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Storm编程入门API系列之Storm的Topology默认Workers、默认executors和默认tasks数目
Storm编程入门API系列之Storm的Topology多个Workers数目控制实现
继续编写
StormTopologyMoreExecutor.java
package zhouls.bigdata.stormDemo; import java.util.Map; import org.apache.storm.Config; import org.apache.storm.LocalCluster; import org.apache.storm.StormSubmitter; import org.apache.storm.generated.AlreadyAliveException; import org.apache.storm.generated.AuthorizationException; import org.apache.storm.generated.InvalidTopologyException; import org.apache.storm.spout.SpoutOutputCollector; import org.apache.storm.task.OutputCollector; import org.apache.storm.task.TopologyContext; import org.apache.storm.topology.OutputFieldsDeclarer; import org.apache.storm.topology.TopologyBuilder; import org.apache.storm.topology.base.BaseRichBolt; import org.apache.storm.topology.base.BaseRichSpout; import org.apache.storm.tuple.Fields; import org.apache.storm.tuple.Tuple; import org.apache.storm.tuple.Values; import org.apache.storm.utils.Utils; public class StormTopologyMoreExecutor { public static class MySpout extends BaseRichSpout{ private Map conf; private TopologyContext context; private SpoutOutputCollector collector; public void open(Map conf, TopologyContext context, SpoutOutputCollector collector) { this.conf = conf; this.collector = collector; this.context = context; } int num = 0; public void nextTuple() { num++; System.out.println("spout:"+num); this.collector.emit(new Values(num)); Utils.sleep(1000); } public void declareOutputFields(OutputFieldsDeclarer declarer) { declarer.declare(new Fields("num")); } } public static class MyBolt extends BaseRichBolt{ private Map stormConf; private TopologyContext context; private OutputCollector collector; public void prepare(Map stormConf, TopologyContext context, OutputCollector collector) { this.stormConf = stormConf; this.context = context; this.collector = collector; } public void execute(Tuple input) { Integer num = input.getIntegerByField("num"); System.out.println("线程id："+Thread.currentThread().getId()+"，接收的值为："+num); } public void declareOutputFields(OutputFieldsDeclarer declarer) { } } public static void main(String[] args) { TopologyBuilder topologyBuilder = new TopologyBuilder(); String spout_id = MySpout.class.getSimpleName(); String bolt_id = MyBolt.class.getSimpleName(); topologyBuilder.setSpout(spout_id, new MySpout()); topologyBuilder.setBolt(bolt_id, new MyBolt(),3).shuffleGrouping(spout_id); Config config = new Config(); String topology_name = StormTopologyMoreExecutor.class.getSimpleName(); if(args.length==0){ //在本地运行 LocalCluster localCluster = new LocalCluster(); localCluster.submitTopology(topology_name, config, topologyBuilder.createTopology()); }else{ //在集群运行 try { StormSubmitter.submitTopology(topology_name, config, topologyBuilder.createTopology()); } catch (AlreadyAliveException e) { e.printStackTrace(); } catch (InvalidTopologyException e) { e.printStackTrace(); } catch (AuthorizationException e) { e.printStackTrace(); } } } }
打jar包
提交作业之前
[hadoop@master apache-storm-1.0.2]$ pwd /home/hadoop/app/apache-storm-1.0.2 [hadoop@master apache-storm-1.0.2]$ ll total 208 drwxrwxr-x 2 hadoop hadoop 4096 May 21 17:18 bin -rw-r--r-- 1 hadoop hadoop 82317 Jul 27 2016 CHANGELOG.md drwxrwxr-x 2 hadoop hadoop 4096 Jul 27 20:12 conf drwxrwxr-x 3 hadoop hadoop 4096 Jul 27 2016 examples drwxrwxr-x 17 hadoop hadoop 4096 May 21 17:18 external drwxrwxr-x 2 hadoop hadoop 4096 Jul 27 2016 extlib drwxrwxr-x 2 hadoop hadoop 4096 Jul 27 2016 extlib-daemon drwxrwxr-x 2 hadoop hadoop 4096 Jul 27 23:00 jar drwxrwxr-x 2 hadoop hadoop 4096 May 21 17:18 lib -rw-r--r-- 1 hadoop hadoop 32101 Jul 27 2016 LICENSE drwxrwxr-x 2 hadoop hadoop 4096 May 21 17:18 log4j2 drwxrwxr-x 2 hadoop hadoop 4096 May 21 19:05 logs -rw-r--r-- 1 hadoop hadoop 981 Jul 27 2016 NOTICE drwxrwxr-x 6 hadoop hadoop 4096 May 21 17:18 public -rw-r--r-- 1 hadoop hadoop 15287 Jul 27 2016 README.markdown -rw-r--r-- 1 hadoop hadoop 6 Jul 27 2016 RELEASE -rw-r--r-- 1 hadoop hadoop 23774 Jul 27 2016 SECURITY.md [hadoop@master apache-storm-1.0.2]$ bin/storm jar jar/StormTopologyMoreExecutor.jar zhouls.bigdata.stormDemo.StormTopologyMoreExecutor aaa Running: /home/hadoop/app/jdk/bin/java -client -Ddaemon.name= -Dstorm.options= -Dstorm.home=/home/hadoop/app/apache-storm-1.0.2 -Dstorm.log.dir=/home/hadoop/app/apache-storm-1.0.2/logs -Djava.library.path=/usr/local/lib:/opt/local/lib:/usr/lib -Dstorm.conf.file= -cp /home/hadoop/app/apache-storm-1.0.2/lib/log4j-api-2.1.jar:/home/hadoop/app/apache-storm-1.0.2/lib/kryo-3.0.3.jar:/home/hadoop/app/apache-storm-1.0.2/lib/storm-rename-hack-1.0.2.jar:/home/hadoop/app/apache-storm-1.0.2/lib/log4j-core-2.1.jar:/home/hadoop/app/apache-storm-1.0.2/lib/slf4j-api-1.7.7.jar:/home/hadoop/app/apache-storm-1.0.2/lib/minlog-1.3.0.jar:/home/hadoop/app/apache-storm-1.0.2/lib/objenesis-2.1.jar:/home/hadoop/app/apache-storm-1.0.2/lib/clojure-1.7.0.jar:/home/hadoop/app/apache-storm-1.0.2/lib/servlet-api-2.5.jar:/home/hadoop/app/apache-storm-1.0.2/lib/log4j-slf4j-impl-2.1.jar:/home/hadoop/app/apache-storm-1.0.2/lib/log4j-over-slf4j-1.6.6.jar:/home/hadoop/app/apache-storm-1.0.2/lib/storm-core-1.0.2.jar:/home/hadoop/app/apache-storm-1.0.2/lib/disruptor-3.3.2.jar:/home/hadoop/app/apache-storm-1.0.2/lib/asm-5.0.3.jar:/home/hadoop/app/apache-storm-1.0.2/lib/reflectasm-1.10.1.jar:jar/StormTopologyMoreExecutor.jar:/home/hadoop/app/apache-storm-1.0.2/conf:/home/hadoop/app/apache-storm-1.0.2/bin -Dstorm.jar=jar/StormTopologyMoreExecutor.jar zhouls.bigdata.stormDemo.StormTopologyMoreExecutor aaa 2632 [main] INFO o.a.s.StormSubmitter - Generated ZooKeeper secret payload for MD5-digest: -7700164527916050772:-9124174655622273375 3011 [main] INFO o.a.s.s.a.AuthUtils - Got AutoCreds [] 3598 [main] INFO o.a.s.StormSubmitter - Uploading topology jar jar/StormTopologyMoreExecutor.jar to assigned location: /home/hadoop/data/storm/nimbus/inbox/stormjar-83ebee61-5051-4ab5-aff7-e9fcf4560f42.jar 3711 [main] INFO o.a.s.StormSubmitter - Successfully uploaded topology jar to assigned location: /home/hadoop/data/storm/nimbus/inbox/stormjar-83ebee61-5051-4ab5-aff7-e9fcf4560f42.jar 3714 [main] INFO o.a.s.StormSubmitter - Submitting topology StormTopologyMoreExecutor in distributed mode with conf {"storm.zookeeper.topology.auth.scheme":"digest","storm.zookeeper.topology.auth.payload":"-7700164527916050772:-9124174655622273375"} 5363 [main] INFO o.a.s.StormSubmitter - Finished submitting topology: StormTopologyMoreExecutor [hadoop@master apache-storm-1.0.2]$
为什么，会是如上的数字呢？大家要学，就要深入去学和理解。
因为，我之前运行的StormTopologyMoreWorker没有停掉
为什么，会是如上的数字呢？大家要学，就要深入去学和理解。
即，以下就是它的3个Executor
