Dear Sai Sai, you wrote: > key = 0 value = 10 10 > key = 6 value = 20 200 > ...
the provided key is the byte offset of the respective line in your input file. See TextInputFormat docs here: http://hadoop.apache.org/docs/stable/api/org/apache/hadoop/mapred/TextInputFormat.html I guess this is used as default, as you didn't specify something different by using FileInputFormat... Best regards, Jens Best regards, Jens
