Implementing Custom InputFormat in Hadoop MapReduce
Experimental Principle
1. InputFormat Concept
The InputFormat class in Hadoop defines how input files are split and read. It provides the following functionality:
Selects files or objects to process as input
Defines InputSplits that partition files into tasks
Provides a factory method for RecordReader to read files
Hadoop includes several bui ...
Posted on Sat, 09 May 2026 20:06:23 +0000 by pdmiller