Jason, do you know offhand when this feature was introduced? .18.x? Thanks, Bo
On Mon, Jun 22, 2009 at 10:58 PM, jason hadoop<jason.had...@gmail.com> wrote: > Check the process environment for your streaming tasks, generally the > configuration variables are exported into the process environment. > > The Mapper input file is normally stored as some variant of > mapred.input.file. The reducer's input is the mapper output for that reduce, > so the input file is not relevant. > > On Mon, Jun 22, 2009 at 7:21 PM, C G <parallel...@yahoo.com> wrote: > >> Hi All: >> Is there any way using Hadoop Streaming to determining the directory from >> which an input record is being read? This is straightforward in Hadoop >> using InputFormats, but I am curious if the same concept can be applied to >> streaming. >> The goal here is to read in data from 2 directories, say A/ and B/, and >> make decisions about what to do based on where the data is rooted. >> Thanks for any help...CG >> >> >> >> > > > > > -- > Pro Hadoop, a book to guide you from beginner to hadoop mastery, > http://www.amazon.com/dp/1430219424?tag=jewlerymall > www.prohadoopbook.com a community for Hadoop Professionals >
