喜欢storm-kafka-client,我使用的是storm-kafka-client,但是效果不好,而且写一个新的spout也不行。 谁能帮我写一个样本卡夫卡鲸鱼嘴。
答案 0 :(得分:0)
定义Topology.java
import storm.kafka.BrokerHosts;
import storm.kafka.KafkaSpout;
import storm.kafka.SpoutConfig;
import storm.kafka.StringScheme;
import storm.kafka.ZkHosts;
public class Topology{
public static void main(String[] args){
TopologyBuilder builder = new TopologyBuilder();
String zkHosts = StringUtils.join("127.0.0.1", ',');
BrokerHosts hosts = new ZkHosts(zkHosts);
SpoutConfig spoutConfig = new SpoutConfig(hosts, "kafkaTopic_name", "/kafkaTopic_name", "kafkaGroup_name");
spoutConfig.scheme = new SchemeAsMultiScheme(new StringScheme());
spoutConfig.forceFromStart = forceFromStart;
builder.setSpout("events", new KafkaSpout(spoutConfig), 5).setNumTasks(5);
//...
}
}
基本上,您需要创建SpoutConfig才能创建kafkaSpout。