Example usage for org.apache.hadoop.mapreduce Job waitForCompletion

Introduction

In this page you can find the example usage for org.apache.hadoop.mapreduce Job waitForCompletion.

Prototype

public boolean waitForCompletion(boolean verbose)
        throws IOException, InterruptedException, ClassNotFoundException 

Source Link

Document

Submit the job to the cluster and wait for it to finish.

Usage

From source file:capturer.valueMerge.java

License:Apache License

public static void main(String[] args) throws Exception {
    Configuration conf = new Configuration();
    String[] otherArgs = new GenericOptionsParser(conf, args).getRemainingArgs();
    if (otherArgs.length < 2) {
        System.err.println("Usage: wordcount <in> [<in>...] <out>");
        System.exit(2);//  ww w .j  a va  2 s .c om
    }
    Job job = new Job(conf, "so fast");
    job.setJarByClass(valueMerge.class);

    job.setMapperClass(TokenizerMapper.class);
    job.setMapOutputKeyClass(Text.class);
    job.setMapOutputValueClass(Text.class);

    job.setReducerClass(IntSumReducer.class);
    job.setOutputKeyClass(Text.class);
    job.setOutputValueClass(Text.class);

    for (int i = 0; i < otherArgs.length - 1; ++i) {
        FileInputFormat.addInputPath(job, new Path(otherArgs[i]));
    }
    FileOutputFormat.setOutputPath(job, new Path(otherArgs[otherArgs.length - 1]));
    System.exit(job.waitForCompletion(true) ? 0 : 1);
}

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From source file:cassandra_mapreduce.MapReduceCassandraDB.java

License:GNU General Public License

public int run(String[] args) throws Exception {

    String columnName = "value";
    getConf().set(CONF_COLUMN_NAME, columnName);
    getConf().set("mapred.job.tracker", args[0] + ":8021");
    Job job = new Job(getConf(), "Phase1");
    job.setJarByClass(MapReduceCassandraDB.class);
    job.setMapperClass(TokenizerMapper.class);
    job.setReducerClass(ReducerToCassandra.class);
    job.setMapOutputKeyClass(Text.class);
    job.setMapOutputValueClass(Text.class);
    job.setOutputKeyClass(ByteBuffer.class);
    job.setOutputValueClass(List.class);

    job.setInputFormatClass(ColumnFamilyInputFormat.class);
    job.setOutputFormatClass(ColumnFamilyOutputFormat.class);
    ConfigHelper.setRangeBatchSize(job.getConfiguration(), 800);
    ConfigHelper.setOutputColumnFamily(job.getConfiguration(), KEYSPACE, OUTPUT_COLUMN_FAMILY);

    ConfigHelper.setRpcPort(job.getConfiguration(), "9160");
    ConfigHelper.setInitialAddress(job.getConfiguration(), args[0]);
    ConfigHelper.setPartitioner(job.getConfiguration(), "org.apache.cassandra.dht.RandomPartitioner");
    ConfigHelper.setInputColumnFamily(job.getConfiguration(), KEYSPACE, COLUMN_FAMILY);
    SlicePredicate predicate = new SlicePredicate()
            .setColumn_names(Arrays.asList(ByteBuffer.wrap(columnName.getBytes())));
    ConfigHelper.setInputSlicePredicate(job.getConfiguration(), predicate);

    job.waitForCompletion(true);

    //Phase 2// w ww  . j a  va  2 s.  c  o m
    Job job2 = new Job(getConf(), "Phase2");
    job2.setJarByClass(MapReduceCassandraDB.class);
    job2.setMapperClass(Mapper2.class);
    job2.setReducerClass(Reducer2.class);
    job2.setMapOutputKeyClass(Text.class);
    job2.setMapOutputValueClass(IntWritable.class);
    job2.setOutputKeyClass(ByteBuffer.class);
    job2.setOutputValueClass(List.class);

    job2.setInputFormatClass(ColumnFamilyInputFormat.class);
    job2.setOutputFormatClass(ColumnFamilyOutputFormat.class);
    ConfigHelper.setOutputColumnFamily(job2.getConfiguration(), KEYSPACE, OUTPUT_COLUMN_FAMILY2);

    ConfigHelper.setRpcPort(job2.getConfiguration(), "9160");
    ConfigHelper.setInitialAddress(job2.getConfiguration(), args[0]);
    ConfigHelper.setPartitioner(job2.getConfiguration(), "org.apache.cassandra.dht.RandomPartitioner");
    ConfigHelper.setInputColumnFamily(job2.getConfiguration(), KEYSPACE, OUTPUT_COLUMN_FAMILY);
    SlicePredicate predicate2 = new SlicePredicate()
            .setColumn_names(Arrays.asList(ByteBuffer.wrap(columnName.getBytes())));
    ConfigHelper.setInputSlicePredicate(job2.getConfiguration(), predicate2);

    job2.waitForCompletion(true);

    //        job.setCombinerClass(IntSumReducer.class);
    //        job.setReducerClass(IntSumReducer.class);
    //        job.setOutputKeyClass(Text.class);
    //        job.setOutputValueClass(Text.class);
    //
    //        job.setInputFormatClass(ColumnFamilyInputFormat.class);
    //        FileOutputFormat.setOutputPath(job, new Path(OUTPUT_PATH_PREFIX));
    //        
    //        ConfigHelper.setRpcPort(job.getConfiguration(), "9160");
    //        ConfigHelper.setInitialAddress(job.getConfiguration(), args[0]);
    //        ConfigHelper.setPartitioner(job.getConfiguration(), "org.apache.cassandra.dht.RandomPartitioner");
    //        ConfigHelper.setInputColumnFamily(job.getConfiguration(), KEYSPACE, COLUMN_FAMILY);
    //        SlicePredicate predicate = new SlicePredicate().setColumn_names(Arrays.asList(ByteBuffer.wrap(columnName.getBytes())));
    //        ConfigHelper.setInputSlicePredicate(job.getConfiguration(), predicate);
    //
    //        job.waitForCompletion(true);

    return 0;
}

---

From source file:cc.slda.AnnotateDocuments.java

License:Apache License

/**
 * Runs this tool.//from   w  w w  .j a  v a2  s. co  m
 */
@SuppressWarnings({ "static-access" })
public int run(String[] args) throws Exception {
    Options options = new Options();

    options.addOption(OptionBuilder.withArgName("path").hasArg().withDescription("input path").create(INPUT));
    options.addOption(OptionBuilder.withArgName("path").hasArg().withDescription("output path").create(OUTPUT));
    options.addOption(OptionBuilder.withArgName("num").hasArg().withDescription("number of reducers")
            .create(NUM_REDUCERS));
    options.addOption(OptionBuilder.withArgName(PCUTOFF).hasArg()
            .withDescription("probability of topic assignment").create(PCUTOFF));
    options.addOption(OptionBuilder.withArgName(INDEX).hasArg()
            .withDescription("path to data directory containing term and title indices").create(INDEX));

    CommandLine cmdline;
    CommandLineParser parser = new GnuParser();

    try {
        cmdline = parser.parse(options, args);
    } catch (ParseException exp) {
        System.err.println("Error parsing command line: " + exp.getMessage());
        return -1;
    }

    if (!cmdline.hasOption(INPUT) || !cmdline.hasOption(OUTPUT) || !cmdline.hasOption(INDEX)) {
        System.out.println("args: " + Arrays.toString(args));
        HelpFormatter formatter = new HelpFormatter();
        formatter.setWidth(120);
        formatter.printHelp(this.getClass().getName(), options);
        ToolRunner.printGenericCommandUsage(System.out);
        return -1;
    }

    String indexPath = cmdline.getOptionValue(INDEX);
    String inputPath = cmdline.getOptionValue(INPUT);
    String outputPath = cmdline.getOptionValue(OUTPUT);
    int reduceTasks = cmdline.hasOption(NUM_REDUCERS) ? Integer.parseInt(cmdline.getOptionValue(NUM_REDUCERS))
            : 1;

    float cutoff = 0.9f;
    if (cmdline.hasOption(PCUTOFF)) {
        cutoff = Float.parseFloat(cmdline.getOptionValue(PCUTOFF));
    }
    LOG.info("Tool: " + AnnotateDocuments.class.getSimpleName());
    LOG.info(" - indices path: " + indexPath);
    LOG.info(" - input path: " + inputPath);
    LOG.info(" - output path: " + outputPath);
    LOG.info(" - number of reducers: " + reduceTasks);
    LOG.info(" - log(probCutoff): " + Math.log(cutoff));

    Configuration conf = getConf();
    FileSystem fs = FileSystem.get(conf);

    Job job = Job.getInstance(conf);
    job.setJobName(AnnotateDocuments.class.getSimpleName());
    job.setJarByClass(AnnotateDocuments.class);

    String termIndex = indexPath + Path.SEPARATOR + TERM;
    String titleIndex = indexPath + Path.SEPARATOR + TITLE;

    Path termIndexPath = new Path(termIndex);
    Path titleIndexPath = new Path(titleIndex);

    Preconditions.checkArgument(fs.exists(termIndexPath), "Missing term index files... " + termIndexPath);
    DistributedCache.addCacheFile(termIndexPath.toUri(), job.getConfiguration());
    Preconditions.checkArgument(fs.exists(titleIndexPath), "Missing title index files... " + titleIndexPath);
    DistributedCache.addCacheFile(titleIndexPath.toUri(), job.getConfiguration());

    job.setNumReduceTasks(reduceTasks);
    conf.setFloat(PCUTOFF, cutoff);

    job.setInputFormatClass(SequenceFileInputFormat.class);
    job.setOutputFormatClass(SequenceFileOutputFormat.class);
    FileInputFormat.setInputPaths(job, new Path(inputPath));
    FileOutputFormat.setOutputPath(job, new Path(outputPath));

    job.setMapOutputKeyClass(Text.class);
    job.setMapOutputValueClass(HMapSIW.class);
    job.setOutputKeyClass(Text.class);
    job.setOutputValueClass(HMapSIW.class);

    job.setMapperClass(MyMapper.class);

    // Delete the output directory if it exists already.
    Path outputDir = new Path(outputPath);
    FileSystem.get(conf).delete(outputDir, true);

    long startTime = System.currentTimeMillis();
    job.waitForCompletion(true);
    LOG.info("Job Finished in " + (System.currentTimeMillis() - startTime) / 1000.0 + " seconds");

    return 0;
}

---

From source file:cgl.hadoop.apps.runner.DataAnalysis.java

License:Open Source License

/**
 * Launch the MapReduce computation.//  w  w  w  . j  a va2 s  .  co m
 * This method first, remove any previous working directories and create a new one
 * Then the data (file names) is copied to this new directory and launch the 
 * MapReduce (map-only though) computation.
 * @param numMapTasks - Number of map tasks.
 * @param numReduceTasks - Number of reduce tasks =0.
 * @param programDir - The directory where the Cap3 program is.
 * @param execName - Name of the executable.
 * @param dataDir - Directory where the data is located.
 * @param outputDir - Output directory to place the output.
 * @param cmdArgs - These are the command line arguments to the Cap3 program.
 * @throws Exception - Throws any exception occurs in this program.
 */
void launch(int numReduceTasks, String programDir, String execName, String workingDir, String databaseArchive,
        String databaseName, String dataDir, String outputDir, String cmdArgs) throws Exception {

    Configuration conf = new Configuration();
    Job job = new Job(conf, execName);

    // First get the file system handler, delete any previous files, add the
    // files and write the data to it, then pass its name as a parameter to
    // job
    Path hdMainDir = new Path(outputDir);
    FileSystem fs = FileSystem.get(conf);
    fs.delete(hdMainDir, true);

    Path hdOutDir = new Path(hdMainDir, "out");

    // Starting the data analysis.
    Configuration jc = job.getConfiguration();

    jc.set(WORKING_DIR, workingDir);
    jc.set(EXECUTABLE, execName);
    jc.set(PROGRAM_DIR, programDir); // this the name of the executable archive
    jc.set(DB_ARCHIVE, databaseArchive);
    jc.set(DB_NAME, databaseName);
    jc.set(PARAMETERS, cmdArgs);
    jc.set(OUTPUT_DIR, outputDir);

    // using distributed cache
    // flush it
    //DistributedCache.releaseCache(new URI(programDir), jc);
    //DistributedCache.releaseCache(new URI(databaseArchive), jc);
    //DistributedCache.purgeCache(jc);
    // reput the data into cache
    long startTime = System.currentTimeMillis();
    //DistributedCache.addCacheArchive(new URI(databaseArchive), jc);
    DistributedCache.addCacheArchive(new URI(programDir), jc);
    System.out.println(
            "Add Distributed Cache in " + (System.currentTimeMillis() - startTime) / 1000.0 + " seconds");

    FileInputFormat.setInputPaths(job, dataDir);
    FileOutputFormat.setOutputPath(job, hdOutDir);

    job.setJarByClass(DataAnalysis.class);
    job.setMapperClass(RunnerMap.class);
    job.setOutputKeyClass(IntWritable.class);
    job.setOutputValueClass(Text.class);

    job.setInputFormatClass(DataFileInputFormat.class);
    job.setOutputFormatClass(SequenceFileOutputFormat.class);
    job.setNumReduceTasks(numReduceTasks);

    startTime = System.currentTimeMillis();

    int exitStatus = job.waitForCompletion(true) ? 0 : 1;
    System.out.println("Job Finished in " + (System.currentTimeMillis() - startTime) / 1000.0 + " seconds");
    //clean the cache

    System.exit(exitStatus);
}

---

From source file:chaohBIM.BIMGetIndex.java

License:Apache License

public static void main(String[] args) throws Exception {
    Configuration conf = new Configuration();
    String[] otherArgs = new GenericOptionsParser(conf, args).getRemainingArgs();
    if (otherArgs.length != 2) {
        System.err.println("Usage: wordcount <in> <out>");
        System.exit(2);//from  w w w  . j  av  a 2s. com
    }
    Job job = new Job(conf, "getTfidf");
    job.setJarByClass(BIMGetIndex.class);

    job.setMapperClass(tfidfMapper.class);

    job.setCombinerClass(tfidfCombiner.class);
    job.setReducerClass(tfidfdReducer.class);

    job.setOutputKeyClass(Text.class);
    job.setOutputValueClass(Text.class);

    job.setInputFormatClass(ZipFileInputFormat.class);
    FileInputFormat.addInputPath(job, new Path(otherArgs[0]));
    FileOutputFormat.setOutputPath(job, new Path(otherArgs[1]));
    System.exit(job.waitForCompletion(true) ? 0 : 1);
}

---

From source file:chaohParse.huangWordCount.java

License:Open Source License

public static void main(String[] args) throws Exception {
    Configuration conf = new Configuration();
    String[] otherArgs = new GenericOptionsParser(conf, args).getRemainingArgs();
    if (otherArgs.length != 2) {
        System.err.println("Usage: wordcount <in> <out>");
        System.exit(2);//w  w w.j  a  v  a2s.  com
    }
    Job job = new Job(conf, "word count");

    job.setJarByClass(huangWordCount.class);

    job.setMapperClass(WordMapper.class);
    job.setMapOutputKeyClass(Text.class);
    job.setMapOutputValueClass(Text.class);

    job.setCombinerClass(WordCombiner.class);
    job.setReducerClass(WordReducer.class);

    job.setInputFormatClass(ZipFileInputFormat.class);

    job.setOutputKeyClass(Text.class);
    job.setOutputValueClass(Text.class);
    FileInputFormat.addInputPath(job, new Path(otherArgs[0]));
    FileOutputFormat.setOutputPath(job, new Path(otherArgs[1]));
    System.exit(job.waitForCompletion(true) ? 0 : 1);
}

---

From source file:chaohParse.searchWord.java

License:Apache License

public static void main(String[] args) throws Exception {
    Configuration conf = new Configuration();
    String[] otherArgs = new GenericOptionsParser(conf, args).getRemainingArgs();
    if (otherArgs.length != 2) {
        System.err.println("Usage: wordcount <in> <out>");
        System.exit(2);/*from  w w  w  . j  a  v  a 2s .  c o  m*/
    }
    Job job = new Job(conf, "word count");
    job.setJarByClass(wordcount.class);
    job.setMapperClass(TokenizerMapper.class);
    job.setMapOutputKeyClass(Text.class);
    job.setMapOutputValueClass(Integer.class);

    job.setReducerClass(IntSumReducer.class);

    job.setOutputKeyClass(IntWritable.class);
    job.setOutputValueClass(Text.class);

    job.setInputFormatClass(FileInputFormat.class);
    FileInputFormat.addInputPath(job, new Path(otherArgs[0]));
    FileOutputFormat.setOutputPath(job, new Path(otherArgs[1]));
    System.exit(job.waitForCompletion(true) ? 0 : 1);
}

---

From source file:chaohParse.uniword.java

License:Apache License

public static void main(String[] args) throws Exception {
    Configuration conf = new Configuration();
    String[] otherArgs = new GenericOptionsParser(conf, args).getRemainingArgs();
    if (otherArgs.length != 2) {
        System.err.println("Usage: wordcount <in> <out>");
        System.exit(2);// ww w . j a  v  a 2 s.c o  m
    }
    Job job = new Job(conf, "word count");
    job.setJarByClass(uniword.class);
    job.setMapperClass(TokenizerMapper.class);
    job.setMapOutputKeyClass(Text.class);
    job.setMapOutputValueClass(Text.class);

    //job.setCombinerClass(myUniwordCombiner.class);
    job.setReducerClass(myUniwordReducer.class);

    job.setOutputKeyClass(Text.class);
    job.setOutputValueClass(Text.class);

    job.setInputFormatClass(ZipFileInputFormat.class);
    FileInputFormat.addInputPath(job, new Path(otherArgs[0]));
    FileOutputFormat.setOutputPath(job, new Path(otherArgs[1]));
    System.exit(job.waitForCompletion(true) ? 0 : 1);
}

---

From source file:chapter7.src.InputDriver.java

License:Apache License

public static void runJob(Path input, Path output, String vectorClassName, Configuration config)
        throws IOException, InterruptedException, ClassNotFoundException {
    Configuration conf = config;//from ww w. j a v  a2  s  .co m
    conf.set("vector.implementation.class.name", vectorClassName);
    Job job = new Job(conf, "Input Driver running over input: " + input);

    job.setOutputKeyClass(Text.class);
    job.setOutputValueClass(VectorWritable.class);
    job.setOutputFormatClass(SequenceFileOutputFormat.class);
    job.setMapperClass(InputMapper.class);
    job.setNumReduceTasks(0);
    job.setJarByClass(InputDriver.class);

    FileInputFormat.addInputPath(job, input);
    FileOutputFormat.setOutputPath(job, output);

    job.waitForCompletion(true);
}

---

From source file:cityhub.CityHub.java

@Override
public int run(String[] strings) throws Exception {
    Configuration conf = new Configuration();
    Job job = Job.getInstance(conf, "ReduceJoin");
    job.setJarByClass(CityHub.class);

    MultipleInputs.addInputPath(job, new Path(strings[0]), TextInputFormat.class, JoinMapper1.class);
    MultipleInputs.addInputPath(job, new Path(strings[1]), TextInputFormat.class, JoinMapper2.class);
    job.getConfiguration().set("join.type", "innerjoin");

    job.setReducerClass(JoinReducer.class);
    job.setOutputFormatClass(TextOutputFormat.class);
    TextOutputFormat.setOutputPath(job, new Path(strings[2]));

    job.setOutputKeyClass(Text.class);
    job.setOutputValueClass(Text.class);

    boolean complete = job.waitForCompletion(true);
    Configuration conf1 = new Configuration();
    Job job2 = Job.getInstance(conf1, "chaining");
    if (complete) {
        job2.setJarByClass(CityHub.class);

        MultipleInputs.addInputPath(job2, new Path(strings[2]), TextInputFormat.class, JoinMapper3.class);
        MultipleInputs.addInputPath(job2, new Path(strings[3]), TextInputFormat.class, JoinMapper4.class);
        job2.getConfiguration().set("join.type", "innerjoin");

        job2.setReducerClass(JoinReducer1.class);
        job2.setOutputFormatClass(TextOutputFormat.class);

        job2.setOutputKeyClass(Text.class);
        job2.setOutputValueClass(Text.class);
        TextOutputFormat.setOutputPath(job2, new Path(strings[4]));
    }// w w  w . ja  v  a 2 s .co m
    boolean success = job2.waitForCompletion(true);
    return success ? 0 : 4;

}

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