You may grep it from the Context object that passed to
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 <[EMAIL PROTECTED]> 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?