No. Mapper output files (part-m-00000) are stored on local file system of data nodes and these are not replicated to provide fault tolerance as these files exist only during job execution. Once the mapreduce job is completed these mapper output files will be flushed out.
Whether Mapreduce Job mapper output files are replicated ?
No. Mapper output files (part-m-00000) are stored on local file system of data nodes and these are not replicated to provide fault tolerance as these files exist only during job execution. Once the mapreduce job is completed these mapper output files will be flushed out.
