| /* |
| * 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.stats; |
| |
| import static org.apache.pulsar.broker.BrokerTestUtil.spyWithClassAndConstructorArgs; |
| import static org.mockito.Mockito.mock; |
| import static org.testng.Assert.assertNotEquals; |
| import static org.testng.AssertJUnit.assertEquals; |
| import com.fasterxml.jackson.databind.JsonNode; |
| import com.fasterxml.jackson.databind.ObjectMapper; |
| import com.google.common.collect.Multimap; |
| import com.google.common.collect.Sets; |
| import java.io.ByteArrayOutputStream; |
| import java.lang.reflect.Field; |
| import java.nio.charset.StandardCharsets; |
| import java.util.ArrayList; |
| import java.util.Collection; |
| import java.util.HashMap; |
| import java.util.Iterator; |
| import java.util.List; |
| import java.util.Map; |
| import java.util.Set; |
| import java.util.UUID; |
| import java.util.concurrent.CompletableFuture; |
| import java.util.concurrent.CountDownLatch; |
| import java.util.concurrent.TimeUnit; |
| import lombok.Cleanup; |
| import lombok.extern.slf4j.Slf4j; |
| import org.apache.commons.lang3.tuple.Pair; |
| import org.apache.pulsar.broker.ServiceConfiguration; |
| import org.apache.pulsar.broker.service.Subscription; |
| import org.apache.pulsar.broker.service.Topic; |
| import org.apache.pulsar.broker.service.persistent.PersistentTopic; |
| import org.apache.pulsar.broker.service.plugin.EntryFilter; |
| import org.apache.pulsar.broker.service.plugin.EntryFilterProducerTest; |
| import org.apache.pulsar.broker.service.plugin.EntryFilterWithClassLoader; |
| import org.apache.pulsar.broker.stats.prometheus.PrometheusMetricsGenerator; |
| import org.apache.pulsar.client.admin.PulsarAdminException; |
| import org.apache.pulsar.client.api.Consumer; |
| import org.apache.pulsar.client.api.Message; |
| import org.apache.pulsar.client.api.MessageId; |
| import org.apache.pulsar.client.api.MessageListener; |
| import org.apache.pulsar.client.api.Producer; |
| import org.apache.pulsar.client.api.ProducerConsumerBase; |
| import org.apache.pulsar.client.api.PulsarClientException; |
| import org.apache.pulsar.client.api.Schema; |
| import org.apache.pulsar.client.api.SubscriptionInitialPosition; |
| import org.apache.pulsar.client.api.SubscriptionType; |
| import org.apache.pulsar.common.naming.TopicName; |
| import org.apache.pulsar.common.nar.NarClassLoader; |
| import org.apache.pulsar.common.policies.data.ConsumerStats; |
| import org.apache.pulsar.common.policies.data.TopicStats; |
| import org.apache.pulsar.common.policies.data.stats.ConsumerStatsImpl; |
| import org.apache.pulsar.common.util.FutureUtil; |
| import org.apache.pulsar.common.util.ObjectMapperFactory; |
| import org.testng.Assert; |
| import org.testng.annotations.AfterMethod; |
| import org.testng.annotations.BeforeMethod; |
| import org.testng.annotations.Test; |
| |
| @Slf4j |
| @Test(groups = "broker") |
| public class ConsumerStatsTest extends ProducerConsumerBase { |
| |
| @BeforeMethod |
| @Override |
| protected void setup() throws Exception { |
| super.internalSetup(); |
| super.producerBaseSetup(); |
| } |
| |
| @Override |
| protected ServiceConfiguration getDefaultConf() { |
| ServiceConfiguration conf = super.getDefaultConf(); |
| conf.setMaxUnackedMessagesPerConsumer(0); |
| // wait for shutdown of the broker, this prevents flakiness which could be caused by metrics being |
| // unregistered asynchronously. This impacts the execution of the next test method if this would be happening. |
| conf.setBrokerShutdownTimeoutMs(5000L); |
| return conf; |
| } |
| |
| @AfterMethod(alwaysRun = true) |
| @Override |
| protected void cleanup() throws Exception { |
| super.internalCleanup(); |
| } |
| |
| @Test |
| public void testConsumerStatsOnZeroMaxUnackedMessagesPerConsumer() throws PulsarClientException, InterruptedException, PulsarAdminException { |
| Assert.assertEquals(pulsar.getConfiguration().getMaxUnackedMessagesPerConsumer(), 0); |
| final String topicName = "persistent://my-property/my-ns/testConsumerStatsOnZeroMaxUnackedMessagesPerConsumer"; |
| |
| Consumer<byte[]> consumer = pulsarClient.newConsumer() |
| .topic(topicName) |
| .subscriptionType(SubscriptionType.Shared) |
| .ackTimeout(1, TimeUnit.SECONDS) |
| .subscriptionName("sub") |
| .subscribe(); |
| |
| Producer<byte[]> producer = pulsarClient.newProducer() |
| .topic(topicName) |
| .create(); |
| |
| final int messages = 10; |
| for (int i = 0; i < messages; i++) { |
| producer.send(("message-" + i).getBytes()); |
| } |
| |
| int received = 0; |
| for (int i = 0; i < messages; i++) { |
| // don't ack messages here |
| consumer.receive(); |
| received++; |
| } |
| |
| Assert.assertEquals(received, messages); |
| received = 0; |
| |
| TopicStats stats = admin.topics().getStats(topicName); |
| Assert.assertEquals(stats.getSubscriptions().size(), 1); |
| Assert.assertEquals(stats.getSubscriptions().entrySet().iterator().next().getValue().getConsumers().size(), 1); |
| Assert.assertFalse(stats.getSubscriptions().entrySet().iterator().next().getValue().getConsumers().get(0).isBlockedConsumerOnUnackedMsgs()); |
| Assert.assertEquals(stats.getSubscriptions().entrySet().iterator().next().getValue().getConsumers().get(0).getUnackedMessages(), messages); |
| |
| for (int i = 0; i < messages; i++) { |
| consumer.acknowledge(consumer.receive()); |
| received++; |
| } |
| |
| Assert.assertEquals(received, messages); |
| |
| // wait acknowledge send |
| Thread.sleep(2000); |
| |
| stats = admin.topics().getStats(topicName); |
| |
| Assert.assertFalse(stats.getSubscriptions().entrySet().iterator().next().getValue().getConsumers().get(0).isBlockedConsumerOnUnackedMsgs()); |
| Assert.assertEquals(stats.getSubscriptions().entrySet().iterator().next().getValue().getConsumers().get(0).getUnackedMessages(), 0); |
| } |
| |
| @Test |
| public void testAckStatsOnPartitionedTopicForExclusiveSubscription() throws PulsarAdminException, PulsarClientException, InterruptedException { |
| final String topic = "persistent://my-property/my-ns/testAckStatsOnPartitionedTopicForExclusiveSubscription"; |
| admin.topics().createPartitionedTopic(topic, 3); |
| Consumer<byte[]> consumer = pulsarClient.newConsumer() |
| .topic(topic) |
| .subscriptionType(SubscriptionType.Exclusive) |
| .subscriptionName("sub") |
| .subscribe(); |
| |
| Producer<byte[]> producer = pulsarClient.newProducer() |
| .topic(topic) |
| .create(); |
| |
| final int messages = 10; |
| for (int i = 0; i < messages; i++) { |
| producer.send(("message-" + i).getBytes()); |
| } |
| |
| int received = 0; |
| for (int i = 0; i < messages; i++) { |
| consumer.acknowledge(consumer.receive()); |
| received++; |
| } |
| Assert.assertEquals(messages, received); |
| |
| // wait acknowledge send |
| Thread.sleep(2000); |
| |
| for (int i = 0; i < 3; i++) { |
| TopicStats stats = admin.topics().getStats(topic + "-partition-" + i); |
| Assert.assertEquals(stats.getSubscriptions().size(), 1); |
| Assert.assertEquals(stats.getSubscriptions().entrySet().iterator().next().getValue().getConsumers().size(), 1); |
| Assert.assertEquals(stats.getSubscriptions().entrySet().iterator().next().getValue().getConsumers().get(0).getUnackedMessages(), 0); |
| } |
| } |
| |
| @Test |
| public void testUpdateStatsForActiveConsumerAndSubscription() throws Exception { |
| final String topicName = "persistent://prop/use/ns-abc/testUpdateStatsForActiveConsumerAndSubscription"; |
| pulsarClient.newConsumer() |
| .topic(topicName) |
| .subscriptionType(SubscriptionType.Shared) |
| .subscriptionName("my-subscription") |
| .subscribe(); |
| |
| PersistentTopic topicRef = (PersistentTopic) pulsar.getBrokerService().getTopicReference(topicName).get(); |
| Assert.assertNotNull(topicRef); |
| Assert.assertEquals(topicRef.getSubscriptions().size(), 1); |
| List<org.apache.pulsar.broker.service.Consumer> consumers = topicRef.getSubscriptions() |
| .get("my-subscription").getConsumers(); |
| Assert.assertEquals(consumers.size(), 1); |
| ConsumerStatsImpl consumerStats = new ConsumerStatsImpl(); |
| consumerStats.msgOutCounter = 10; |
| consumerStats.bytesOutCounter = 1280; |
| consumers.get(0).updateStats(consumerStats); |
| ConsumerStats updatedStats = consumers.get(0).getStats(); |
| |
| Assert.assertEquals(updatedStats.getMsgOutCounter(), 10); |
| Assert.assertEquals(updatedStats.getBytesOutCounter(), 1280); |
| } |
| |
| @Test |
| public void testConsumerStatsOutput() throws Exception { |
| Set<String> allowedFields = Sets.newHashSet( |
| "msgRateOut", |
| "msgThroughputOut", |
| "bytesOutCounter", |
| "msgOutCounter", |
| "messageAckRate", |
| "msgRateRedeliver", |
| "chunkedMessageRate", |
| "consumerName", |
| "availablePermits", |
| "unackedMessages", |
| "avgMessagesPerEntry", |
| "blockedConsumerOnUnackedMsgs", |
| "readPositionWhenJoining", |
| "lastAckedTime", |
| "lastAckedTimestamp", |
| "lastConsumedTime", |
| "lastConsumedTimestamp", |
| "lastConsumedFlowTimestamp", |
| "keyHashRanges", |
| "metadata", |
| "address", |
| "connectedSince", |
| "clientVersion"); |
| |
| final String topicName = "persistent://prop/use/ns-abc/testConsumerStatsOutput"; |
| final String subName = "my-subscription"; |
| |
| Consumer<byte[]> consumer = pulsarClient.newConsumer() |
| .topic(topicName) |
| .subscriptionType(SubscriptionType.Shared) |
| .subscriptionName(subName) |
| .subscribe(); |
| |
| TopicStats stats = admin.topics().getStats(topicName); |
| ObjectMapper mapper = ObjectMapperFactory.create(); |
| ConsumerStats consumerStats = stats.getSubscriptions() |
| .get(subName).getConsumers().get(0); |
| Assert.assertTrue(consumerStats.getLastConsumedFlowTimestamp() > 0); |
| JsonNode node = mapper.readTree(mapper.writer().writeValueAsString(consumerStats)); |
| Iterator<String> itr = node.fieldNames(); |
| while (itr.hasNext()) { |
| String field = itr.next(); |
| Assert.assertTrue(allowedFields.contains(field), field + " should not be exposed"); |
| } |
| |
| consumer.close(); |
| } |
| |
| |
| @Test |
| public void testPersistentTopicMessageAckRateMetricTopicLevel() throws Exception { |
| String topicName = "persistent://public/default/msg_ack_rate" + UUID.randomUUID(); |
| testMessageAckRateMetric(topicName, true); |
| } |
| |
| @Test |
| public void testPersistentTopicMessageAckRateMetricNamespaceLevel() throws Exception { |
| String topicName = "persistent://public/default/msg_ack_rate" + UUID.randomUUID(); |
| testMessageAckRateMetric(topicName, false); |
| } |
| |
| private void testMessageAckRateMetric(String topicName, boolean exposeTopicLevelMetrics) |
| throws Exception { |
| final int messages = 1000; |
| String subName = "test_sub"; |
| CountDownLatch latch = new CountDownLatch(messages); |
| |
| @Cleanup |
| Producer<String> producer = pulsarClient.newProducer(Schema.STRING).topic(topicName) |
| .enableBatching(true).batchingMaxMessages(10).create(); |
| |
| MessageListener<String> listener = (consumer, msg) -> { |
| try { |
| consumer.acknowledge(msg); |
| latch.countDown(); |
| } catch (PulsarClientException e) { |
| //ignore |
| } |
| }; |
| @Cleanup |
| Consumer<String> c1 = pulsarClient.newConsumer(Schema.STRING) |
| .topic(topicName) |
| .subscriptionName(subName) |
| .subscriptionType(SubscriptionType.Shared) |
| .messageListener(listener) |
| .subscribe(); |
| @Cleanup |
| Consumer<String> c2 = pulsarClient.newConsumer(Schema.STRING) |
| .topic(topicName) |
| .subscriptionName(subName) |
| .subscriptionType(SubscriptionType.Shared) |
| .messageListener(listener) |
| .subscribe(); |
| |
| String namespace = TopicName.get(topicName).getNamespace(); |
| |
| for (int i = 0; i < messages; i++) { |
| producer.sendAsync(UUID.randomUUID().toString()); |
| } |
| producer.flush(); |
| |
| latch.await(20, TimeUnit.SECONDS); |
| TimeUnit.SECONDS.sleep(1); |
| |
| Topic topic = pulsar.getBrokerService().getTopic(topicName, false).get().get(); |
| Subscription subscription = topic.getSubscription(subName); |
| List<org.apache.pulsar.broker.service.Consumer> consumers = subscription.getConsumers(); |
| Assert.assertEquals(consumers.size(), 2); |
| org.apache.pulsar.broker.service.Consumer consumer1 = consumers.get(0); |
| org.apache.pulsar.broker.service.Consumer consumer2 = consumers.get(1); |
| consumer1.updateRates(); |
| consumer2.updateRates(); |
| |
| ByteArrayOutputStream output = new ByteArrayOutputStream(); |
| PrometheusMetricsGenerator.generate(pulsar, exposeTopicLevelMetrics, true, true, output); |
| String metricStr = output.toString(StandardCharsets.UTF_8); |
| |
| Multimap<String, PrometheusMetricsTest.Metric> metricsMap = PrometheusMetricsTest.parseMetrics(metricStr); |
| Collection<PrometheusMetricsTest.Metric> ackRateMetric = metricsMap.get("pulsar_consumer_msg_ack_rate"); |
| |
| String rateOutMetricName = exposeTopicLevelMetrics ? "pulsar_consumer_msg_rate_out" : "pulsar_rate_out"; |
| Collection<PrometheusMetricsTest.Metric> rateOutMetric = metricsMap.get(rateOutMetricName); |
| Assert.assertTrue(ackRateMetric.size() > 0); |
| Assert.assertTrue(rateOutMetric.size() > 0); |
| |
| if (exposeTopicLevelMetrics) { |
| String consumer1Name = consumer1.consumerName(); |
| String consumer2Name = consumer2.consumerName(); |
| double totalAckRate = ackRateMetric.stream() |
| .filter(metric -> metric.tags.get("consumer_name").equals(consumer1Name) |
| || metric.tags.get("consumer_name").equals(consumer2Name)) |
| .mapToDouble(metric -> metric.value).sum(); |
| double totalRateOut = rateOutMetric.stream() |
| .filter(metric -> metric.tags.get("consumer_name").equals(consumer1Name) |
| || metric.tags.get("consumer_name").equals(consumer2Name)) |
| .mapToDouble(metric -> metric.value).sum(); |
| |
| Assert.assertTrue(totalAckRate > 0D); |
| Assert.assertTrue(totalRateOut > 0D); |
| Assert.assertEquals(totalAckRate, totalRateOut, totalRateOut * 0.1D); |
| } else { |
| double totalAckRate = ackRateMetric.stream() |
| .filter(metric -> namespace.equals(metric.tags.get("namespace"))) |
| .mapToDouble(metric -> metric.value).sum(); |
| double totalRateOut = rateOutMetric.stream() |
| .filter(metric -> namespace.equals(metric.tags.get("namespace"))) |
| .mapToDouble(metric -> metric.value).sum(); |
| |
| Assert.assertTrue(totalAckRate > 0D); |
| Assert.assertTrue(totalRateOut > 0D); |
| Assert.assertEquals(totalAckRate, totalRateOut, totalRateOut * 0.1D); |
| } |
| } |
| |
| @Test |
| public void testAvgMessagesPerEntry() throws Exception { |
| conf.setAllowOverrideEntryFilters(true); |
| final String topic = "persistent://public/default/testFilterState"; |
| String subName = "sub"; |
| |
| Producer<String> producer = pulsarClient.newProducer(Schema.STRING) |
| .producerName("producer1") |
| .enableBatching(true).topic(topic) |
| .batchingMaxMessages(20) |
| .batchingMaxPublishDelay(5, TimeUnit.SECONDS) |
| .batchingMaxBytes(Integer.MAX_VALUE) |
| .create(); |
| |
| producer.send("first-message"); |
| List<CompletableFuture<MessageId>> futures = new ArrayList<>(); |
| for (int i = 0; i < 20; i++) { |
| futures.add(producer.sendAsync("message")); |
| } |
| FutureUtil.waitForAll(futures); |
| producer.close(); |
| |
| Producer<String> producer2 = pulsarClient.newProducer(Schema.STRING) |
| .producerName("producer2") |
| .enableBatching(false).topic(topic) |
| .create(); |
| producer2.newMessage().value("producer2-message").send(); |
| producer2.close(); |
| |
| // mock entry filters |
| NarClassLoader narClassLoader = mock(NarClassLoader.class); |
| EntryFilter filter = new EntryFilterProducerTest(); |
| EntryFilterWithClassLoader |
| loader = spyWithClassAndConstructorArgs(EntryFilterWithClassLoader.class, filter, |
| narClassLoader); |
| Pair<String, List<EntryFilter>> entryFilters = Pair.of("filter", List.of(loader)); |
| |
| PersistentTopic topicRef = (PersistentTopic) pulsar.getBrokerService() |
| .getTopicReference(topic).get(); |
| Field field1 = topicRef.getClass().getSuperclass().getDeclaredField("entryFilters"); |
| field1.setAccessible(true); |
| field1.set(topicRef, entryFilters); |
| |
| Map<String, String> metadataConsumer = new HashMap<>(); |
| metadataConsumer.put("matchValueAccept", "producer1"); |
| metadataConsumer.put("matchValueReschedule", "producer2"); |
| @Cleanup |
| Consumer<String> consumer = pulsarClient.newConsumer(Schema.STRING).topic(topic).properties(metadataConsumer) |
| .subscriptionName(subName).subscriptionInitialPosition(SubscriptionInitialPosition.Earliest).subscribe(); |
| |
| int counter = 0; |
| while (true) { |
| Message<String> message = consumer.receive(10, TimeUnit.SECONDS); |
| if (message != null) { |
| counter++; |
| assertNotEquals(message.getValue(), "producer2-message"); |
| consumer.acknowledge(message); |
| } else { |
| break; |
| } |
| } |
| |
| assertEquals(21, counter); |
| |
| ConsumerStats consumerStats = |
| admin.topics().getStats(topic).getSubscriptions().get(subName).getConsumers().get(0); |
| |
| assertEquals(21, consumerStats.getMsgOutCounter()); |
| |
| // Math.round(1 * 0.9 + 0.1 * (20 / 1)) |
| int avgMessagesPerEntry = consumerStats.getAvgMessagesPerEntry(); |
| assertEquals(3, avgMessagesPerEntry); |
| } |
| } |