How to use custom FileInputFormat in MapReduce?

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How do I create a custom FileInputFormat to send the whole file as a single record to Mapper?

Apr 10, 2018 in Big Data Hadoop by coldcode
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You have to override isSplitable method.

        @Override
        protected boolean isSplitable(JobContext context, Path filename) {
            return false;
        }

Go through this Hadoop source code example, MultiFileWordCount. You have to override isSplitable method to avoid splits.

answered Apr 10, 2018 by Shubham
• 12,890 points

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