Hadoop: Map Reduce job configuration

configuration. You can get the Job instance by calling

getInstance method.

Ex:

Job job = Job.getInstance(conf, "word count");

Once you got the Job instance, you can specify Mapper, combiner, Partitioner, Reducer, InputFormat, OutputFormat implementations by using setter methods of the Job instance.

For an example, go through the link.

How to submit a job

By using following methods, you can submit a job.

Job.submit(): Submit the job to the cluster and return immediately.

Job.waitForCompletion(boolean): Submit the job to the cluster and wait for it to finish.

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