hi the periodic heartbeat call that task trackers make to the jobtracker is thru RPC ....same for namenode and data nodes.
momina On Fri, Aug 13, 2010 at 5:39 AM, Ahmad Shahzad <ashahz...@gmail.com> wrote: > Hi ALL, > Can anyone tell me the purpose for RPC server and RPC client > that is used in hadoop. As far as logs tell, they are used by JobTracker > and > TaskTracker, as well as namenode and datanode. Can anyone tell me that for > what purpose RPC server and client are used by each of them. > > Ahmad >
