Yes, I think so. The TaskTracker that launched the mapper and reducer in the child JVM which further invoked the streaming process can (and does) communicate with the JobTracker.
Regards, Shahab On Tue, Aug 27, 2013 at 8:34 AM, Manoj Babu <[email protected]> wrote: > Team, > > Does streaming mapper/reducer have such capability of sending heartbeat > to notify the jobtracker? > > > Cheers! > Manoj. >
