dajac commented on code in PR #18513: URL: https://github.com/apache/kafka/pull/18513#discussion_r1928396045
########## core/src/test/scala/integration/kafka/api/PlaintextAdminIntegrationTest.scala: ########## @@ -1839,250 +1839,209 @@ class PlaintextAdminIntegrationTest extends BaseAdminIntegrationTest { Utils.closeQuietly(producer, "producer") } - val EMPTY_GROUP_INSTANCE_ID = "" val testGroupId = "test_group_id" val testClientId = "test_client_id" val testInstanceId1 = "test_instance_id_1" val testInstanceId2 = "test_instance_id_2" val fakeGroupId = "fake_group_id" - def createProperties(groupInstanceId: String): Properties = { - val newConsumerConfig = new Properties(consumerConfig) - // We need to disable the auto commit because after the members got removed from group, the offset commit - // will cause the member rejoining and the test will be flaky (check ConsumerCoordinator#OffsetCommitResponseHandler) - newConsumerConfig.setProperty(ConsumerConfig.ENABLE_AUTO_COMMIT_CONFIG, "false") - newConsumerConfig.setProperty(ConsumerConfig.GROUP_ID_CONFIG, testGroupId) - newConsumerConfig.setProperty(ConsumerConfig.CLIENT_ID_CONFIG, testClientId) - if (groupInstanceId != EMPTY_GROUP_INSTANCE_ID) { - newConsumerConfig.setProperty(ConsumerConfig.GROUP_INSTANCE_ID_CONFIG, groupInstanceId) - } - newConsumerConfig - } - // contains two static members and one dynamic member - val groupInstanceSet = Set(testInstanceId1, testInstanceId2, EMPTY_GROUP_INSTANCE_ID) - val consumerSet = groupInstanceSet.map { groupInstanceId => createConsumer(configOverrides = createProperties(groupInstanceId))} + val groupInstanceSet = Set(testInstanceId1, testInstanceId2, "") val topicSet = Set(testTopicName, testTopicName1, testTopicName2) + val backgroundConsumerSet = new BackgroundConsumerSet(testGroupId, testClientId, new Properties(consumerConfig)) Review Comment: nit: Could we set the client id via the properties passed? In the end, the client id is just a property like the others. ########## core/src/test/scala/integration/kafka/api/PlaintextAdminIntegrationTest.scala: ########## @@ -1839,250 +1839,209 @@ class PlaintextAdminIntegrationTest extends BaseAdminIntegrationTest { Utils.closeQuietly(producer, "producer") } - val EMPTY_GROUP_INSTANCE_ID = "" val testGroupId = "test_group_id" val testClientId = "test_client_id" val testInstanceId1 = "test_instance_id_1" val testInstanceId2 = "test_instance_id_2" val fakeGroupId = "fake_group_id" - def createProperties(groupInstanceId: String): Properties = { - val newConsumerConfig = new Properties(consumerConfig) - // We need to disable the auto commit because after the members got removed from group, the offset commit - // will cause the member rejoining and the test will be flaky (check ConsumerCoordinator#OffsetCommitResponseHandler) - newConsumerConfig.setProperty(ConsumerConfig.ENABLE_AUTO_COMMIT_CONFIG, "false") - newConsumerConfig.setProperty(ConsumerConfig.GROUP_ID_CONFIG, testGroupId) - newConsumerConfig.setProperty(ConsumerConfig.CLIENT_ID_CONFIG, testClientId) - if (groupInstanceId != EMPTY_GROUP_INSTANCE_ID) { - newConsumerConfig.setProperty(ConsumerConfig.GROUP_INSTANCE_ID_CONFIG, groupInstanceId) - } - newConsumerConfig - } - // contains two static members and one dynamic member - val groupInstanceSet = Set(testInstanceId1, testInstanceId2, EMPTY_GROUP_INSTANCE_ID) - val consumerSet = groupInstanceSet.map { groupInstanceId => createConsumer(configOverrides = createProperties(groupInstanceId))} + val groupInstanceSet = Set(testInstanceId1, testInstanceId2, "") val topicSet = Set(testTopicName, testTopicName1, testTopicName2) + val backgroundConsumerSet = new BackgroundConsumerSet(testGroupId, testClientId, new Properties(consumerConfig)) - val latch = new CountDownLatch(consumerSet.size) - try { - def createConsumerThread[K,V](consumer: Consumer[K,V], topic: String): Thread = { - new Thread { - override def run : Unit = { - consumer.subscribe(Collections.singleton(topic)) - try { - while (true) { - consumer.poll(JDuration.ofSeconds(5)) - if (!consumer.assignment.isEmpty && latch.getCount > 0L) - latch.countDown() - try { - consumer.commitSync() - } catch { - case _: CommitFailedException => // Ignore and retry on next iteration. - } - } - } catch { - case _: InterruptException => // Suppress the output to stderr - } - } - } - } + // We need to disable the auto commit because after the members got removed from group, the offset commit + // will cause the member rejoining and the test will be flaky (check ConsumerCoordinator#OffsetCommitResponseHandler) + val configOverrides = new Properties() + configOverrides.setProperty(ConsumerConfig.ENABLE_AUTO_COMMIT_CONFIG, "false") Review Comment: nit: Would it make sense to add this one as part of the default properties passed at L1851? ########## core/src/test/scala/integration/kafka/api/PlaintextAdminIntegrationTest.scala: ########## @@ -4004,6 +3922,82 @@ class PlaintextAdminIntegrationTest extends BaseAdminIntegrationTest { ConfigSource.DYNAMIC_TOPIC_CONFIG, false, false, Collections.emptyList(), null, null), topicConfigs.get(TopicConfig.INDEX_INTERVAL_BYTES_CONFIG)) } + + class BackgroundConsumerSet(testGroupId: String, testClientId: String, defaultConsumerConfig: Properties) { + private val consumerSet: scala.collection.mutable.Set[Consumer[Array[Byte], Array[Byte]]] = scala.collection.mutable.Set.empty + private val consumerThreads: scala.collection.mutable.Set[Thread] = scala.collection.mutable.Set.empty + private var startLatch: CountDownLatch = new CountDownLatch(0) + private var stopLatch: CountDownLatch = new CountDownLatch(0) + private var consumerThreadRunning = new AtomicBoolean(false) + + defaultConsumerConfig.setProperty(ConsumerConfig.GROUP_ID_CONFIG, testGroupId) + defaultConsumerConfig.setProperty(ConsumerConfig.CLIENT_ID_CONFIG, testClientId) + + def addConsumer(groupInstanceId: String, topic: String, configOverrides: Properties = new Properties()): Unit = { + val newConsumerConfig = defaultConsumerConfig.clone().asInstanceOf[Properties] Review Comment: nit: It may be easier to use `new Properties(defaultConsumerConfig)`. Would it work? ########## core/src/test/scala/integration/kafka/api/PlaintextAdminIntegrationTest.scala: ########## @@ -1839,250 +1839,209 @@ class PlaintextAdminIntegrationTest extends BaseAdminIntegrationTest { Utils.closeQuietly(producer, "producer") } - val EMPTY_GROUP_INSTANCE_ID = "" val testGroupId = "test_group_id" val testClientId = "test_client_id" val testInstanceId1 = "test_instance_id_1" val testInstanceId2 = "test_instance_id_2" val fakeGroupId = "fake_group_id" - def createProperties(groupInstanceId: String): Properties = { - val newConsumerConfig = new Properties(consumerConfig) - // We need to disable the auto commit because after the members got removed from group, the offset commit - // will cause the member rejoining and the test will be flaky (check ConsumerCoordinator#OffsetCommitResponseHandler) - newConsumerConfig.setProperty(ConsumerConfig.ENABLE_AUTO_COMMIT_CONFIG, "false") - newConsumerConfig.setProperty(ConsumerConfig.GROUP_ID_CONFIG, testGroupId) - newConsumerConfig.setProperty(ConsumerConfig.CLIENT_ID_CONFIG, testClientId) - if (groupInstanceId != EMPTY_GROUP_INSTANCE_ID) { - newConsumerConfig.setProperty(ConsumerConfig.GROUP_INSTANCE_ID_CONFIG, groupInstanceId) - } - newConsumerConfig - } - // contains two static members and one dynamic member - val groupInstanceSet = Set(testInstanceId1, testInstanceId2, EMPTY_GROUP_INSTANCE_ID) - val consumerSet = groupInstanceSet.map { groupInstanceId => createConsumer(configOverrides = createProperties(groupInstanceId))} + val groupInstanceSet = Set(testInstanceId1, testInstanceId2, "") val topicSet = Set(testTopicName, testTopicName1, testTopicName2) + val backgroundConsumerSet = new BackgroundConsumerSet(testGroupId, testClientId, new Properties(consumerConfig)) - val latch = new CountDownLatch(consumerSet.size) - try { - def createConsumerThread[K,V](consumer: Consumer[K,V], topic: String): Thread = { - new Thread { - override def run : Unit = { - consumer.subscribe(Collections.singleton(topic)) - try { - while (true) { - consumer.poll(JDuration.ofSeconds(5)) - if (!consumer.assignment.isEmpty && latch.getCount > 0L) - latch.countDown() - try { - consumer.commitSync() - } catch { - case _: CommitFailedException => // Ignore and retry on next iteration. - } - } - } catch { - case _: InterruptException => // Suppress the output to stderr - } - } - } - } + // We need to disable the auto commit because after the members got removed from group, the offset commit + // will cause the member rejoining and the test will be flaky (check ConsumerCoordinator#OffsetCommitResponseHandler) + val configOverrides = new Properties() + configOverrides.setProperty(ConsumerConfig.ENABLE_AUTO_COMMIT_CONFIG, "false") + groupInstanceSet.zip(topicSet).foreach(zipped => backgroundConsumerSet.addConsumer(zipped._1, zipped._2, configOverrides)) Review Comment: nit: Would it make sense to pass the instance if as part of the properties? Like client id, it is just another property. ########## core/src/test/scala/integration/kafka/api/PlaintextAdminIntegrationTest.scala: ########## @@ -4004,6 +3922,82 @@ class PlaintextAdminIntegrationTest extends BaseAdminIntegrationTest { ConfigSource.DYNAMIC_TOPIC_CONFIG, false, false, Collections.emptyList(), null, null), topicConfigs.get(TopicConfig.INDEX_INTERVAL_BYTES_CONFIG)) } + + class BackgroundConsumerSet(testGroupId: String, testClientId: String, defaultConsumerConfig: Properties) { + private val consumerSet: scala.collection.mutable.Set[Consumer[Array[Byte], Array[Byte]]] = scala.collection.mutable.Set.empty + private val consumerThreads: scala.collection.mutable.Set[Thread] = scala.collection.mutable.Set.empty + private var startLatch: CountDownLatch = new CountDownLatch(0) + private var stopLatch: CountDownLatch = new CountDownLatch(0) + private var consumerThreadRunning = new AtomicBoolean(false) + + defaultConsumerConfig.setProperty(ConsumerConfig.GROUP_ID_CONFIG, testGroupId) + defaultConsumerConfig.setProperty(ConsumerConfig.CLIENT_ID_CONFIG, testClientId) + + def addConsumer(groupInstanceId: String, topic: String, configOverrides: Properties = new Properties()): Unit = { + val newConsumerConfig = defaultConsumerConfig.clone().asInstanceOf[Properties] + if (groupInstanceId != "") { + // static member + newConsumerConfig.setProperty(ConsumerConfig.GROUP_INSTANCE_ID_CONFIG, groupInstanceId) + } + newConsumerConfig.putAll(configOverrides) + + val consumer = createConsumer(configOverrides = newConsumerConfig) + val consumerThread = createConsumerThread(consumer, topic) + consumerSet.add(consumer) Review Comment: The consumerSet does not seem to be used. 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