namespaces().setPublishRate(namespace, publishMsgRate); |
| retryStrategically((test) -> |
| !topic.getTopicPublishRateLimiter().equals(PublishRateLimiter.DISABLED_RATE_LIMITER), |
| 5, |
| 200); |
| Assert.assertNotEquals(topic.getTopicPublishRateLimiter(), PublishRateLimiter.DISABLED_RATE_LIMITER); |
| |
| Producer prod = topic.getProducers().values().iterator().next(); |
| // reset counter |
| prod.updateRates(); |
| int total = 100; |
| for (int i = 0; i < total; i++) { |
| producer.send(new byte[1]); |
| } |
| // calculate rates and due to throttling rate should be < total per-second |
| prod.updateRates(); |
| double rateIn = prod.getStats().msgRateIn; |
| assertTrue(rateIn < total); |
| |
| // disable throttling |
| publishMsgRate.publishThrottlingRateInByte = -1; |
| admin.namespaces().setPublishRate(namespace, publishMsgRate); |
| retryStrategically((test) -> topic.getTopicPublishRateLimiter().equals(PublishRateLimiter.DISABLED_RATE_LIMITER), 5, |
| 200); |
| Assert.assertEquals(topic.getTopicPublishRateLimiter(), PublishRateLimiter.DISABLED_RATE_LIMITER); |
| |
| // reset counter |
| prod.updateRates(); |
| for (int i = 0; i < total; i++) { |
| producer.send(new byte[1]); |
| } |
| |
| prod.updateRates(); |
| rateIn = prod.getStats().msgRateIn; |
| assertTrue(rateIn > total); |
| |
| producer.close(); |
| } |
| |
| /** |
| * Verifies publish rate limiting by setting rate-limiting on number of published messages. |
| * Broker publish throttle enabled / topic publish throttle disabled |
| * @throws Exception |
| */ |
| @Test |
| public void testBrokerPublishMessageThrottling() throws Exception { |
| log.info("-- Starting {} test --", methodName); |
| |
| final String namespace = "my-property/throttling_publish"; |
| final String topicName = "persistent://" + namespace + "/brokerThrottlingMessageBlock"; |
| |
| admin.namespaces().createNamespace(namespace, Sets.newHashSet("test")); |
| int messageRate = 10; |
| |
| // create producer and topic |
| ProducerImpl<byte[]> producer = (ProducerImpl<byte[]>) pulsarClient.newProducer() |
| .topic(topicName) |
| .enableBatching(false) |
| .maxPendingMessages(30000).create(); |
| PersistentTopic topic = (PersistentTopic) pulsar.getBrokerService().getTopicIfExists(topicName).get().get(); |
| // (1) verify message-rate is -1 initially |
| Assert.assertEquals(topic.getBrokerPublishRateLimiter(), PublishRateLimiter.DISABLED_RATE_LIMITER); |
| |
| // enable throttling |
| admin.brokers(). |
| updateDynamicConfiguration( |
| "brokerPublisherThrottlingMaxMessageRate", |
| Integer.toString(messageRate)); |
| |
| retryStrategically( |
| (test) -> |
| (topic.getBrokerPublishRateLimiter() != PublishRateLimiter.DISABLED_RATE_LIMITER), |
| 5, |
| 200); |
| |
| log.info("Get broker configuration: brokerTick {}, MaxMessageRate {}, MaxByteRate {}", |
| pulsar.getConfiguration().getBrokerPublisherThrottlingTickTimeMillis(), |
| pulsar.getConfiguration().getBrokerPublisherThrottlingMaxMessageRate(), |
| pulsar.getConfiguration().getBrokerPublisherThrottlingMaxByteRate()); |
| |
| Assert.assertNotEquals(topic.getBrokerPublishRateLimiter(), PublishRateLimiter.DISABLED_RATE_LIMITER); |
| |
| Producer prod = topic.getProducers().values().iterator().next(); |
| // reset counter |
| prod.updateRates(); |
| int total = 100; |
| for (int i = 0; i < total; i++) { |
| producer.send(new byte[80]); |
| } |
| // calculate rates and due to throttling rate should be < total per-second |
| prod.updateRates(); |
| double rateIn = prod.getStats().msgRateIn; |
| log.info("1-st rate in: {}, total: {} ", rateIn, total); |
| assertTrue(rateIn < total); |
| |
| // disable throttling |
| admin.brokers() |
| .updateDynamicConfiguration("brokerPublisherThrottlingMaxMessageRate", Integer.toString(0)); |
| retryStrategically((test) -> |
| topic.getBrokerPublishRateLimiter().equals(PublishRateLimiter.DISABLED_RATE_LIMITER), |
| 5, |
| 200); |
| Assert.assertEquals(topic.getBrokerPublishRateLimiter(), PublishRateLimiter.DISABLED_RATE_LIMITER); |
| |
| // reset counter |
| prod.updateRates(); |
| for (int i = 0; i < total; i++) { |
| producer.send(new byte[80]); |
| } |
| |
| prod.updateRates(); |
| rateIn = prod.getStats().msgRateIn; |
| log.info("2-nd rate in: {}, total: {} ", rateIn, total); |
| assertTrue(rateIn > total); |
| |
| producer.close(); |
| } |
| |
| /** |
| * Verifies publish rate limiting by setting rate-limiting on number of publish bytes. |
| * Broker publish throttle enabled / topic publish throttle disabled |
| * @throws Exception |
| */ |
| @Test |
| public void testBrokerPublishByteThrottling() throws Exception { |
| log.info("-- Starting {} test --", methodName); |
| |
| final String namespace = "my-property/throttling_publish"; |
| final String topicName = "persistent://" + namespace + "/brokerThrottlingByteBlock"; |
| |
| admin.namespaces().createNamespace(namespace, Sets.newHashSet("test")); |
| long byteRate = 400; |
| |
| // create producer and topic |
| ProducerImpl<byte[]> producer = (ProducerImpl<byte[]>) pulsarClient.newProducer() |
| .topic(topicName) |
| .enableBatching(false) |
| .maxPendingMessages(30000).create(); |
| PersistentTopic topic = (PersistentTopic) pulsar.getBrokerService().getTopicIfExists(topicName).get().get(); |
| // (1) verify byte-rate is -1 disabled |
| Assert.assertEquals(topic.getBrokerPublishRateLimiter(), PublishRateLimiter.DISABLED_RATE_LIMITER); |
| |
| // enable throttling |
| admin.brokers() |
| .updateDynamicConfiguration("brokerPublisherThrottlingMaxByteRate", Long.toString(byteRate)); |
| |
| retryStrategically( |
| (test) -> |
| (topic.getBrokerPublishRateLimiter() != PublishRateLimiter.DISABLED_RATE_LIMITER), |
| 5, |
| 200); |
| |
| log.info("Get broker configuration after enable: brokerTick {}, MaxMessageRate {}, MaxByteRate {}", |
| pulsar.getConfiguration().getBrokerPublisherThrottlingTickTimeMillis(), |
| pulsar.getConfiguration().getBrokerPublisherThrottlingMaxMessageRate(), |
| pulsar.getConfiguration().getBrokerPublisherThrottlingMaxByteRate()); |
| |
| Assert.assertNotEquals(topic.getBrokerPublishRateLimiter(), PublishRateLimiter.DISABLED_RATE_LIMITER); |
| |
| Producer prod = topic.getProducers().values().iterator().next(); |
| // reset counter |
| prod.updateRates(); |
| int numMessage = 20; |
| int msgBytes = 80; |
| |
| for (int i = 0; i < numMessage; i++) { |
| producer.send(new byte[msgBytes]); |
| } |
| // calculate rates and due to throttling rate should be < total per-second |
| prod.updateRates(); |
| double rateIn = prod.getStats().msgThroughputIn; |
| log.info("1-st byte rate in: {}, total: {} ", rateIn, numMessage * msgBytes); |
| assertTrue(rateIn < numMessage * msgBytes); |
| |
| // disable throttling |
| admin.brokers() |
| .updateDynamicConfiguration("brokerPublisherThrottlingMaxByteRate", Long.toString(0)); |
| retryStrategically((test) -> |
| topic.getBrokerPublishRateLimiter().equals(PublishRateLimiter.DISABLED_RATE_LIMITER), |
| 5, |
| 200); |
| |
| log.info("Get broker configuration after disable: brokerTick {}, MaxMessageRate {}, MaxByteRate {}", |
| pulsar.getConfiguration().getBrokerPublisherThrottlingTickTimeMillis(), |
| pulsar.getConfiguration().getBrokerPublisherThrottlingMaxMessageRate(), |
| pulsar.getConfiguration().getBrokerPublisherThrottlingMaxByteRate()); |
| |
| Assert.assertEquals(topic.getBrokerPublishRateLimiter(), PublishRateLimiter.DISABLED_RATE_LIMITER); |
| |
| // reset counter |
| prod.updateRates(); |
| for (int i = 0; i < numMessage; i++) { |
| producer.send(new byte[msgBytes]); |
| } |
| |
| prod.updateRates(); |
| rateIn = prod.getStats().msgThroughputIn; |
| log.info("2-nd byte rate in: {}, total: {} ", rateIn, numMessage * msgBytes); |
| assertTrue(rateIn > numMessage * msgBytes); |
| |
| producer.close(); |
| } |
| |
| /** |
| * Verifies publish rate limiting by setting rate-limiting on number of publish bytes. |
| * Broker publish throttle / topic publish throttle both enabled. |
| * 1. set brokerByteRate > topicByteRate, |
| * 2. with 1 topic, topicByteRate first take effective, then brokerByteRate take effective, the former rate is less. |
| * 3. create 3 topics with same rate limit, publish should throttle by broker and topic limit. |
| * @throws Exception |
| */ |
| @Test |
| public void testBrokerTopicPublishByteThrottling() throws Exception { |
| log.info("-- Starting {} test --", methodName); |
| |
| final String namespace = "my-property/throttling_publish"; |
| final String topicName = "persistent://" + namespace + "/brokerTopicThrottlingByteBlock"; |
| |
| admin.namespaces().createNamespace(namespace, Sets.newHashSet("test")); |
| PublishRate topicPublishMsgRate = new PublishRate(); |
| long topicByteRate = 400; |
| long brokerByteRate = 800; |
| topicPublishMsgRate.publishThrottlingRateInByte = topicByteRate; |
| |
| // create producer and topic |
| ProducerImpl<byte[]> producer = (ProducerImpl<byte[]>) pulsarClient.newProducer() |
| .topic(topicName) |
| .enableBatching(false) |
| .maxPendingMessages(30000).create(); |
| PersistentTopic topic = (PersistentTopic) pulsar.getBrokerService().getTopicIfExists(topicName).get().get(); |
| // (1) verify both broker and topic limiter is disabled |
| Assert.assertEquals(topic.getBrokerPublishRateLimiter(), PublishRateLimiter.DISABLED_RATE_LIMITER); |
| Assert.assertEquals(topic.getTopicPublishRateLimiter(), PublishRateLimiter.DISABLED_RATE_LIMITER); |
| |
| // enable broker and topic throttling |
| admin.brokers().updateDynamicConfiguration("brokerPublisherThrottlingMaxByteRate", |
| Long.toString(brokerByteRate)); |
| admin.namespaces().setPublishRate(namespace, topicPublishMsgRate); |
| retryStrategically((test) -> |
| !topic.getTopicPublishRateLimiter().equals(PublishRateLimiter.DISABLED_RATE_LIMITER), |
| 5, |
| 200); |
| retryStrategically( |
| (test) -> |
| (topic.getBrokerPublishRateLimiter() != PublishRateLimiter.DISABLED_RATE_LIMITER), |
| 5, |
| 200); |
| |
| log.info("Get broker configuration after enable: brokerTick {}, MaxMessageRate {}, MaxByteRate {}", |
| pulsar.getConfiguration().getBrokerPublisherThrottlingTickTimeMillis(), |
| pulsar.getConfiguration().getBrokerPublisherThrottlingMaxMessageRate(), |
| pulsar.getConfiguration().getBrokerPublisherThrottlingMaxByteRate()); |
| |
| Assert.assertNotEquals(topic.getBrokerPublishRateLimiter(), PublishRateLimiter.DISABLED_RATE_LIMITER); |
| Assert.assertNotEquals(topic.getTopicPublishRateLimiter(), PublishRateLimiter.DISABLED_RATE_LIMITER); |
| |
| Producer prod = topic.getProducers().values().iterator().next(); |
| // reset counter |
| prod.updateRates(); |
| int numMessage = 40; |
| int msgBytes = 80; |
| |
| for (int i = 0; i < numMessage; i++) { |
| producer.send(new byte[msgBytes]); |
| } |
| // calculate rates and due to throttling rate should be < total per-second |
| prod.updateRates(); |
| double rateIn = prod.getStats().msgThroughputIn; |
| log.info("1-st byte rate in 1: {}, total: {} ", rateIn, numMessage * msgBytes); |
| assertTrue(rateIn < numMessage * msgBytes); |
| |
| // create other topics, and count the produce rate, this should be throttle by both topic and broker limit. |
| int topicNumber = 3; |
| final String topicNameBase = "persistent://" + namespace + "/brokerTopicThrottlingByteBlock"; |
| List<ProducerImpl<byte[]>> producers = Lists.newArrayListWithExpectedSize(topicNumber); |
| List<PersistentTopic> topics = Lists.newArrayListWithExpectedSize(topicNumber); |
| |
| for (int i = 0 ; i < topicNumber; i ++) { |
| String iTopicName = topicNameBase + i; |
| ProducerImpl<byte[]> iProducer = (ProducerImpl<byte[]>) pulsarClient.newProducer() |
| .topic(iTopicName) |
| .enableBatching(false) |
| .maxPendingMessages(30000) |
| .create(); |
| PersistentTopic iTopic = (PersistentTopic) pulsar.getBrokerService() |
| .getTopicIfExists(iTopicName).get().get(); |
| |
| producers.add(iProducer); |
| topics.add(iTopic); |
| |
| // verify both broker and topic limiter is enabled |
| Assert.assertNotEquals(iTopic.getBrokerPublishRateLimiter(), PublishRateLimiter.DISABLED_RATE_LIMITER); |
| |
| admin.namespaces().setPublishRate(namespace, topicPublishMsgRate); |
| retryStrategically((test) -> |
| !iTopic.getTopicPublishRateLimiter().equals(PublishRateLimiter.DISABLED_RATE_LIMITER), |
| 5, |
| 200); |
| Assert.assertNotEquals(iTopic.getTopicPublishRateLimiter(), PublishRateLimiter.DISABLED_RATE_LIMITER); |
| } |
| |
| List<Callable<Void>> topicRatesCounter = Lists.newArrayListWithExpectedSize(3); |
| ExecutorService executor = Executors.newSingleThreadExecutor(); |
| final AtomicDouble topicsRateIn = new AtomicDouble(0); |
| final AtomicInteger index = new AtomicInteger(0); |
| CountDownLatch latch = new CountDownLatch(topicNumber); |
| |
| for (int i = 0; i < topicNumber; i ++) { |
| topicRatesCounter.add(() -> { |
| int id = index.incrementAndGet(); |
| ProducerImpl<byte[]> iProducer = producers.get(id); |
| PersistentTopic iTopic = topics.get(id); |
| Producer iProd = iTopic.getProducers().values().iterator().next(); |
| // reset counter |
| iProd.updateRates(); |
| |
| for (int j = 0; j < numMessage; j++) { |
| iProducer.send(new byte[msgBytes]); |
| } |
| iProd.updateRates(); |
| topicsRateIn.addAndGet(iProd.getStats().msgThroughputIn); |
| latch.countDown(); |
| return null; |
| }); |
| } |
| executor.invokeAll(topicRatesCounter); |
| latch.await(2, TimeUnit.SECONDS); |
| log.info("2-nd rate in: {}, total: {} ", topicsRateIn.get(), topicNumber * numMessage * msgBytes); |
| assertTrue(rateIn < topicsRateIn.get()); |
| assertTrue(rateIn < topicNumber * numMessage * msgBytes); |
| |
| // disable topic throttling, it will use broker throttling, expected rateIn bigger than before. |
| topicPublishMsgRate.publishThrottlingRateInByte = -1; |
| admin.namespaces().setPublishRate(namespace, topicPublishMsgRate); |
| retryStrategically((test) -> |
| topic.getTopicPublishRateLimiter().equals(PublishRateLimiter.DISABLED_RATE_LIMITER), |
| 5, |
| 200); |
| Assert.assertEquals(topic.getTopicPublishRateLimiter(), PublishRateLimiter.DISABLED_RATE_LIMITER); |
| |
| // reset counter |
| prod.updateRates(); |
| for (int i = 0; i < numMessage; i++) { |
| producer.send(new byte[msgBytes]); |
| } |
| // calculate rates and due to use broker throttling, expected rateIn bigger than topic throttling. |
| prod.updateRates(); |
| double rateIn2 = prod.getStats().msgThroughputIn; |
| log.info("3-rd byte rate in: {}, rate in 2: {}, total: {} ", rateIn, rateIn2, numMessage * msgBytes); |
| assertTrue(rateIn < rateIn2); |
| assertTrue(rateIn2 < numMessage * msgBytes); |
| |
| // disable broker throttling, expected no throttling. |
| admin.brokers() |
| .updateDynamicConfiguration("brokerPublisherThrottlingMaxByteRate", Long.toString(0)); |
| retryStrategically((test) -> |
| topic.getBrokerPublishRateLimiter().equals(PublishRateLimiter.DISABLED_RATE_LIMITER), |
| 5, |
| 200); |
| |
| log.info("Get broker configuration after disable: brokerTick {}, MaxMessageRate {}, MaxByteRate {}", |
| pulsar.getConfiguration().getBrokerPublisherThrottlingTickTimeMillis(), |
| pulsar.getConfiguration().getBrokerPublisherThrottlingMaxMessageRate(), |
| pulsar.getConfiguration().getBrokerPublisherThrottlingMaxByteRate()); |
| |
| Assert.assertEquals(topic.getBrokerPublishRateLimiter(), PublishRateLimiter.DISABLED_RATE_LIMITER); |
| |
| // reset counter |
| prod.updateRates(); |
| for (int i = 0; i < numMessage; i++) { |
| producer.send(new byte[msgBytes]); |
| } |
| |
| prod.updateRates(); |
| rateIn = prod.getStats().msgThroughputIn; |
| log.info("4-th byte rate in: {}, total: {} ", rateIn, numMessage * msgBytes); |
| assertTrue(rateIn > numMessage * msgBytes); |
| |
| producer.close(); |
| executor.shutdown(); |
| } |
| } |