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);
}
}
@Override
public int run(String[] args) throws Exception {
String locatorHost = args[0];
int locatorPort = Integer.parseInt(args[1]);
String hdfsHomeDir = args[2];
System.out.println(
"KnownKeysMRv2 invoked with args (locatorHost = "
+ locatorHost
+ " locatorPort = "
+ locatorPort
+ " hdfsHomeDir = "
+ hdfsHomeDir);
Configuration conf = getConf();
conf.set(GFInputFormat.INPUT_REGION, "partitionedRegion");
conf.set(GFInputFormat.HOME_DIR, hdfsHomeDir);
conf.setBoolean(GFInputFormat.CHECKPOINT, false);
conf.set(GFOutputFormat.REGION, "validationRegion");
conf.set(GFOutputFormat.LOCATOR_HOST, locatorHost);
conf.setInt(GFOutputFormat.LOCATOR_PORT, locatorPort);
Job job = Job.getInstance(conf, "knownKeysMRv2");
job.setInputFormatClass(GFInputFormat.class);
job.setOutputFormatClass(GFOutputFormat.class);
job.setMapperClass(KnownKeysMRv2Mapper.class);
job.setMapOutputKeyClass(GFKey.class);
job.setMapOutputValueClass(PEIWritable.class);
job.setReducerClass(KnownKeysMRv2Reducer.class);
// job.setOutputKeyClass(String.class);
// job.setOutputValueClass(ValueHolder.class);
return job.waitForCompletion(false) ? 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;
}