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; }
@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; }