测试Storm的多源头锚定

过程,

Spout 发送msgid 1-10

一级Bolt， msgid1的tuple做为基本组合tuple, 其他8个和一组合, 然后发送给二级Bolt， 同时单个msgid对应的tuple都ack一次，msgid1对象tuple, acker将会跟踪8个二级bolt处理情况.

二级Bolt，发送ack fail（模拟处理失败）

结果：在spout fail下出现msg1-9都失败的情况 .

拓扑代码

package storm.starter;

import backtype.storm.Config;
import backtype.storm.LocalCluster;
import backtype.storm.LocalDRPC;
import backtype.storm.StormSubmitter;
import backtype.storm.drpc.DRPCSpout;
import backtype.storm.task.OutputCollector;
import backtype.storm.task.ShellBolt;
import backtype.storm.task.TopologyContext;
import backtype.storm.topology.BasicOutputCollector;
import backtype.storm.topology.IRichBolt;
import backtype.storm.topology.OutputFieldsDeclarer;
import backtype.storm.topology.TopologyBuilder;
import backtype.storm.topology.base.BaseBasicBolt;
import backtype.storm.tuple.Fields;
import backtype.storm.tuple.Tuple;
import backtype.storm.tuple.Values;
import storm.starter.spout.RandomSentenceSpout;

import java.lang.management.ManagementFactory;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;

import org.apache.log4j.Logger;
import org.apache.log4j.PropertyConfigurator;

/**
 * This topology demonstrates Storm's stream groupings and multilang
 * capabilities.
 */
public class WordCountTopology {
	public static String GetThreadName() {
		Thread thread = Thread.currentThread();
		return thread.getName();
	}

	public static final Logger logger = Logger
			.getLogger(WordCountTopology.class);

	// 切分单词 一级bolt
	/*
	 * public static class SplitSentence extends ShellBolt implements IRichBolt
	 * { public SplitSentence() { super("python", "splitsentence.py");
	 * logger.error(GetThreadName() + "SplitSentence create"); }
	 * 
	 * // 定义字段发送
	 * 
	 * @Override public void declareOutputFields(OutputFieldsDeclarer declarer)
	 * { declarer.declare(new Fields("word")); logger.error(GetThreadName() +
	 * "declarer.declare(new Fields(word))"); }
	 * 
	 * @Override public Map<String, Object> getComponentConfiguration() {
	 * logger.error("getComponentConfiguration"); return null; } }
	 */
	public static class SplitSentence implements IRichBolt {
		private OutputCollector _collector;
		
		int num = 0;
		@Override
		public void prepare(Map stormConf, TopologyContext context,
				OutputCollector collector) {
			_collector = collector;
		}
		
		private Tuple tuple1;
		@Override
		public void execute(Tuple tuple) {
			String sentence = tuple.getString(0);
		    if(sentence.equals("a")) {
		    	tuple1 = tuple;
		    }
		    else{
		    	List<Tuple> anchors = new ArrayList<Tuple>();
		    	anchors.add(tuple1);
		    	anchors.add(tuple);
		    	_collector.emit(anchors, new Values(sentence + "a"));
		    	_collector.ack(tuple);
		    	_collector.ack(tuple1);
		    }
			
//			for (String word : sentence.split(" ")){
//				_collector.emit(tuple, new Values(word));
//			}
//			num++;
			
			System.out.println("Bolt Thread " + Thread.currentThread().getName() + "recve : " + sentence);	
			System.out.println( num + " bolt recev:" + tuple.getMessageId().getAnchorsToIds());			
		}

		@Override
		public void cleanup() {
		}

		@Override
		public void declareOutputFields(OutputFieldsDeclarer declarer) {
			declarer.declare(new Fields("word"));
		}

		@Override
		public Map<String, Object> getComponentConfiguration() {
			// TODO Auto-generated method stub
			return null;
		}
	}
	
	public static class CountCount1 implements IRichBolt {
		Map<String, Integer> counts = new HashMap<String, Integer>();
		private OutputCollector _collector;
		int num = 0;

		@Override
		public void execute(Tuple tuple) {
			String word = tuple.getString(0);
			//logger.error(this.toString() + "word = " + word);
			Integer count = counts.get(word);
			if (count == null)
				count = 0;
			
			count++;
			counts.put(word, count); 
			num++;
			
			_collector.fail(tuple);
			//_collector.ack(tuple);
			
		   //_collector.emit(tuple, new Values(word, count));
		}

		@Override
		public void declareOutputFields(OutputFieldsDeclarer declarer) {
			// logger.error("declareOutputFields :");
			declarer.declare(new Fields("result", "count"));
		}

		@Override
		public void prepare(Map stormConf, TopologyContext context,
				OutputCollector collector) {
			// TODO Auto-generated method stub
			_collector = collector;
		}

		@Override
		public void cleanup() {
			// TODO Auto-generated method stub
			
		}

		@Override
		public Map<String, Object> getComponentConfiguration() {
			// TODO Auto-generated method stub
			return null;
		}
	}
	
	
	public static class WordCount extends BaseBasicBolt {
		private OutputCollector _collector;
		Map<String, Integer> counts = new HashMap<String, Integer>();

		@Override
		public void execute(Tuple tuple, BasicOutputCollector collector) {
			String word = tuple.getString(0);
			//logger.error(this.toString() + "word = " + word);
			Integer count = counts.get(word);
			if (count == null)
				count = 0;
			count++;
			counts.put(word, count); // <key, list<value, count> >
			//logger.error(this.toString() + "count = " + count);
			collector.emit(new Values(word, count));
		}

		@Override
		public void declareOutputFields(OutputFieldsDeclarer declarer) {
			// logger.error("declareOutputFields :");
			declarer.declare(new Fields("result", "count"));
		}
	}

	public static class WordCount1 extends BaseBasicBolt {
		Map<String, Integer> counts = new HashMap<String, Integer>();

		@Override
		public void execute(Tuple tuple, BasicOutputCollector collector) {
			// logger.error("WordCount1");
			// tuple.getFields()[0];
			if (tuple.getFields().contains("result")) {
				String count = (String) tuple.getValueByField("result");
				// tuple.getValueByField(field)
				long countl = -0;// = Long.valueOf(count);
				// logger.error(this.toString() + " key  = resultkey " + count);
			}

			if (tuple.getFields().contains("count")) {
				Integer count = (Integer) tuple.getValueByField("count");
				// tuple.getValueByField(field)
				long countl = -0;// = Long.valueOf(count);
				//logger.error(this.toString() + " key  = count " + count);
			}

			// String word = tuple.getString(0);
			// logger.error(this.toString() +"word = " + word);
			// Integer count = counts.get(word);
			// if (count == null)
			// count = 0;
			// count++;
			// counts.put(word, count);
			// logger.error(this.toString() + "count = " + count);
			// collector.emit(new Values(word, count));
		}

		@Override
		public void declareOutputFields(OutputFieldsDeclarer declarer) {
			// logger.error("declareOutputFields :");
			declarer.declare(new Fields("word1", "count1"));
		}
	}

	public static void main(String[] args) throws Exception {
		TopologyBuilder builder = new TopologyBuilder();

		PropertyConfigurator
				.configure("/home/hadoop/code1/Kafka/src/Log4j.properties");
		
	    // parallelism_hint 代表是executor数量, setNumTasks 代表Tasks数量
		builder.setSpout("spout", new RandomSentenceSpout(), 5).setNumTasks(2);

        builder.setBolt("split", new SplitSentence(), 8).setNumTasks(1).shuffleGrouping("spout");
		builder.setBolt("count", new CountCount1(), 12).fieldsGrouping("split",
				new Fields("word"));
//		builder.setBolt("WordCount1", new WordCount1(), 1).fieldsGrouping(
//				"count", new Fields("result", "count"));

		Config conf = new Config();
		conf.setDebug(true);
                //  这个设置一个spout task上面最多有多少个没有处理(ack/fail)的tuple，防止tuple队列过大, 只对可靠任务起作用
		conf.setMaxSpoutPending(2);     
		conf.setMessageTimeoutSecs(5);  //  消息处理延时
		conf.setNumAckers(2);           //	消息处理acker

		System.out.println("args.length = " + args.length);
		if (args != null && args.length > 0) {
			conf.setNumWorkers(5); // 设置工作进程
			StormSubmitter.submitTopology(args[0], conf,
					builder.createTopology());
		} else {
			// 每个组件的最大executor数
			conf.setMaxTaskParallelism(1);
			conf.setDebug(true);

			LocalCluster cluster = new LocalCluster();
			cluster.submitTopology("word-count", conf, builder.createTopology());

			String str = "testdrpc";
			// drpc.execute("testdrpc", str);

			Thread.sleep(1088000);
			cluster.shutdown();
		}
	}
}

 spout代码

package storm.starter.spout;

import backtype.storm.spout.SpoutOutputCollector;
import backtype.storm.task.TopologyContext;
import backtype.storm.topology.OutputFieldsDeclarer;
import backtype.storm.topology.base.BaseRichSpout;
import backtype.storm.tuple.Fields;
import backtype.storm.tuple.Values;
import backtype.storm.utils.Utils;

import java.util.Map;
import java.util.Random;

import org.apache.log4j.Logger;

import storm.starter.WordCountTopology;


// IRichSpout 
public class RandomSentenceSpout extends BaseRichSpout { 
	SpoutOutputCollector _collector;
	Random _rand;

	public static final Logger logger = Logger
			.getLogger(RandomSentenceSpout.class);

	@Override
	public void open(Map conf, TopologyContext context,
			SpoutOutputCollector collector) {
		_collector = collector;
		_rand = new Random();

		WordCountTopology.logger.error(this.toString()
				+ "RandomSentenceSpout is create");
	}

	private int num = 0;

	private String gettmstr() {
		StringBuilder tmp = new StringBuilder();
		for (int i = 0; i <= num; i++)
			tmp.append("a");
		num++;
		return tmp.toString();
	}

	@Override
	public void nextTuple() {
		Utils.sleep(200);
		// String[] sentences = new String[]{ "the cow jumped over the moon",
		// "an apple a day keeps the doctor away",
		// "four score and seven years ago", "snow white and the seven dwarfs",
		// "i am at two with nature" };
		String[] sentences = new String[] { "A" };

		String sentence = gettmstr(); // sentences[_rand.nextInt(sentences.length)];
		if (num < 10) {
			_collector.emit(new Values(sentence), new Integer(num));
			// logger.error(this.toString() + "send sentence = " + sentence);
		   // System.out.println(Thread.currentThread().getName() + " Spout ");
		}
	}

	@Override
	public void ack(Object id) {
		logger.error(this.toString() + "spout ack =" + (Integer)id);
	}

	@Override
	public void fail(Object id) {
		logger.error("spout fail =" + (Integer)id);
	}

	@Override
	public void declareOutputFields(OutputFieldsDeclarer declarer) {
		declarer.declare(new Fields("word"));
	}

}

 运行结果

2014-10-03 21:17:31,149 ERROR (storm.starter.spout.RandomSentenceSpout:71) - spout fail =1
2014-10-03 21:17:31,351 ERROR (storm.starter.spout.RandomSentenceSpout:71) - spout fail =2
Bolt Thread Thread-22recve : aaa
0 bolt recev:{-3139141336114052337=7131499433188364504}
2014-10-03 21:17:31,552 ERROR (storm.starter.spout.RandomSentenceSpout:71) - spout fail =3
Bolt Thread Thread-22recve : aaaa
0 bolt recev:{-4497680640148241887=-615828348570847097}
2014-10-03 21:17:31,754 ERROR (storm.starter.spout.RandomSentenceSpout:71) - spout fail =4
Bolt Thread Thread-22recve : aaaaa
0 bolt recev:{-8878772617767839827=-7708082520013359311}
2014-10-03 21:17:31,957 ERROR (storm.starter.spout.RandomSentenceSpout:71) - spout fail =5
Bolt Thread Thread-22recve : aaaaaa
0 bolt recev:{-3995020874692495577=-5070846720162762196}
2014-10-03 21:17:32,160 ERROR (storm.starter.spout.RandomSentenceSpout:71) - spout fail =6
Bolt Thread Thread-22recve : aaaaaaa
0 bolt recev:{-5994700617723404155=-3738685841476816404}
2014-10-03 21:17:32,362 ERROR (storm.starter.spout.RandomSentenceSpout:71) - spout fail =7
Bolt Thread Thread-22recve : aaaaaaaa
0 bolt recev:{-2308734827213127682=-5719708045753233056}
2014-10-03 21:17:32,563 ERROR (storm.starter.spout.RandomSentenceSpout:71) - spout fail =8
Bolt Thread Thread-22recve : aaaaaaaaa
0 bolt recev:{-3718844156917119468=-6359724009048981605}
2014-10-03 21:17:32,766 ERROR (storm.starter.spout.RandomSentenceSpout:71) - spout fail =9

 

转载于:https://www.cnblogs.com/chengxin1982/p/4005359.html