Skip to content

[SPARK-7396][Streaming][Example] Update KafkaWordCountProducer to use new Producer API #5936

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Closed
wants to merge 1 commit into from
Closed

[SPARK-7396][Streaming][Example] Update KafkaWordCountProducer to use new Producer API #5936

Changes from all commits
Commits
Show all changes
1 commit
Select commit
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
24 changes: 13 additions & 11 deletions examples/scala-2.10/src/main/scala/org/apache/spark/examples/streaming/KafkaWordCount.scala
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -17,9 +17,9 @@

package org.apache.spark.examples.streaming

import java.util.Properties
import java.util.HashMap

import kafka.producer._
import org.apache.kafka.clients.producer.{ProducerConfig, KafkaProducer, ProducerRecord}

import org.apache.spark.streaming._
import org.apache.spark.streaming.kafka._
Expand Down Expand Up @@ -77,23 +77,25 @@ object KafkaWordCountProducer {
val Array(brokers, topic, messagesPerSec, wordsPerMessage) = args

// Zookeeper connection properties
val props = new Properties()
props.put("metadata.broker.list", brokers)
props.put("serializer.class", "kafka.serializer.StringEncoder")
val props = new HashMap[String, Object]()
props.put(ProducerConfig.BOOTSTRAP_SERVERS_CONFIG, brokers)
props.put(ProducerConfig.VALUE_SERIALIZER_CLASS_CONFIG,
"org.apache.kafka.common.serialization.StringSerializer")
props.put(ProducerConfig.KEY_SERIALIZER_CLASS_CONFIG,
"org.apache.kafka.common.serialization.StringSerializer")

val config = new ProducerConfig(props)
val producer = new Producer[String, String](config)
val producer = new KafkaProducer[String, String](props)

// Send some messages
while(true) {
val messages = (1 to messagesPerSec.toInt).map { messageNum =>
(1 to messagesPerSec.toInt).foreach { messageNum =>
val str = (1 to wordsPerMessage.toInt).map(x => scala.util.Random.nextInt(10).toString)
.mkString(" ")

new KeyedMessage[String, String](topic, str)
}.toArray
val message = new ProducerRecord[String, String](topic, null, str)
producer.send(message)
}

producer.send(messages: _*)
Thread.sleep(100)
}
}
Expand Down