On Wed, Jul 7, 2010 at 12:25 PM, Ahmad Shahzad <ashahz...@gmail.com> wrote:
> But i want to know if they are used by JobTracker and TaskTracker, or they
> are used by DataNode and NameNode. Or is it used by the child
> threads that are used for map-reduce to talk to TaskTracker on that
> machine.
>
>
All of the above. See the packages
org.apache.hadoop.{hdfs,mapred}.{protocol,server.protocol}
> Regards,
> Ahmad Shahzad
>
--
Todd Lipcon
Software Engineer, Cloudera
