@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; } JobConf conf = new JobConf(getConf(), getClass()); conf.setJobName("Max temperature"); FileInputFormat.addInputPath(conf, new Path(args[0])); FileOutputFormat.setOutputPath(conf, new Path(args[1])); conf.setOutputKeyClass(Text.class); conf.setOutputValueClass(IntWritable.class); conf.setMapperClass(MaxTemperatureMapper.class); conf.setCombinerClass(MaxTemperatureReducer.class); conf.setReducerClass(MaxTemperatureReducer.class); // vv MaxTemperatureDriverV6 conf.setProfileEnabled(true); conf.setProfileParams( "-agentlib:hprof=cpu=samples,heap=sites,depth=6," + "force=n,thread=y,verbose=n,file=%s"); conf.setProfileTaskRange(true, "0-2"); // ^^ MaxTemperatureDriverV6 JobClient.runJob(conf); return 0; }
// Main function public static void main(String[] args) throws Exception { // TODO Auto-generated method stub JobConf conf = new JobConf(ProcessUnits.class); conf.setJobName("max_eletricityunits"); conf.setOutputKeyClass(Text.class); conf.setOutputValueClass(IntWritable.class); conf.setMapperClass(EE_Mapper.class); conf.setCombinerClass(EE_Reducer.class); conf.setReducerClass(EE_Reducer.class); conf.setInputFormat(TextInputFormat.class); conf.setOutputFormat(TextOutputFormat.class); FileInputFormat.setInputPaths(conf, new Path(args[0])); FileOutputFormat.setOutputPath(conf, new Path(args[1])); JobClient.runJob(conf); }
public static void main(String[] args) throws Exception { JobConf conf = new JobConf(WordCount.class); conf.setJobName("wordcount"); conf.setOutputKeyClass(Text.class); conf.setOutputValueClass(IntWritable.class); conf.setMapperClass(Map.class); conf.setCombinerClass(Reduce.class); conf.setReducerClass(Reduce.class); conf.setInputFormat(TextInputFormat.class); conf.setOutputFormat(TextOutputFormat.class); FileInputFormat.setInputPaths(conf, new Path(args[0])); FileOutputFormat.setOutputPath(conf, new Path(args[1])); JobClient.runJob(conf); }
public static void main(String args[]) throws IOException { JobConf job = new JobConf(WordCountJob.class); job.setJobName("Word Count Example"); FileInputFormat.setInputPaths(job, args[0]); job.setInputFormat(TextInputFormat.class); job.setMapperClass(MapTask.class); job.setCombinerClass(ReduceTask.class); job.setReducerClass(ReduceTask.class); job.setOutputKeyClass(Text.class); job.setOutputValueClass(IntWritable.class); job.setOutputFormat(TextOutputFormat.class); FileOutputFormat.setOutputPath(job, new Path(args[1])); JobClient.runJob(job); }