Kafka + Streaming 测试 --57

1.producer

package llf
import java.util
import java.util.Properties

import org.apache.kafka.clients.producer.{ProducerConfig, KafkaProducer, ProducerRecord}
/**
* Created by root on 15-9-2.
*/
object KafkaWordCountProducer {
def main (args: Array[String]) {
if (args.length < 2){
System.err.println("Usage: KafkaWordCountProducer <metadataBrokerList> <topic>")
System.exit(1)
}
//
def generateContext(index: Int): String = {
import scala.collection.mutable.ListBuffer
val charList = ListBuffer[Char]()
for (i <- 65 to 90){
charList += i.toChar
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val charArray = charList.toArray
charArray(index).toString
}
//
def index = {
import java.util.Random
val rdm = new Random
rdm.nextInt(10)
}
//
//val Array(brokers, topic, messagesPerSec, wordsPerMessage) = args
val Array(brokers, topic) = args
//
// Zookeeper connection properties
val props = new util.HashMap[String, Object]()
//val props = new Properties()
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 producer = new KafkaProducer[String, String](props)
//
// Send some messages
while (true){
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//      (1 to messagesPerSec.toInt).foreach{ messageNum =>
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llllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllll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llllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllll"
//          val bytearr1: String = "lllll"
//        val content1 = bytearr1
val Total = generateContext(index) + bytearr1
val message = new ProducerRecord[String, String](topic, null, Total)
//        producer.send(message)
producer.send(message)

}
//      Thread.sleep(1000)
}

}

/////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////

2.WordCount

package llf

import org.apache.spark.SparkConf
import org.apache.spark.examples.streaming.StreamingExamples
import org.apache.spark.streaming.kafka.KafkaUtils
import org.apache.spark.streaming.{Minutes, Seconds, StreamingContext}

/**
* Created by root on 15-9-2.
*/
object KafkaWordCount {
def main(args: Array[String]): Unit ={
if (args.length < 4){
System.err.println("Usage: kafkaWordCount <zkQuorum> <group> <topics> <numThreads>")
System.exit(1)
}
//
StreamingExamples.setStreamingLogLevels()
//
val Array(zkQuorum, group, topics, numThreads) = args
val conf = new SparkConf().setAppName("KafkaWordCount").setMaster("spark://192.168.1.3:7077")
val ssc = new StreamingContext(conf, Seconds(1))
ssc.checkpoint("checkpoint")

val topicMap = topics.split(",").map((_, numThreads.toInt)).toMap
val lines = KafkaUtils.createStream(ssc, zkQuorum, group, topicMap).map(_._2)
val words = lines.flatMap(_.split(" "))
//    val wordcounts = words.map(x => (x, 1L)).reduceByKeyAndWindow(_ + _, _ - _, Minutes(10), Seconds(2), 2)
//    val wordcounts = words.map(x => (x, 1L)).reduceByKeyAndWindow(_ + _, _ - _, Seconds(5), Seconds(5), 2)
val wordcounts = words.map(x => (x, 1)).reduceByKeyAndWindow((a:Int, b:Int) => (a + b), Seconds(5), Seconds(5))
.map(x => x._2)
wordcounts.print()

ssc.start()
ssc.awaitTermination()
}

}

////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////

1.启动zookeeper集群

2.启动Kafka集群

3.启动spark集群

4.将jar包导入101/103节点

5.spark-submit --class llf.KafkaWordCountProducer --master spark://172.20.36.241:7077 LF150902b.jar 172.20.36.241:9092 EEE

6.spark-submit --class llf.KafkaWordCount --master spark://192.168.1.3:7077 kafkawordcount.jar 192.168.1.3:2181 test-consumer-group EEE 1

/////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////

较为原始的方法，不能保证每条数据仅仅被处理一次。集群中节点的分工不是很明确（kafka，spark）