Package backtype.storm

Examples of backtype.storm.LocalCluster

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    Config conf = new Config();
    conf.setMaxSpoutPending(20);

    // This topology can only be run as local because it is a toy example
    LocalDRPC drpc = new LocalDRPC();
    LocalCluster cluster = new LocalCluster();
    cluster.submitTopology("hashtagCounter", conf, buildTopology(drpc));
    // Query 100 times for hashtag "california" for illustrating the effect of the lambda architecture
    for(int i = 0; i < 100; i++) {
      System.out.println("Result for hashtag 'california' -> " + drpc.execute("hashtags", "california"));
      Thread.sleep(1000);
    }
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    builder.setBolt("karma-output-json", sequenceFileBolt).shuffleGrouping("karma-reducer-json");
    Config config = new Config();
    config.put("input.path", "/tmp/loaded_data/simpleloader.seq");
    config.setDebug(true);
    StormTopology topology = builder.createTopology();
    LocalCluster cluster = new LocalCluster();
    cluster.submitTopology("karma-basic-topology",
         config,
         topology);
    Utils.sleep(60000);
    cluster.killTopology("karma-basic-topology");
  }
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  private StormRunner() {
  }

  public static void runTopologyLocally(StormTopology topology, String topologyName, Config conf, int runtimeInSeconds)
      throws InterruptedException {
    LocalCluster cluster = new LocalCluster();
    cluster.submitTopology(topologyName, conf, topology);
    Thread.sleep((long) runtimeInSeconds * MILLIS_IN_SEC);
    cluster.killTopology(topologyName);
    cluster.shutdown();
  }
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        .fieldsGrouping("age", new Fields("id"));

    Config conf = new Config();
    conf.setDebug(true);

    LocalCluster cluster = new LocalCluster();
    cluster.submitTopology("join-example", conf, builder.createTopology());

    for (int i = 0; i < 10; i++) {
      String gender;
      if (i % 2 == 0) {
        gender = "male";
      }
      else {
        gender = "female";
      }
      genderSpout.feed(new Values(i, gender));
    }

    for (int i = 9; i >= 0; i--) {
      ageSpout.feed(new Values(i, i + 20));
    }

    Utils.sleep(2000);
    cluster.shutdown();
  }
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  private StormRunner() {
  }

  public static void runTopologyLocally(StormTopology topology, String topologyName, Config conf, int runtimeInSeconds)
      throws InterruptedException {
    LocalCluster cluster = new LocalCluster();
    cluster.submitTopology(topologyName, conf, topology);
    Thread.sleep((long) runtimeInSeconds * MILLIS_IN_SEC);
    cluster.killTopology(topologyName);
    cluster.shutdown();
  }
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    Config conf = new Config();

    if (args == null || args.length == 0) {
      conf.setMaxTaskParallelism(3);
      LocalDRPC drpc = new LocalDRPC();
      LocalCluster cluster = new LocalCluster();
      cluster.submitTopology("reach-drpc", conf, builder.createLocalTopology(drpc));

      String[] urlsToTry = new String[]{ "foo.com/blog/1", "engineering.twitter.com/blog/5", "notaurl.com" };
      for (String url : urlsToTry) {
        System.out.println("Reach of " + url + ": " + drpc.execute("reach", url));
      }

      cluster.shutdown();
      drpc.shutdown();
    }
    else {
      conf.setNumWorkers(6);
      StormSubmitter.submitTopology(args[0], conf, builder.createRemoteTopology());
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    Config conf = new Config();

    if (args == null || args.length == 0) {
      LocalDRPC drpc = new LocalDRPC();
      LocalCluster cluster = new LocalCluster();

      cluster.submitTopology("drpc-demo", conf, builder.createLocalTopology(drpc));

      for (String word : new String[]{ "hello", "goodbye" }) {
        System.out.println("Result for \"" + word + "\": " + drpc.execute("exclamation", word));
      }

      cluster.shutdown();
      drpc.shutdown();
    }
    else {
      conf.setNumWorkers(3);
      StormSubmitter.submitTopology(args[0], conf, builder.createRemoteTopology());
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  public static void main(String[] args) throws Exception {
    Config conf = new Config();
    conf.setMaxSpoutPending(20);
    if (args.length == 0) {
      LocalDRPC drpc = new LocalDRPC();
      LocalCluster cluster = new LocalCluster();
      cluster.submitTopology("wordCounter", conf, buildTopology(drpc));
      for (int i = 0; i < 100; i++) {
        System.out.println("DRPC RESULT: " + drpc.execute("words", "cat the dog jumped"));
        Thread.sleep(1000);
      }
    }
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  public static void main(String[] args) throws Exception {
    LocalDRPC drpc = new LocalDRPC();

    Config conf = new Config();
    LocalCluster cluster = new LocalCluster();

    cluster.submitTopology("reach", conf, buildTopology(drpc));

    Thread.sleep(2000);

    System.out.println("REACH: " + drpc.execute("reach", "aaa"));
    System.out.println("REACH: " + drpc.execute("reach", "foo.com/blog/1"));
    System.out.println("REACH: " + drpc.execute("reach", "engineering.twitter.com/blog/5"));


    cluster.shutdown();
    drpc.shutdown();
  }
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      StormSubmitter.submitTopology(args[0], conf, builder.createTopology());
    }
    else {

      LocalCluster cluster = new LocalCluster();
      cluster.submitTopology("test", conf, builder.createTopology());
      Utils.sleep(10000);
      cluster.killTopology("test");
      cluster.shutdown();
    }
  }
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