private static void configureAvroOutput(JobConf job) { if (job.get("mapred.output.format.class") == null) job.setOutputFormat(AvroOutputFormat.class); if (job.getReducerClass() == IdentityReducer.class) job.setReducerClass(HadoopReducer.class); job.setOutputKeyClass(AvroWrapper.class); configureAvroShuffle(job); }
if (reduce) reducer = ReflectionUtils.newInstance(jobConf.getReducerClass(), jobConf); else reducer = ReflectionUtils.newInstance(jobConf.getCombinerClass(),
public static boolean hasReducer( JobConf jobConf ) { return jobConf.getReducerClass() != null; } }
public static boolean hasReducer( JobConf jobConf ) { return jobConf.getReducerClass() != null; } }
private static void configureAvroOutput(JobConf job) { if (job.get("mapred.output.format.class") == null) job.setOutputFormat(AvroOutputFormat.class); if (job.getReducerClass() == IdentityReducer.class) job.setReducerClass(HadoopReducer.class); job.setOutputKeyClass(AvroWrapper.class); configureAvroShuffle(job); }
ReflectionUtils.newInstance(job.getReducerClass(), job);
Class<INVALUE> valueClass) throws IOException { Reducer<INKEY,INVALUE,OUTKEY,OUTVALUE> reducer = ReflectionUtils.newInstance(job.getReducerClass(), job);
Class<INVALUE> valueClass) throws IOException { Reducer<INKEY,INVALUE,OUTKEY,OUTVALUE> reducer = ReflectionUtils.newInstance(job.getReducerClass(), job);
Class<INVALUE> valueClass) throws IOException { Reducer<INKEY,INVALUE,OUTKEY,OUTVALUE> reducer = ReflectionUtils.newInstance(job.getReducerClass(), job);
Class<INVALUE> valueClass) throws IOException { Reducer<INKEY,INVALUE,OUTKEY,OUTVALUE> reducer = ReflectionUtils.newInstance(job.getReducerClass(), job);
Reducer reducer = ReflectionUtils.newInstance(job.getReducerClass(), job); try { Class keyClass = job.getMapOutputKeyClass();
Class<INVALUE> valueClass) throws IOException { Reducer<INKEY,INVALUE,OUTKEY,OUTVALUE> reducer = ReflectionUtils.newInstance(job.getReducerClass(), job);
Class<INVALUE> valueClass) throws IOException { Reducer<INKEY,INVALUE,OUTKEY,OUTVALUE> reducer = ReflectionUtils.newInstance(job.getReducerClass(), job);