Example usage for org.apache.hadoop.mapred.jobcontrol JobControl addJob

Introduction

In this page you can find the example usage for org.apache.hadoop.mapred.jobcontrol JobControl addJob.

Prototype

synchronized public String addJob(ControlledJob aJob) 

Source Link

Document

Add a new controlled job.

Usage

From source file:org.apache.pig.test.pigmix.mapreduce.L8.java

License:Apache License

public static void main(String[] args) throws IOException {

    if (args.length != 3) {
        System.out.println("Parameters: inputDir outputDir parallel");
        System.exit(1);//  w  ww . j  a  va2s .  c  o m
    }
    String inputDir = args[0];
    String outputDir = args[1];
    String parallel = args[2];
    JobConf lp = new JobConf(L8.class);
    lp.setJobName("L8 Load Page Views");
    lp.setInputFormat(TextInputFormat.class);
    lp.setOutputKeyClass(Text.class);
    lp.setOutputValueClass(Text.class);
    lp.setMapperClass(ReadPageViews.class);
    lp.setCombinerClass(Combiner.class);
    lp.setReducerClass(Group.class);
    Properties props = System.getProperties();
    for (Map.Entry<Object, Object> entry : props.entrySet()) {
        lp.set((String) entry.getKey(), (String) entry.getValue());
    }
    FileInputFormat.addInputPath(lp, new Path(inputDir + "/page_views"));
    FileOutputFormat.setOutputPath(lp, new Path(outputDir + "/L8out"));
    lp.setNumReduceTasks(1);
    Job group = new Job(lp);

    JobControl jc = new JobControl("L8 join");
    jc.addJob(group);

    new Thread(jc).start();

    int i = 0;
    while (!jc.allFinished()) {
        ArrayList<Job> failures = jc.getFailedJobs();
        if (failures != null && failures.size() > 0) {
            for (Job failure : failures) {
                System.err.println(failure.getMessage());
            }
            break;
        }

        try {
            Thread.sleep(5000);
        } catch (InterruptedException e) {
        }

        if (i % 10000 == 0) {
            System.out.println("Running jobs");
            ArrayList<Job> running = jc.getRunningJobs();
            if (running != null && running.size() > 0) {
                for (Job r : running) {
                    System.out.println(r.getJobName());
                }
            }
            System.out.println("Ready jobs");
            ArrayList<Job> ready = jc.getReadyJobs();
            if (ready != null && ready.size() > 0) {
                for (Job r : ready) {
                    System.out.println(r.getJobName());
                }
            }
            System.out.println("Waiting jobs");
            ArrayList<Job> waiting = jc.getWaitingJobs();
            if (waiting != null && waiting.size() > 0) {
                for (Job r : ready) {
                    System.out.println(r.getJobName());
                }
            }
            System.out.println("Successful jobs");
            ArrayList<Job> success = jc.getSuccessfulJobs();
            if (success != null && success.size() > 0) {
                for (Job r : ready) {
                    System.out.println(r.getJobName());
                }
            }
        }
        i++;
    }
    ArrayList<Job> failures = jc.getFailedJobs();
    if (failures != null && failures.size() > 0) {
        for (Job failure : failures) {
            System.err.println(failure.getMessage());
        }
    }
    jc.stop();
}

---

From source file:org.apache.pig.test.pigmix.mapreduce.L9.java

License:Apache License

public static void main(String[] args) throws IOException {

    if (args.length != 3) {
        System.out.println("Parameters: inputDir outputDir parallel");
        System.exit(1);/* w  w  w . j a  va2 s.  co  m*/
    }
    String inputDir = args[0];
    String outputDir = args[1];
    String parallel = args[2];
    JobConf lp = new JobConf(L9.class);
    lp.setJobName("L9 Load Page Views");
    lp.setInputFormat(TextInputFormat.class);
    lp.setOutputKeyClass(Text.class);
    lp.setOutputValueClass(Text.class);
    lp.setMapperClass(ReadPageViews.class);
    lp.setReducerClass(Group.class);
    lp.setPartitionerClass(MyPartitioner.class);
    Properties props = System.getProperties();
    for (Map.Entry<Object, Object> entry : props.entrySet()) {
        lp.set((String) entry.getKey(), (String) entry.getValue());
    }
    FileInputFormat.addInputPath(lp, new Path(inputDir + "/page_views"));
    FileOutputFormat.setOutputPath(lp, new Path(outputDir + "/L9out"));
    // Hardcode the parallel to 40 since MyPartitioner assumes it
    lp.setNumReduceTasks(40);
    Job group = new Job(lp);

    JobControl jc = new JobControl("L9 join");
    jc.addJob(group);

    new Thread(jc).start();

    int i = 0;
    while (!jc.allFinished()) {
        ArrayList<Job> failures = jc.getFailedJobs();
        if (failures != null && failures.size() > 0) {
            for (Job failure : failures) {
                System.err.println(failure.getMessage());
            }
            break;
        }

        try {
            Thread.sleep(5000);
        } catch (InterruptedException e) {
        }

        if (i % 10000 == 0) {
            System.out.println("Running jobs");
            ArrayList<Job> running = jc.getRunningJobs();
            if (running != null && running.size() > 0) {
                for (Job r : running) {
                    System.out.println(r.getJobName());
                }
            }
            System.out.println("Ready jobs");
            ArrayList<Job> ready = jc.getReadyJobs();
            if (ready != null && ready.size() > 0) {
                for (Job r : ready) {
                    System.out.println(r.getJobName());
                }
            }
            System.out.println("Waiting jobs");
            ArrayList<Job> waiting = jc.getWaitingJobs();
            if (waiting != null && waiting.size() > 0) {
                for (Job r : ready) {
                    System.out.println(r.getJobName());
                }
            }
            System.out.println("Successful jobs");
            ArrayList<Job> success = jc.getSuccessfulJobs();
            if (success != null && success.size() > 0) {
                for (Job r : ready) {
                    System.out.println(r.getJobName());
                }
            }
        }
        i++;
    }
    ArrayList<Job> failures = jc.getFailedJobs();
    if (failures != null && failures.size() > 0) {
        for (Job failure : failures) {
            System.err.println(failure.getMessage());
        }
    }
    jc.stop();
}

---

• «
• 1
• 2
• 3
• »