You don't need Hadoop to do this. Just use an InetAddress. http://docs.oracle.com/javase/6/docs/api/java/net/InetAddress.html
--Bobby On 12/27/12 8:51 AM, "Eduard Skaley" <e.v.ska...@gmail.com> wrote: >Hi, > >is there a way to find out in the setup function of a mapper on which >node of the cluster the current mapper is running ? > >thank you very much, >Eduard