Hi Martin, Neither Tool nor ToolRunner is deprecated in 0.21.0. I don't think they have ever been deprecated. You should be able to use them without problems.
Tom On Wed, Sep 22, 2010 at 6:52 AM, Martin Becker <[email protected]> wrote: > Hello, > I am trying to move to Hadoop MapReduce 0.21.0. > The corresponding tutorial still uses Tool and ToolRunner. > Yet both are deprecated. What would be the correct way to implement, > configure and submit a Job now? I was thinking in terms of: > Configuration configuration = new Configuration(); Cluster > cluster = new Cluster(configuration); Job job = > Job.getInstance(cluster); > job.setJarByClass(WordCount.class); job.setMapperClass(Map.class); > job.setCombinerClass(Reduce.class); > job.setReducerClass(Reduce.class); job.setOutputKeyClass(Text.class); > job.setOutputValueClass(IntWritable.class); > FileInputFormat.addInputPath(job, new Path(INPUT)); > FileOutputFormat.setOutputPath(job, new Path(OUTPUT)); > System.exit(job.waitForCompletion(true) ? 0 : 1); Thanks in advance, > Martin >
