You may grep it from the Context object that passed to map/reduce/setup/cleanup method.
context.getInputSplit() return a InputSplit object which ,in most of the case ,is type of FileInputSplit. if using a not standard FileInputFormat,refer to the getSplit() method of that certain InputFormat. On Sat, Mar 17, 2012 at 8:35 PM, Qu Chen <chenqu...@gmail.com> wrote: > I am trying to write a map-reduce application in which the mapper function > is aware of the input HDFS filename of its data split. Anyone know how to > do that? >
