all communication regarding health of task tracker and tasks assigned to TT from JT, info on failed tasks, completed all is communicated through heartbeat ... what other communication are you talking about? hadoop uses the regular heartbeat and all other info piggy backs on it ... from TT to JT on heatbeat and in the reverse on heartbeatresponse!
cheers momina On Fri, Aug 13, 2010 at 6:24 AM, Ahmad Shahzad <ashahz...@gmail.com> wrote: > Hi Momina, > Is that all that RPC Server and Client is used for ??? > What about the rest of the communication that happens between Jobtracker > and > Tasktracker?? how the rest of the communication is done?? > > Ahmad >