Hi Rares, You can access the name of the current file by looking at the "mapred.input.file" configuration variable in the Configuration object.
If you're using Hadoop Streaming this is available as $MAPRED_INPUT_FILE Hope that helps, -Todd On Mon, May 4, 2009 at 12:46 PM, Rares Vernica <ra...@ics.uci.edu> wrote: > Hello, > > TextInputFormat is a perfect match for my problem. The only drawback is > that fact that keys are unique only within a file. Is there an easy way > to have keys unique across files. That is, each line in any file should > get a unique key. Is there an unique id for each file? If yes, maybe I > can concatenate them if I can access the file id from the map function. > > Thanks, > Rares >