Java Code Examples for org.apache.hadoop.mapreduce.lib.input.SequenceFileInputFormat#addInputPath()

The following examples show how to use org.apache.hadoop.mapreduce.lib.input.SequenceFileInputFormat#addInputPath() . You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example. You may check out the related API usage on the sidebar.

Example 1

Source File: JoinSelectStatsUtil.java From rya with Apache License 2.0

6 votes

public static void initSumMRJob(Job job, String inputPath, String outtable, String auths) throws AccumuloSecurityException, IOException {
  Configuration conf = job.getConfiguration();
  String username = conf.get(USERNAME);
  String password = conf.get(PASSWORD);
  String instance = conf.get(INSTANCE);
  String zookeepers = conf.get(ZOOKEEPERS);

  if (zookeepers != null) {
    AccumuloOutputFormat.setConnectorInfo(job, username, new PasswordToken(password));
    AccumuloOutputFormat.setZooKeeperInstance(job, instance, zookeepers);
  } else {
    throw new IllegalArgumentException("Must specify zookeepers");
  }

  SequenceFileInputFormat.addInputPath(job, new Path(inputPath));
  job.setInputFormatClass(SequenceFileInputFormat.class);
  job.setMapOutputKeyClass(TripleEntry.class);
  job.setMapOutputValueClass(CardList.class);

  AccumuloOutputFormat.setDefaultTableName(job, outtable);
  job.setOutputFormatClass(AccumuloOutputFormat.class);
  job.setOutputKeyClass(Text.class);
  job.setOutputValueClass(Mutation.class);

}

Example 2

Source File: Step5.java From recsys-offline with Apache License 2.0

6 votes

public static void main(String[] args) throws IOException, ClassNotFoundException, InterruptedException {  
    // TODO Auto-generated method stub  
    Configuration conf1 = new Configuration();  

    Job job1 = new Job(conf1, "wiki  job five");  
    job1.setNumReduceTasks(1);  
    job1.setJarByClass(Step5.class);  
    job1.setInputFormatClass(SequenceFileInputFormat.class);  
    job1.setMapperClass(WikiMapper5.class);  
    job1.setMapOutputKeyClass(VarLongWritable.class);  
    job1.setMapOutputValueClass(VectorWritable.class);  
      
    job1.setCombinerClass(WiKiCombiner5.class);  
    job1.setReducerClass(WiKiReducer5.class);  
    job1.setOutputKeyClass(VarLongWritable.class);  
    job1.setOutputValueClass(RecommendedItemsWritable.class);  
//   job1.setOutputFormatClass(SequenceFileOutputFormat.class);  
    SequenceFileInputFormat.addInputPath(job1, new Path(INPUT_PATH));  
  
    FileOutputFormat.setOutputPath(job1, new Path(OUTPUT_PATH));     
    if(!job1.waitForCompletion(true)){  
        System.exit(1); // run error then exit  
    }  
}

Example 3

Source File: Step31.java From recsys-offline with Apache License 2.0

6 votes

public static void main(String[] args) throws IOException, ClassNotFoundException, InterruptedException {  
    Configuration conf1 = new Configuration();  

    Job job1 = new Job(conf1, "wiki  job three1");  
    job1.setOutputFormatClass(SequenceFileOutputFormat.class);  
    job1.setInputFormatClass(SequenceFileInputFormat.class);  
    job1.setNumReduceTasks(1);  
    job1.setJarByClass(Step31.class);  
    job1.setMapperClass(WikiMapper31.class);  
    job1.setMapOutputKeyClass(IntWritable.class);  
    job1.setMapOutputValueClass(VectorOrPrefWritable.class);  
      
    // set a reducer only to use SequenceFileOutputFormat  
    job1.setReducerClass(WiKiReducer31.class);  
    job1.setOutputKeyClass(IntWritable.class);  
    job1.setOutputValueClass(VectorOrPrefWritable.class);  
      
    // this MR's input is the MR2's output  
    SequenceFileInputFormat.addInputPath(job1, new Path(INPUT_PATH));  
    SequenceFileOutputFormat.setOutputPath(job1, new Path(OUTPUT_PATH));     
    if(!job1.waitForCompletion(true)){  
        System.exit(1); // run error then exit  
    }  
}

Example 4

Source File: Step2.java From recsys-offline with Apache License 2.0

6 votes

public static void main(String[] args) throws IOException, ClassNotFoundException, InterruptedException {  

        Configuration conf1 = new Configuration();  

        Job job1 = new Job(conf1, "wiki  job two");  
        job1.setNumReduceTasks(1);  
        job1.setJarByClass(Step2.class);  
        job1.setInputFormatClass(SequenceFileInputFormat.class);  
        job1.setMapperClass(WikiMapper2.class);  
        job1.setMapOutputKeyClass(IntWritable.class);  
        job1.setMapOutputValueClass(IntWritable.class);  
        job1.setReducerClass(WiKiReducer2.class);  
        job1.setOutputKeyClass(IntWritable.class);  
        job1.setOutputValueClass(VectorWritable.class);  
        job1.setOutputFormatClass(SequenceFileOutputFormat.class);  
        SequenceFileInputFormat.addInputPath(job1, new Path(INPUT_PATH));  
        SequenceFileOutputFormat.setOutputPath(job1, new Path(OUTPUT_PATH));     
        if(!job1.waitForCompletion(true)){  
            System.exit(1); // run error then exit  
        }  
    }

Example 5

Source File: Step4.java From recsys-offline with Apache License 2.0

6 votes

public static void main(String[] args) throws IOException, ClassNotFoundException, InterruptedException {  
    // TODO Auto-generated method stub  
    Configuration conf1 = new Configuration();  
    String[] otherArgs = new GenericOptionsParser(conf1, args).getRemainingArgs();        
    Job job1 = new Job(conf1, "wiki  job four");  
    job1.setNumReduceTasks(1);  
    job1.setJarByClass(Step4.class);  
    job1.setInputFormatClass(SequenceFileInputFormat.class);  
    job1.setMapperClass(WikiMapper4.class);  
    job1.setMapOutputKeyClass(IntWritable.class);  
    job1.setMapOutputValueClass(VectorOrPrefWritable.class);      
    job1.setReducerClass(WiKiReducer4.class);  
    job1.setOutputKeyClass(IntWritable.class);  
   job1.setOutputValueClass(VectorAndPrefsWritable.class);  
    job1.setOutputFormatClass(SequenceFileOutputFormat.class);  
    SequenceFileInputFormat.addInputPath(job1, new Path(INPUT1_PATH));  
    SequenceFileInputFormat.addInputPath(job1, new Path(INPUT2_PATH));  
    SequenceFileOutputFormat.setOutputPath(job1, new Path(OUTPUT_PATH));     
    if(!job1.waitForCompletion(true)){  
        System.exit(1); // run error then exit  
    }  
}

Example 6

Source File: Step32.java From recsys-offline with Apache License 2.0

6 votes

public static void main(String[] args) throws IOException, ClassNotFoundException, InterruptedException {  
    // TODO Auto-generated method stub  
    Configuration conf1 = new Configuration();  

    Job job1 = new Job(conf1, "wiki  job one");  
    job1.setOutputFormatClass(SequenceFileOutputFormat.class);  
    job1.setInputFormatClass(SequenceFileInputFormat.class);  
    job1.setNumReduceTasks(1);  
    job1.setJarByClass(Step32.class);  
    job1.setMapperClass(WikiMapper32.class);  
    job1.setMapOutputKeyClass(IntWritable.class);  
    job1.setMapOutputValueClass(VectorOrPrefWritable.class);  
  
    job1.setReducerClass(WiKiReducer32.class);  
    job1.setOutputKeyClass(IntWritable.class);  
    job1.setOutputValueClass(VectorOrPrefWritable.class);  
      
    // the WiKiDriver's out put is this one's input  
    SequenceFileInputFormat.addInputPath(job1, new Path(INPUT_PATH));  
    SequenceFileOutputFormat.setOutputPath(job1, new Path(OUTPUT_PATH));     
    if(!job1.waitForCompletion(true)){  
        System.exit(1); // run error then exit  
    }  
}

Example 7

Source File: JoinSelectStatisticsTest.java From rya with Apache License 2.0

3 votes

public static void initSumMRJob(Job job, String inputPath, String outtable) throws AccumuloSecurityException, IOException {
  
    Configuration conf = job.getConfiguration();
    
    String username = conf.get(USERNAME);
    String password = conf.get(PASSWORD);
    String instance = conf.get(INSTANCE);
   
    

    AccumuloOutputFormat.setConnectorInfo(job, username, new PasswordToken(password));
    AccumuloOutputFormat.setMockInstance(job, instance);
    AccumuloOutputFormat.setDefaultTableName(job, outtable);

    
    SequenceFileInputFormat.addInputPath(job, new Path(tempDir.getAbsolutePath()));
    job.setInputFormatClass(SequenceFileInputFormat.class);
    job.setMapOutputKeyClass(TripleEntry.class);
    job.setMapOutputValueClass(CardList.class);

   
    job.setOutputFormatClass(AccumuloOutputFormat.class);
    job.setOutputKeyClass(Text.class);
    job.setOutputValueClass(Mutation.class);
     
  
}