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

List of usage examples for org.apache.hadoop.mapreduce Job setOutputValueClass

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Introduction

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

Prototype

public void setOutputValueClass(Class<?> theClass) throws IllegalStateException

Source Link

Document

Set the value class for job outputs.

Usage

From source file:com.asakusafw.thundergate.runtime.cache.mapreduce.CacheBuildClient.java

License:Apache License

private void updateTable() throws IOException, InterruptedException {
    Job job = newJob();
    List<StageInput> inputList = new ArrayList<>();
    inputList.add(new StageInput(storage.getHeadContents("*").toString(), TemporaryInputFormat.class,
            TableJoinBaseMapper.class));
    inputList.add(new StageInput(storage.getPatchContents("*").toString(), TemporaryInputFormat.class,
            TableJoinPatchMapper.class));
    StageInputDriver.set(job, inputList);
    StageResourceDriver.add(job, storage.getPatchContents("*").toString(), TableJoinBaseMapper.RESOURCE_KEY);
    job.setInputFormatClass(StageInputFormat.class);
    job.setMapperClass(StageInputMapper.class);
    job.setMapOutputKeyClass(NullWritable.class);
    job.setMapOutputValueClass(modelClass);
    job.setOutputKeyClass(NullWritable.class);
    job.setOutputValueClass(modelClass);

    TemporaryOutputFormat.setOutputPath(job, getNextDirectory());
    job.setOutputFormatClass(TemporaryOutputFormat.class);
    job.getConfiguration().setClass("mapred.output.committer.class", LegacyBridgeOutputCommitter.class,
            org.apache.hadoop.mapred.OutputCommitter.class);

    job.setNumReduceTasks(0);//  w  w w.  j a  v a 2 s .  c o  m

    LOG.info(MessageFormat.format("applying patch (table join): {0} / {1} -> {2}",
            storage.getPatchContents("*"), storage.getHeadContents("*"), getNextContents()));
    try {
        boolean succeed = job.waitForCompletion(true);
        LOG.info(MessageFormat.format("applied patch (table join): succeed={0}, {1} / {2} -> {3}", succeed,
                storage.getPatchContents("*"), storage.getHeadContents("*"), getNextContents()));
        if (succeed == false) {
            throw new IOException(MessageFormat.format("failed to apply patch (table join): {0} / {1} -> {2}",
                    storage.getPatchContents("*"), storage.getHeadContents("*"), getNextContents()));
        }
    } catch (ClassNotFoundException e) {
        throw new IOException(e);
    }
    putMeta();
}

From source file:com.asakusafw.thundergate.runtime.cache.mapreduce.CacheBuildClient.java

License:Apache License

private void create() throws InterruptedException, IOException {
    Job job = newJob();
    List<StageInput> inputList = new ArrayList<>();
    inputList.add(new StageInput(storage.getPatchContents("*").toString(), TemporaryInputFormat.class,
            CreateCacheMapper.class));
    StageInputDriver.set(job, inputList);
    job.setInputFormatClass(StageInputFormat.class);
    job.setMapperClass(StageInputMapper.class);
    job.setMapOutputKeyClass(NullWritable.class);
    job.setMapOutputValueClass(modelClass);
    job.setOutputKeyClass(NullWritable.class);
    job.setOutputValueClass(modelClass);

    TemporaryOutputFormat.setOutputPath(job, getNextDirectory());
    job.setOutputFormatClass(TemporaryOutputFormat.class);
    job.getConfiguration().setClass("mapred.output.committer.class", LegacyBridgeOutputCommitter.class,
            org.apache.hadoop.mapred.OutputCommitter.class);

    job.setNumReduceTasks(0);//  w  ww  .  jav a2s.  co  m

    LOG.info(MessageFormat.format("applying patch (no join): {0} / (empty) -> {2}",
            storage.getPatchContents("*"), storage.getHeadContents("*"), getNextContents()));
    try {
        boolean succeed = job.waitForCompletion(true);
        LOG.info(MessageFormat.format("applied patch (no join): succeed={0}, {1} / (empty) -> {3}", succeed,
                storage.getPatchContents("*"), storage.getHeadContents("*"), getNextContents()));
        if (succeed == false) {
            throw new IOException(MessageFormat.format("failed to apply patch (no join): {0} / (empty) -> {2}",
                    storage.getPatchContents("*"), storage.getHeadContents("*"), getNextContents()));
        }
    } catch (ClassNotFoundException e) {
        throw new IOException(e);
    }
    putMeta();
}

From source file:com.avira.couchdoop.demo.ExportDriver.java

License:Apache License

@Override
public int run(String[] args) throws Exception {
    if (args.length != 1) {
        System.err.println("Usage: <input_path>");
        return 1;
    }//from   w ww. j ava 2 s .c om
    String input = args[0];

    Job job = Job.getInstance(getConf());
    job.setJarByClass(ExportDriver.class);

    // User classpath takes precedence in favor of Hadoop classpath.
    // This is because the Couchbase client requires a newer version of
    // org.apache.httpcomponents:httpcore.
    //        job.setUserClassesTakesPrecedence(true);

    // Input
    FileInputFormat.setInputPaths(job, input);

    // Mapper
    job.setMapperClass(ExportMapper.class);

    // Reducer
    job.setNumReduceTasks(0);

    // Output
    job.setOutputKeyClass(String.class);
    job.setOutputValueClass(CouchbaseAction.class);
    job.setOutputFormatClass(CouchbaseOutputFormat.class);

    if (!job.waitForCompletion(true)) {
        return 2;
    }

    return 0;
}

From source file:com.avira.couchdoop.demo.ImportDriver.java

License:Apache License

@Override
public int run(String[] args) throws Exception {
    if (args.length != 1) {
        System.err.println("Usage: <output_path>");
        return 1;
    }/*from w  ww .jav a 2s  .  c  o m*/
    String output = args[0];

    Job job = Job.getInstance(getConf());
    job.setJarByClass(this.getClass());

    // User classpath takes precedence in favor of Hadoop classpath.
    // This is because the Couchbase client requires a newer version of
    // org.apache.httpcomponents:httpcore.
    job.setUserClassesTakesPrecedence(true);

    // Input
    job.setInputFormatClass(CouchbaseViewInputFormat.class);

    // Mapper
    job.setMapperClass(ImportMapper.class);

    // Reducer
    job.setNumReduceTasks(0);

    // Output
    job.setOutputKeyClass(Text.class);
    job.setOutputValueClass(Text.class);
    FileOutputFormat.setOutputPath(job, new Path(output));

    if (!job.waitForCompletion(true)) {
        return 2;
    }

    return 0;
}

From source file:com.avira.couchdoop.exp.CouchbaseOutputFormat.java

License:Apache License

public static void initJob(Job job, String urls, String bucket, String password) {
    job.setOutputFormatClass(CouchbaseOutputFormat.class);
    job.setOutputKeyClass(String.class);
    job.setOutputValueClass(CouchbaseAction.class);

    Configuration conf = job.getConfiguration();
    conf.set(CouchbaseArgs.ARG_COUCHBASE_URLS.getPropertyName(), urls);
    conf.set(CouchbaseArgs.ARG_COUCHBASE_BUCKET.getPropertyName(), bucket);
    conf.set(CouchbaseArgs.ARG_COUCHBASE_PASSWORD.getPropertyName(), password);
}

From source file:com.avira.couchdoop.jobs.CouchbaseExporter.java

License:Apache License

public Job configureJob(Configuration conf, String input) throws IOException {
    conf.setInt("mapreduce.map.failures.maxpercent", 5);
    conf.setInt("mapred.max.map.failures.percent", 5);
    conf.setInt("mapred.max.tracker.failures", 20);

    Job job = Job.getInstance(conf);
    job.setJarByClass(CouchbaseExporter.class);

    // Input/*from   w ww  .ja v  a  2 s. co  m*/
    FileInputFormat.setInputPaths(job, input);

    // Mapper
    job.setMapperClass(CsvToCouchbaseMapper.class);
    job.setMapOutputKeyClass(String.class);
    job.setMapOutputValueClass(CouchbaseAction.class);

    // Reducer
    job.setNumReduceTasks(0);

    // Output
    job.setOutputFormatClass(CouchbaseOutputFormat.class);
    job.setOutputKeyClass(String.class);
    job.setOutputValueClass(CouchbaseAction.class);

    return job;
}

From source file:com.avira.couchdoop.jobs.CouchbaseViewImporter.java

License:Apache License

public Job configureJob(Configuration conf, String output) throws IOException {
    conf.setInt("mapreduce.map.failures.maxpercent", 5);
    conf.setInt("mapred.max.map.failures.percent", 5);
    conf.setInt("mapred.max.tracker.failures", 20);

    Job job = Job.getInstance(conf);
    job.setJarByClass(CouchbaseViewImporter.class);

    // Input//  www.j  av a  2 s.  c  o  m
    job.setInputFormatClass(CouchbaseViewInputFormat.class);

    // Mapper
    job.setMapperClass(CouchbaseViewToFileMapper.class);
    job.setMapOutputKeyClass(Text.class);
    job.setMapOutputValueClass(Text.class);

    // Reducer
    job.setNumReduceTasks(0);

    // Output
    job.setOutputKeyClass(Text.class);
    job.setOutputValueClass(Text.class);
    FileOutputFormat.setOutputPath(job, new Path(output));

    return job;
}

From source file:com.awcoleman.BouncyCastleGenericCDRHadoop.BasicDriverMapReduce.java

License:Apache License

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

    if (args.length < 2) {
        System.out.println("Missing input and output filenames. Exiting.");
        System.exit(1);// w  w  w.j  a  va 2 s . c om
    }

    Job job = new Job(super.getConf());
    job.setJarByClass(BasicDriverMapReduce.class);
    job.setJobName("BasicDriver1");
    job.setMapperClass(BasicMapper.class);
    job.setReducerClass(BasicReducer.class);
    job.setOutputKeyClass(Text.class);
    job.setOutputValueClass(LongWritable.class);
    job.setInputFormatClass(RawFileAsBinaryInputFormat.class);
    FileInputFormat.addInputPath(job, new Path(args[0]));
    FileOutputFormat.setOutputPath(job, new Path(args[1]));

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

From source file:com.awcoleman.BouncyCastleGenericCDRHadoopWithWritable.BasicDriverMapReduce.java

License:Apache License

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

    if (args.length < 2) {
        System.out.println("Missing input and output filenames. Exiting.");
        System.exit(1);//from w  ww. j ava 2 s . c o m
    }

    @SuppressWarnings("deprecation")
    Job job = new Job(super.getConf());
    job.setJarByClass(BasicDriverMapReduce.class);
    job.setJobName("BasicDriverMapReduce");
    job.setMapperClass(BasicMapper.class);
    job.setReducerClass(BasicReducer.class);
    job.setMapOutputKeyClass(Text.class);
    job.setMapOutputValueClass(CallDetailRecord.class);
    job.setOutputKeyClass(Text.class);
    job.setOutputValueClass(LongWritable.class);
    job.setInputFormatClass(RawFileAsBinaryInputFormat.class);
    FileInputFormat.addInputPath(job, new Path(args[0]));
    FileOutputFormat.setOutputPath(job, new Path(args[1]));

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

From source file:com.bah.applefox.main.plugins.fulltextindex.FTLoader.java

License:Apache License

/**
 * run takes the comandline args as arguments (in this case from a
 * configuration file), creates a new job, configures it, initiates it,
 * waits for completion, and returns 0 if it is successful (1 if it is not)
 * /*from   w w  w . j a  v  a2  s  .  c  o  m*/
 * @param args
 *            the commandline arguments (in this case from a configuration
 *            file)
 * 
 * @return 0 if the job ran successfully and 1 if it isn't
 */
public int run(String[] args) throws Exception {
    try {
        // Initialize variables
        FTLoader.articleFile = args[8];
        FTLoader.maxNGrams = Integer.parseInt(args[9]);
        FTLoader.stopWords = getStopWords();
        FTLoader.dTable = args[10];
        FTLoader.urlCheckedTable = args[11];
        FTLoader.divsFile = args[20];
        FTLoader.exDivs = getExDivs();

        // Give the job a name
        String jobName = this.getClass().getSimpleName() + "_" + System.currentTimeMillis();

        // Create job and set the jar
        Job job = new Job(getConf(), jobName);
        job.setJarByClass(this.getClass());

        String urlTable = args[5];

        job.setInputFormatClass(AccumuloInputFormat.class);
        InputFormatBase.setZooKeeperInstance(job.getConfiguration(), args[0], args[1]);
        InputFormatBase.setInputInfo(job.getConfiguration(), args[2], args[3].getBytes(), urlTable,
                new Authorizations());

        job.setMapperClass(MapperClass.class);
        job.setMapOutputKeyClass(Key.class);
        job.setMapOutputValueClass(Value.class);

        job.setReducerClass(ReducerClass.class);
        job.setNumReduceTasks(Integer.parseInt(args[4]));

        job.setOutputFormatClass(AccumuloOutputFormat.class);
        job.setOutputKeyClass(Key.class);
        job.setOutputValueClass(Value.class);

        AccumuloOutputFormat.setZooKeeperInstance(job.getConfiguration(), args[0], args[1]);
        AccumuloOutputFormat.setOutputInfo(job.getConfiguration(), args[2], args[3].getBytes(), true, urlTable);

        job.waitForCompletion(true);

        return job.isSuccessful() ? 0 : 1;
    } catch (IOException e) {
        if (e.getMessage() != null) {
            log.error(e.getMessage());
        } else {
            log.error(e.getStackTrace());
        }
    } catch (InterruptedException e) {
        if (e.getMessage() != null) {
            log.error(e.getMessage());
        } else {
            log.error(e.getStackTrace());
        }
    } catch (ClassNotFoundException e) {
        if (e.getMessage() != null) {
            log.error(e.getMessage());
        } else {
            log.error(e.getStackTrace());
        }
    }
    return 1;
}