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

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

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Introduction

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

Prototype

public void setJarByClass(Class<?> cls)

Source Link

Document

Set the Jar by finding where a given class came from.

Usage

From source file:com.howbuy.hadoop.mr.online.SecondarySort.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: secondarysrot <in> <out>");
        System.exit(2);//from w  w w.  j ava  2  s  . c o  m
    }
    Job job = new Job(conf, "secondary sort");
    job.setJarByClass(SecondarySort.class);
    job.setMapperClass(MapClass.class);
    job.setReducerClass(Reduce.class);

    // group and partition by the first int in the pair
    job.setPartitionerClass(FirstPartitioner.class);
    job.setGroupingComparatorClass(FirstGroupingComparator.class);

    // the map output is IntPair, IntWritable
    job.setMapOutputKeyClass(IntPair.class);
    job.setMapOutputValueClass(IntWritable.class);

    // the reduce output is Text, IntWritable
    job.setOutputKeyClass(Text.class);
    job.setOutputValueClass(IntWritable.class);

    job.setInputFormatClass(TextInputFormat.class);
    // job.setOutputFormatClass(SequenceFileOutputFormat.class);

    job.setNumReduceTasks(3);

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

From source file:com.huihui.mr.WordCount.java

License:Apache License

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

    /*HadoopJava.util.Properties??Apache Jakarta Commons Configuration??
     * ????API?org.apache.hadoop.conf.Configuration???
     */// w  ww  .j a va2s. c  o m
    Configuration conf = new Configuration();
    /*
     * ?HadoopGenericOptionsParser
    ???
    -D mapreduce.job.queuename  ??getRemainingArgs()?
    ?"xrli/STJoin_in","xrli/STJoin_out"?otherArgs
            
    ? fs jt libjars files archives D tokenCacheFile
     */
    String[] otherArgs = new GenericOptionsParser(conf, args).getRemainingArgs();
    if (otherArgs.length != 2) {
        System.err.println("Usage: wordcount <in> <out>");
        System.exit(2);
    }
    conf.set("fs.defaultFS", "hdfs://localhost:9000");
    //
    Job job = new Job(conf, "word count");
    job.setJarByClass(WordCount.class);

    //??? 
    job.setMapperClass(TokenizerMapper.class);
    job.setCombinerClass(IntSumReducer.class);
    job.setReducerClass(IntSumReducer.class);
    job.setOutputKeyClass(Text.class);
    job.setOutputValueClass(IntWritable.class);
    //Path    ???URI?Path???Path
    String input = "hdfs://localhost:9000/input/";
    String output = "hdfs://localhost:9000/user/hdfs/log_kpi/browser1";
    FileInputFormat.addInputPath(job, new Path(input));
    FileOutputFormat.setOutputPath(job, new Path(output));
    //????
    System.exit(job.waitForCompletion(true) ? 0 : 1);
}

From source file:com.hzy.test.WordCount.java

License:Apache License

public static void main(String[] args) throws Exception {
    //        String input = "hdfs://192.168.1.118:9000/user/hdfs/log_kpi/";
    //        String output = "hdfs://192.168.1.118:9000/user/hdfs/log_kpi/wc/";
    String input = "/tmp/data.txt";
    // String input = args[0];
    String output = "/tmp/t1";

    // String output = args[1];

    Configuration conf = HdfsDAO.config();

    //        conf.set("mapreduce.framework.name", "yarn");
    ////        conf.set("hbase.zookeeper.quorum", "hadoop01:2181");
    //        conf.set("fs.default.name", "hdfs://hadoop01:9000");
    //        conf.set("yarn.resourcemanager.resource-tracker.address", "hadoop01:8031");
    //        conf.set("yarn.resourcemanager.address", "hadoop01:8032");
    //        conf.set("yarn.resourcemanager.scheduler.address", "hadoop01:8030");
    //        conf.set("yarn.resourcemanager.admin.address", "hadoop01:8033");
    //        conf.set("mapreduce.jobhistory.address", "hadoop01:10020");
    //        conf.set("mapreduce.jobhistory.webapp.address", "hadoop01:19888");

    //        String[] otherArgs = new GenericOptionsParser(conf, args).getRemainingArgs();
    //        if (otherArgs.length < 2) {
    //            System.err.println("Usage: wordcount <in> [<in>...] <out>");
    //            System.exit(2);
    //        }/*from   ww w  . ja  v a  2s .  co  m*/
    Job job = Job.getInstance(conf, "word count");
    job.setJarByClass(WordCount.class);
    job.setMapperClass(TokenizerMapper.class);
    job.setCombinerClass(IntSumReducer.class);
    job.setReducerClass(IntSumReducer.class);
    job.setOutputKeyClass(Text.class);
    job.setOutputValueClass(IntWritable.class);
    //        for (int i = 0; i < otherArgs.length - 1; ++i) {
    FileInputFormat.addInputPath(job, new Path(input));
    //        }
    FileOutputFormat.setOutputPath(job, new Path(output));

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

From source file:com.ibm.jaql.lang.expr.hadoop.NativeMapReduceExpr.java

License:Apache License

private JsonRecord eval_1_0(Configuration conf) throws Exception {

    boolean status = true;

    Job job = null;
    // set the jar if needed
    if (useSessionJarDefault.get()) {
        File jFile = ClassLoaderMgr.getExtensionJar();
        conf.set("mapred.jar", jFile.getAbsolutePath());
        job = new Job(conf);
    } else {/*from  w ww  .  j  av a 2s . co m*/
        job = new Job(conf);
        job.setJarByClass(NativeMapReduceExpr.class);
    }

    try {
        job.waitForCompletion(true);
    } catch (Exception e) {
        status = false;
        e.printStackTrace();
        LOG.warn("native map-reduce job failed", e);
    }
    // setup the return value
    BufferedJsonRecord ret = new BufferedJsonRecord();
    ret.add(STATUS, (status) ? JsonBool.TRUE : JsonBool.FALSE);

    return ret;
}

From source file:com.ifeng.hadoop.thinker.LogDriver.java

License:Apache License

@Override
public int run(String[] args) throws Exception {
    if (args.length != 2) {
        System.err.printf("Usage: %s [generic options] <input> <output>\n", getClass().getSimpleName());
        ToolRunner.printGenericCommandUsage(System.err);
        return -1;
    }//w  w w.j  a v  a  2s  . c o m

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

    FileUtil.fullyDelete(new File(args[1]));

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

    job.setMapperClass(LogMapper.class);
    job.setReducerClass(LogReducer.class);
    job.setCombinerClass(LogReducer.class);

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

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

From source file:com.ifeng.hadoop.thinker.LogLocalDriver.java

License:Apache License

@Override
public int run(String[] args) throws Exception {
    if (args.length != 2) {
        System.err.printf("Usage: %s [generic options] <input> <output>\n", getClass().getSimpleName());
        ToolRunner.printGenericCommandUsage(System.err);
        return -1;
    }//from   www  . j  av  a  2  s  .co  m

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

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

    job.setMapperClass(LogMapper.class);
    job.setReducerClass(LogReducer.class);
    job.setCombinerClass(LogReducer.class);

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

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

From source file:com.ifeng.ipserver.IPServerLogParseDriver.java

License:Apache License

@Override
public int run(String[] args) throws Exception {
    Job job = Job.getInstance(super.getConf());
    job.setJarByClass(getClass());

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

    job.setMapperClass(IPServerLogParseMapper.class);
    job.setReducerClass(IPServerLogParseReducer.class);

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

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

From source file:com.ifeng.vdn.iparea.parser.IPAreaDriver.java

License:Apache License

@Override
public int run(String[] args) throws Exception {
    Job job = Job.getInstance(getConf());

    job.setJarByClass(getClass());

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

    job.setMapperClass(IPAreaMapper.class);
    job.setReducerClass(IPAreaReducer.class);

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

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

From source file:com.ifeng.vdn.iparea.parser.IPAreaLocalDriver.java

License:Apache License

@Override
public int run(String[] args) throws Exception {
    Job job = Job.getInstance(getConf());

    job.setJarByClass(getClass());

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

    job.setMapperClass(IPAreaMapper.class);
    job.setReducerClass(IPAreaReducer.class);

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

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

}

From source file:com.ifeng.vdn.logparser.mapper.VideoLogDriver.java

License:Apache License

@Override
public int run(String[] paths) throws Exception {
    Job job = Job.getInstance(super.getConf());
    job.setJarByClass(getClass());

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

    job.setMapperClass(VideoLogMapper.class);
    job.setReducerClass(VideoLogReducer.class);
    job.setCombinerClass(VideoLogReducer.class);

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

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