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[TEST][STREAMING] Fix flaky Kafka rate controlling test #14361

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[TEST][STREAMING] Fix flaky Kafka rate controlling test #14361

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9 changes: 4 additions & 5 deletions ...afka-0-10/src/test/scala/org/apache/spark/streaming/kafka010/DirectKafkaStreamSuite.scala
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Original file line number Diff line number Diff line change
Expand Up @@ -544,15 +544,14 @@ class DirectKafkaStreamSuite

test("using rate controller") {
val topic = "backpressure"
val topicPartitions = Set(new TopicPartition(topic, 0), new TopicPartition(topic, 1))
kafkaTestUtils.createTopic(topic, 2)
kafkaTestUtils.createTopic(topic, 1)
val kafkaParams = getKafkaParams("auto.offset.reset" -> "earliest")
val executorKafkaParams = new JHashMap[String, Object](kafkaParams)
KafkaUtils.fixKafkaParams(executorKafkaParams)

val batchIntervalMilliseconds = 100
val batchIntervalMilliseconds = 500
val estimator = new ConstantEstimator(100)
val messages = Map("foo" -> 200)
val messages = Map("foo" -> 5000)
kafkaTestUtils.sendMessages(topic, messages)

val sparkConf = new SparkConf()
Expand Down Expand Up @@ -596,7 +595,7 @@ class DirectKafkaStreamSuite
estimator.updateRate(rate) // Set a new rate.
// Expect blocks of data equal to "rate", scaled by the interval length in secs.
val expectedSize = Math.round(rate * batchIntervalMilliseconds * 0.001)
eventually(timeout(5.seconds), interval(batchIntervalMilliseconds.milliseconds)) {
eventually(timeout(5.seconds), interval(10 milliseconds)) {
// Assert that rate estimator values are used to determine maxMessagesPerPartition.
// Funky "-" in message makes the complete assertion message read better.
assert(collectedData.asScala.exists(_.size == expectedSize),
Expand Down