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

Introduction

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

Prototype

public Configuration getConfiguration() 

Source Link

Document

Return the configuration for the job.

Usage

From source file:MarkovStateTransitionModel.java

License:Apache License

@Override
public int run(String[] args) throws Exception {
    Job job = new Job(getConf());
    String jobName = "Markov tate transition model";
    job.setJobName(jobName);/*  w ww .j  a v a2  s  .  c om*/

    job.setJarByClass(MarkovStateTransitionModel.class);

    FileInputFormat.addInputPath(job, new Path(args[0]));
    FileOutputFormat.setOutputPath(job, new Path(args[1]));

    Utility.setConfiguration(job.getConfiguration(), "avenir");
    job.setMapperClass(MarkovStateTransitionModel.StateTransitionMapper.class);
    job.setReducerClass(MarkovStateTransitionModel.StateTransitionReducer.class);
    job.setCombinerClass(MarkovStateTransitionModel.StateTransitionCombiner.class);

    job.setMapOutputKeyClass(Tuple.class);
    job.setMapOutputValueClass(IntWritable.class);

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

    job.setNumReduceTasks(job.getConfiguration().getInt("num.reducer", 1));

    int status = job.waitForCompletion(true) ? 0 : 1;
    return status;
}

---

From source file:WordCount.java

License:Apache License

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

    ///start// w  w w . j a va2s  .  c  o m
    final long startTime = System.currentTimeMillis();
    String outputReducerType = "filesystem";
    if (args != null && args[0].startsWith(OUTPUT_REDUCER_VAR)) {
        String[] s = args[0].split("=");
        if (s != null && s.length == 2)
            outputReducerType = s[1];
    }
    logger.info("output reducer type: " + outputReducerType);

    // use a smaller page size that doesn't divide the row count evenly to exercise the paging logic better
    ConfigHelper.setRangeBatchSize(getConf(), 99);

    for (int i = 0; i < WordCountSetup.TEST_COUNT; i++) {
        String columnName = "userId";
        Job job = new Job(getConf(), "wordcount");
        job.setJarByClass(WordCount.class);
        job.setMapperClass(TokenizerMapper.class);

        if (outputReducerType.equalsIgnoreCase("filesystem")) {
            job.setReducerClass(ReducerToFilesystem.class);
            job.setOutputKeyClass(Text.class);
            job.setOutputValueClass(Text.class);
            FileOutputFormat.setOutputPath(job, new Path(OUTPUT_PATH_PREFIX + i));
        } else {
            job.setReducerClass(ReducerToCassandra.class);

            job.setMapOutputKeyClass(Text.class);
            job.setMapOutputValueClass(Text.class);
            job.setOutputKeyClass(ByteBuffer.class);
            job.setOutputValueClass(List.class);

            job.setOutputFormatClass(ColumnFamilyOutputFormat.class);

            ConfigHelper.setOutputColumnFamily(job.getConfiguration(), KEYSPACE, OUTPUT_COLUMN_FAMILY);
            job.getConfiguration().set(CONF_COLUMN_NAME, "sum");
        }

        job.setInputFormatClass(ColumnFamilyInputFormat.class);
        ConfigHelper.setInputRpcPort(job.getConfiguration(), "9160");
        ConfigHelper.setInputInitialAddress(job.getConfiguration(), "localhost");
        ConfigHelper.setInputPartitioner(job.getConfiguration(), "RandomPartitioner");
        ConfigHelper.setInputColumnFamily(job.getConfiguration(), KEYSPACE, COLUMN_FAMILY);

        SlicePredicate predicate = new SlicePredicate()
                .setColumn_names(Arrays.asList(ByteBufferUtil.bytes(columnName)));
        ConfigHelper.setInputSlicePredicate(job.getConfiguration(), predicate);

        // this will cause the predicate to be ignored in favor of scanning everything as a wide row
        //Son degisiklik
        // ConfigHelper.setInputColumnFamily(job.getConfiguration(), KEYSPACE, COLUMN_FAMILY, true);
        //System.out.println("tessssssaaat");

        ConfigHelper.setOutputInitialAddress(job.getConfiguration(), "localhost");
        ConfigHelper.setOutputPartitioner(job.getConfiguration(), "RandomPartitioner");

        job.waitForCompletion(true);
    }
    //print
    final double duration = (System.currentTimeMillis() - startTime) / 1000.0; // after
    System.out.println();
    System.out.println("Job Finished in " + duration + " seconds");
    System.out.println();

    return 0;
}

---

From source file:ComputeCooccurrenceMatrixPairs.java

License:Apache License

/**
 * Runs this tool.//from   ww  w  . j  a v  a2s .  com
 */
@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("window size").create(WINDOW));
    options.addOption(OptionBuilder.withArgName("num").hasArg().withDescription("number of reducers")
            .create(NUM_REDUCERS));

    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)) {
        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 inputPath = cmdline.getOptionValue(INPUT);
    String outputPath = cmdline.getOptionValue(OUTPUT);
    int reduceTasks = cmdline.hasOption(NUM_REDUCERS) ? Integer.parseInt(cmdline.getOptionValue(NUM_REDUCERS))
            : 1;
    int window = cmdline.hasOption(WINDOW) ? Integer.parseInt(cmdline.getOptionValue(WINDOW)) : 2;

    LOG.info("Tool: " + ComputeCooccurrenceMatrixPairs.class.getSimpleName());
    LOG.info(" - input path: " + inputPath);
    LOG.info(" - output path: " + outputPath);
    LOG.info(" - window: " + window);
    LOG.info(" - number of reducers: " + reduceTasks);

    Job job = Job.getInstance(getConf());
    job.setJobName(ComputeCooccurrenceMatrixPairs.class.getSimpleName());
    job.setJarByClass(ComputeCooccurrenceMatrixPairs.class);

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

    job.getConfiguration().setInt("window", window);

    job.setNumReduceTasks(reduceTasks);

    FileInputFormat.setInputPaths(job, new Path(inputPath));
    FileOutputFormat.setOutputPath(job, new Path(outputPath));

    job.setMapOutputKeyClass(PairOfStrings.class);
    job.setMapOutputValueClass(IntWritable.class);
    job.setOutputKeyClass(PairOfStrings.class);
    job.setOutputValueClass(IntWritable.class);

    job.setMapperClass(MyMapper.class);
    job.setCombinerClass(MyReducer.class);
    job.setReducerClass(MyReducer.class);
    job.setPartitionerClass(MyPartitioner.class);

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

    return 0;
}

---

From source file:WordCount.java

License:Apache License

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

    ///start//  w ww  . j  av  a  2  s.co  m
    final long startTime = System.currentTimeMillis();
    String outputReducerType = "filesystem";
    if (args != null && args[0].startsWith(OUTPUT_REDUCER_VAR)) {
        String[] s = args[0].split("=");
        if (s != null && s.length == 2)
            outputReducerType = s[1];
    }

    logger.info("output reducer type: " + outputReducerType);

    // use a smaller page size that doesn't divide the row count evenly to exercise the paging logic better
    ConfigHelper.setRangeBatchSize(getConf(), 99);

    for (int i = 0; i < WordCountSetup.TEST_COUNT; i++) {
        String columnName = "userId";

        Job job = new Job(getConf(), "wordcount");
        job.setJarByClass(WordCount.class);
        job.setMapperClass(TokenizerMapper.class);

        if (outputReducerType.equalsIgnoreCase("filesystem")) {
            job.setReducerClass(ReducerToFilesystem.class);
            job.setOutputKeyClass(Text.class);
            job.setOutputValueClass(Text.class);
            FileOutputFormat.setOutputPath(job, new Path(OUTPUT_PATH_PREFIX + i));
        } else {
            job.setReducerClass(ReducerToCassandra.class);
            job.setMapOutputKeyClass(Text.class);
            job.setMapOutputValueClass(Text.class);
            job.setOutputKeyClass(ByteBuffer.class);
            job.setOutputValueClass(List.class);
            job.setOutputFormatClass(ColumnFamilyOutputFormat.class);
            ConfigHelper.setOutputColumnFamily(job.getConfiguration(), KEYSPACE, OUTPUT_COLUMN_FAMILY);
            job.getConfiguration().set(CONF_COLUMN_NAME, "sum");
        }
        job.setInputFormatClass(ColumnFamilyInputFormat.class);
        ConfigHelper.setInputRpcPort(job.getConfiguration(), "9160");
        ConfigHelper.setInputInitialAddress(job.getConfiguration(), "localhost");
        ConfigHelper.setInputPartitioner(job.getConfiguration(), "RandomPartitioner");
        ConfigHelper.setInputColumnFamily(job.getConfiguration(), KEYSPACE, COLUMN_FAMILY);

        SlicePredicate predicate = new SlicePredicate()
                .setColumn_names(Arrays.asList(ByteBufferUtil.bytes(columnName)));
        ConfigHelper.setInputSlicePredicate(job.getConfiguration(), predicate);

        // this will cause the predicate to be ignored in favor of scanning everything as a wide row          
        //Son degisiklik
        // ConfigHelper.setInputColumnFamily(job.getConfiguration(), KEYSPACE, COLUMN_FAMILY, true);
        //System.out.println("tessssssaaat");

        ConfigHelper.setOutputInitialAddress(job.getConfiguration(), "localhost");
        ConfigHelper.setOutputPartitioner(job.getConfiguration(), "RandomPartitioner");

        job.waitForCompletion(true);
    }

    //print
    final double duration = (System.currentTimeMillis() - startTime) / 1000.0; // after
    System.out.println();
    System.out.println("Job Finished in " + duration + " seconds");
    System.out.println();

    return 0;
}

---

From source file:WordCount.java

License:Apache License

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

    ///start/*from w  w  w . jav a 2s  .  c o  m*/
    final long startTime = System.currentTimeMillis();
    String outputReducerType = "filesystem";
    if (args != null && args[0].startsWith(OUTPUT_REDUCER_VAR)) {
        String[] s = args[0].split("=");
        if (s != null && s.length == 2)
            outputReducerType = s[1];
    }
    logger.info("output reducer type: " + outputReducerType);

    // use a smaller page size that doesn't divide the row count evenly to exercise the paging logic better
    ConfigHelper.setRangeBatchSize(getConf(), 99);

    for (int i = 0; i < WordCountSetup.TEST_COUNT; i++) {
        String columnName = "userId";
        Job job = new Job(getConf(), "wordcount");
        job.setJarByClass(WordCount.class);
        job.setMapperClass(TokenizerMapper.class);
        //System.out.println("test");

        if (outputReducerType.equalsIgnoreCase("filesystem")) {
            job.setReducerClass(ReducerToFilesystem.class);
            job.setOutputKeyClass(Text.class);
            job.setOutputValueClass(Text.class);
            FileOutputFormat.setOutputPath(job, new Path(OUTPUT_PATH_PREFIX + i));
        } else {
            job.setReducerClass(ReducerToCassandra.class);
            job.setMapOutputKeyClass(Text.class);
            job.setMapOutputValueClass(Text.class);
            job.setOutputKeyClass(ByteBuffer.class);
            job.setOutputValueClass(List.class);
            job.setOutputFormatClass(ColumnFamilyOutputFormat.class);
            ConfigHelper.setOutputColumnFamily(job.getConfiguration(), KEYSPACE, OUTPUT_COLUMN_FAMILY);
            job.getConfiguration().set(CONF_COLUMN_NAME, "sum");
        }

        job.setInputFormatClass(ColumnFamilyInputFormat.class);

        ConfigHelper.setInputRpcPort(job.getConfiguration(), "9160");
        ConfigHelper.setInputInitialAddress(job.getConfiguration(), "localhost");
        ConfigHelper.setInputPartitioner(job.getConfiguration(), "RandomPartitioner");
        ConfigHelper.setInputColumnFamily(job.getConfiguration(), KEYSPACE, COLUMN_FAMILY);
        SlicePredicate predicate = new SlicePredicate()
                .setColumn_names(Arrays.asList(ByteBufferUtil.bytes(columnName)));
        ConfigHelper.setInputSlicePredicate(job.getConfiguration(), predicate);

        // this will cause the predicate to be ignored in favor of scanning everything as a wide row

        //Son degisiklik
        // ConfigHelper.setInputColumnFamily(job.getConfiguration(), KEYSPACE, COLUMN_FAMILY, true);
        ConfigHelper.setOutputInitialAddress(job.getConfiguration(), "localhost");
        ConfigHelper.setOutputPartitioner(job.getConfiguration(), "RandomPartitioner");
        job.waitForCompletion(true);
    }
    //print
    final double duration = (System.currentTimeMillis() - startTime) / 1000.0; // after
    System.out.println();
    System.out.println("Job Finished in " + duration + " seconds");
    System.out.println();

    return 0;
}

---

From source file:GraphCompare.java

License:Apache License

public static void main(String[] args) throws Exception {
    Configuration conf = new Configuration();
    Job job1 = Job.getInstance(conf, "graph compare 1");

    job1.setJarByClass(GraphCompare.class);
    job1.setMapperClass(Map1.class);
    job1.setReducerClass(Reduce1.class);
    job1.setMapOutputKeyClass(Text.class);
    job1.setMapOutputValueClass(IntWritable.class);
    job1.setOutputKeyClass(IntWritable.class);
    job1.setOutputValueClass(IntWritable.class);

    job1.setNumReduceTasks(30);//from   w ww  .j av  a  2 s  .c  o  m
    job1.getConfiguration().set("mapreduce.input.fileinputformat.split.maxsize", "25000");

    FileInputFormat.addInputPath(job1, new Path(args[0]));
    FileInputFormat.addInputPath(job1, new Path(args[1]));
    FileOutputFormat.setOutputPath(job1, new Path(args[2]));

    job1.waitForCompletion(true);

    Job job2 = Job.getInstance(conf, "graph compare 2");
    job2.setJarByClass(GraphCompare.class);
    job2.setMapperClass(Map2.class);
    job2.setReducerClass(Reduce2.class);
    job2.setMapOutputKeyClass(IntWritable.class);
    job2.setMapOutputValueClass(IntWritable.class);
    job2.setOutputKeyClass(IntWritable.class);
    job2.setOutputValueClass(IntWritable.class);

    job2.setNumReduceTasks(30);

    FileInputFormat.addInputPath(job2, new Path(args[2]));
    FileOutputFormat.setOutputPath(job2, new Path(args[3]));

    job2.waitForCompletion(true);
}

---

From source file:ComputeCooccurrenceMatrixStripes.java

License:Apache License

/**
 * Runs this tool.//www  .jav a2 s. c  o 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("window size").create(WINDOW));
    options.addOption(OptionBuilder.withArgName("num").hasArg().withDescription("number of reducers")
            .create(NUM_REDUCERS));

    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)) {
        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 inputPath = cmdline.getOptionValue(INPUT);
    String outputPath = cmdline.getOptionValue(OUTPUT);
    int reduceTasks = cmdline.hasOption(NUM_REDUCERS) ? Integer.parseInt(cmdline.getOptionValue(NUM_REDUCERS))
            : 1;
    int window = cmdline.hasOption(WINDOW) ? Integer.parseInt(cmdline.getOptionValue(WINDOW)) : 2;

    LOG.info("Tool: " + ComputeCooccurrenceMatrixStripes.class.getSimpleName());
    LOG.info(" - input path: " + inputPath);
    LOG.info(" - output path: " + outputPath);
    LOG.info(" - window: " + window);
    LOG.info(" - number of reducers: " + reduceTasks);

    Job job = Job.getInstance(getConf());
    job.setJobName(ComputeCooccurrenceMatrixStripes.class.getSimpleName());
    job.setJarByClass(ComputeCooccurrenceMatrixStripes.class);

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

    job.getConfiguration().setInt("window", window);

    job.setNumReduceTasks(reduceTasks);

    FileInputFormat.setInputPaths(job, new Path(inputPath));
    FileOutputFormat.setOutputPath(job, new Path(outputPath));

    job.setMapOutputKeyClass(Text.class);
    job.setOutputValueClass(String2IntOpenHashMapWritable.class);
    job.setOutputKeyClass(Text.class);
    job.setOutputValueClass(String2IntOpenHashMapWritable.class);

    job.setMapperClass(MyMapper.class);
    job.setCombinerClass(MyReducer.class);
    job.setReducerClass(MyReducer.class);

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

    return 0;
}

---

From source file:AllLab_Skeleton.Lab6.BloomFilterUsingDistributedCache.java

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

    Configuration conf = new Configuration();

    Job job = Job.getInstance(conf, "Bloom Filter");
    job.setJarByClass(BloomFilterUsingDistributedCache.class);
    job.setMapperClass(BloomFilterMapper.class);
    job.setMapOutputKeyClass(Text.class);
    job.setMapOutputValueClass(NullWritable.class);

    //adding the file in the cache having the Person class records
    //job.addCacheFile(new Path("localhost:9000/bhavesh/LabAssignment/CacheInput/cache.txt").toUri());
    DistributedCache.addCacheFile(new URI(args[2]), job.getConfiguration());
    job.setNumReduceTasks(0);/*  ww w .ja v  a2s .c  o m*/

    FileInputFormat.addInputPath(job, new Path(args[0]));
    FileOutputFormat.setOutputPath(job, new Path(args[1]));

    job.waitForCompletion(true);

}

---

From source file:AllLab_Skeleton.Lab6.ReduceSideJoin.java

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

    Configuration conf = new Configuration();

    Job job = Job.getInstance(conf, "ReduceSideJoin");
    job.setJarByClass(ReduceSideJoin.class);

    // Use MultipleInputs to set which input uses what mapper
    // This will keep parsing of each data set separate from a logical
    // standpoint
    // The first two elements of the args array are the two inputs
    MultipleInputs.addInputPath(job, new Path(args[0]), TextInputFormat.class, UserJoinMapper.class);
    MultipleInputs.addInputPath(job, new Path(args[1]), TextInputFormat.class, CommentJoinMapper.class);
    job.getConfiguration().set("join.type", "leftouter");
    //job.setNumReduceTasks(0);
    job.setReducerClass(UserJoinReducer.class);

    job.setOutputFormatClass(TextOutputFormat.class);
    TextOutputFormat.setOutputPath(job, new Path(args[2]));

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

    job.waitForCompletion(true);//from  w  ww.j  a va 2s. c  om
}

---

From source file:be.uantwerpen.adrem.bigfim.BigFIMDriver.java

License:Apache License

private boolean runAprioriOncPhaseOnce(FIMOptions opt, long nrLines, int i, String info, String outputDir,
        String cacheFile) throws IOException, URISyntaxException, ClassNotFoundException, InterruptedException {
    int prefixSize = opt.prefixLength;

    System.out//from   w  ww .  j  a  v  a  2  s  . c o m
            .println("[AprioriPhase]: Phase: " + i + " input: " + opt.inputFile + ", output: " + opt.outputDir);

    Job job = prepareJob(new Path(opt.inputFile), new Path(outputDir), SplitByKTextInputFormat.class,
            AprioriPhaseMapper.class, Text.class, Text.class, AprioriPhaseReducer.class, Text.class,
            IntWritable.class, TextOutputFormat.class);

    job.setJobName(info);
    job.setJarByClass(BigFIMDriver.class);

    job.setNumReduceTasks(1);

    Configuration conf = job.getConfiguration();
    setConfigurationValues(conf, opt);
    if (nrLines != -1) {
        conf.setLong(NUMBER_OF_LINES_KEY, nrLines);
    }

    if (cacheFile != null) {
        addCacheFile(new URI(cacheFile.replace(" ", "%20")), conf);
    }

    runJob(job, info);

    if (prefixSize <= i
            && job.getCounters().findCounter(COUNTER_GROUPNAME, COUNTER_NRLARGEPREFIXGROUPS).getValue() == 0) {
        return false;
    }
    if (prefixSize < i) {
        System.out.println(
                "[AprioriPhase]: Prefix group length updated! Now " + (i) + " instead of " + prefixSize);
    }
    return true;
}

---

• «
• 1
• 2
• 3
• 4
• 5
• 6
• 7
• 8
• 9
• 10
• 11
• 12
• 13
• 14
• 15
• 16
• 17
• 18
• 19
• 20
• 21
• 22
• 23
• 24
• 25
• 26
• 27
• 28
• 29
• 30
• 31
• 32
• 33
• 34
• 35
• 36
• 37
• 38
• 39
• 40
• 41
• 42
• 43
• 44
• 45
• 46
• 47
• 48
• 49
• 50
• »