kafka stream consumer example

{ public static void main (string[] args) {//Specify some consum ER properties Properties props = new properties (); Props.put ("Zookeeper.connect", "10.103.22.47:2181"); Props.put ("zookeeper.connectiontimeout.ms", "1000000"); Props.put ("Group.id", "Test_group"); //Create the connection to the cluster consumerconfig consumerconfig = new Consumerconfig (props); Consumerconnector connector = consumer.createjavaconsumerconnector (consumerconfig); NBSp map St

Decoration in ...KafkaNew TopicBin/kafka-topics. sh --create--zookeeper localhost:218131 --topic my-topicView a list of existing topicBin/kafka-topics. sh --list--zookeeper localhost:2181View the specified topic statusBin/kafka-topics. sh --describe--zookeeper localhost:2181 --topic my-topicStart consumer read message

Kafka is a message middleware for passing messages between systems, and messages can be persisted!Can be considered as a queue model, but also can be seen as a producer consumption model;The simple producer consumer client code is as follows: PackageCom.pt.util.kafka;Importjava.util.Date;Importjava.util.Properties;ImportKafka.javaapi.producer.Producer;ImportKafka.producer.KeyedMessage;ImportKafka.producer.P

//Scalastyle:off println Packageorg.apache.spark.examples.streamingImportKafka.serializer.StringDecoderImportorg.apache.spark.SparkConfImportorg.apache.spark.streaming._Importorg.apache.spark.streaming.kafka._ImportOrg.apache.spark.streaming.scheduler.StreamingListenerImportScala.util.parsing.json.JSON/*** Consumes messages from one or more topics to analysis log * Calaculate the threadhold under certain time window */Object LOGANALYSISB {def main (args:array[string]) {if(Args.length ) {System.e

Storm.kafka.trident.TridentKafkaEmitter.emitNewPartitionBatCH (tridentkafkaemitter.java:79) at storm.kafka.trident.tridentkafkaemitter.access$000 (TridentKafkaEmitter.java : Storm.kafka.trident.tridentkafkaemitter$1.emitpartitionbatch (tridentkafkaemitter.java:204) at Storm.kafka.trident.tridentkafkaemitter$1.emitpartitionbatch (tridentkafkaemitter.java:194) at Storm.trident.spout.opaquepartitionedtridentspoutexecutor$emitter.emitbatch ( opaquepartitionedtridentspoutexecutor.java:127) at Storm.