public static void main(String[] args)
throws IOException, ClassNotFoundException, InterruptedException {
Configuration conf = new Configuration();
Job job = new Job(conf, "job");
job.setJarByClass(PVidConvert.class);
job.setMapperClass(Map1.class);
job.setReducerClass(Reduce1.class);
job.setOutputKeyClass(Text.class);
job.setOutputValueClass(Text.class);
FileInputFormat.addInputPath(job, new Path(args[0]));
FileOutputFormat.setOutputPath(job, new Path("/tmp/temporary_execution/"));
job.waitForCompletion(true);
Configuration conf1 = new Configuration();
Job job1 = new Job(conf1, "job1");
job1.setJarByClass(PVidConvert.class);
job1.setMapperClass(Map2.class);
job1.setReducerClass(Reduce2.class);
job1.setOutputKeyClass(Text.class);
job1.setOutputValueClass(Text.class);
FileInputFormat.addInputPath(job1, new Path("/tmp/temporary_execution/"));
FileOutputFormat.setOutputPath(job1, new Path(args[1]));
job1.waitForCompletion(true);
}
public static void main(String[] args) throws Exception {
String inputDirectory = "/home/cs246/Desktop/HW2/input";
String outputDirectory = "/home/cs246/Desktop/HW2/output";
String centroidDirectory = "/home/cs246/Desktop/HW2/config";
int iterations = 20;
for (int i = 1; i <= iterations; i++) {
Configuration conf = new Configuration();
String cFile = centroidDirectory + "/c" + i + ".txt";
String nextCFile = centroidDirectory + "/c" + (i + 1) + ".txt";
conf.set("CFILE", cFile);
conf.set("NEXTCFILE", nextCFile);
String cFile = centroidDirectory + "/c" + i + ".txt";
String nextCFile = centroidDirectory + "/c" + (i + 1) + ".txt";
conf.set("CFILE", cFile);
conf.set("NEXTCFILE", nextCFile);
Job job = new Job(conf, "HW2_Q4." + i);
job.setJarByClass(HW2_Q4.class);
job.setOutputKeyClass(IntWritable.class);
job.setOutputValueClass(Text.class);
job.setMapperClass(Map1.class);
job.setReducerClass(Reduce1.class);
job.setInputFormatClass(TextInputFormat.class);
job.setOutputFormatClass(TextOutputFormat.class);
FileInputFormat.addInputPath(job, new Path(inputDirectory));
FileOutputFormat.setOutputPath(job, new Path(outputDirectory + "/output" + i));
job.waitForCompletion(true);
}
}
public static void main(String[] args) throws Exception {
final String NAME_NODE = "hdfs://sandbox.hortonworks.com:8020";
Configuration conf = new Configuration();
Job job = Job.getInstance(conf);
job.setJarByClass(WordCount.class);
job.setMapOutputKeyClass(Text.class);
job.setMapOutputValueClass(IntWritable.class);
job.setOutputKeyClass(IntWritable.class);
job.setOutputValueClass(NullWritable.class);
if (args.length > 2) {
job.setNumReduceTasks(Integer.parseInt(args[2]));
}
job.setMapperClass(CountMapper.class);
job.setReducerClass(CountReducer.class);
job.setJarByClass(WordCount.class);
job.setNumReduceTasks(1);
FileInputFormat.addInputPath(job, new Path(args[0] + "data/plot_summaries.txt"));
FileSystem fs = FileSystem.get(conf);
// handle (e.g. delete) existing output path
Path outputDestination = new Path(args[0] + args[1]);
if (fs.exists(outputDestination)) {
fs.delete(outputDestination, true);
}
// set output path & start job1
FileOutputFormat.setOutputPath(job, outputDestination);
int jobCompletionStatus = job.waitForCompletion(true) ? 0 : 1;
}
public int run(String args[]) throws Exception {
Configuration conf = getConf();
/* creates a new job with given job name */
Job job = Job.getInstance(conf, "Mat_vect_mul");
job.setJarByClass(Mat_vect_mul.class);
/* adds input-vector file to the cache */
DistributedCache.addCacheFile(new Path(args[1]).toUri(), job.getConfiguration());
/* set the key class and value class for the job output */
job.setOutputKeyClass(Text.class);
job.setOutputValueClass(Text.class);
/* set mapper and reducer for the job */
job.setMapperClass(Map1.class);
job.setReducerClass(Reduce1.class);
/* set the input foramt and output format for the job */
job.setInputFormatClass(TextInputFormat.class);
job.setOutputFormatClass(TextOutputFormat.class);
/* add path to the list of inputs for the map-reduce job */
FileInputFormat.addInputPath(job, new Path(args[0]));
/* set path of the output diretcory for the map-reduce job*/
FileOutputFormat.setOutputPath(job, new Path(args[2]));
/* Submit the job, then poll for progress until the job is complete */
boolean succ = job.waitForCompletion(true);
if (!succ) {
System.out.println("Job failed, exiting");
return -1;
}
return 0;
}