Sunday 13 December 2015

Consider case scenario: In M/R system, - HDFS block size is 64 MB

- Input format is FileInputFormat
 – We have 3 files of size 64K, 65Mb and 127Mb
 How many input splits will be made by Hadoop framework? 
Hadoop will make 5 splits as follows:
- 1 split for 64K files
 - 2 splits for 65MB files
 - 2 splits for 127MB files

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