It is map.input.file [.start and .length also relate to the InputSplit for the mapper] For more: http://hadoop.apache.org/common/docs/r0.20.2/mapred_tutorial.html#Task+JVM+Reuse
With a custom RR, you can put in this value yourself (FileSplit.getPath()) before control heads to the Mapper/MapRunner. On Fri, Dec 31, 2010 at 6:17 PM, Zhou, Yunqing <[email protected]> wrote: > You can use "map.input.split"(something like that, I can't remember..) param > in Configuration. > this param contains the input file path, you can use it to branch your logic > this param can be found in TextInputFormat.java -- Harsh J www.harshj.com
