Hello, Not sure if this has been asked or answered. Suppose I have tasktrackers A1,A2,A3 each with 4 cores and 16GB ram.
mapred.tasktracker.map.tasks.maximum = 6 mapred.tasktracker.reduce.tasks.maximum = 4 Now suppose I have one more machine(X) with 8 cores and 32GB ram. Since (if i'm not mistaken) tasktrackers talk to the jobtracker, can I take advantage of X by a) A1,A2,A3 each have the same hadoop-site.xml with the above values for mapred.* b.0) on B, i have a hadoop-site.xml with these valus mapred.tasktracker.map.tasks.maximum = 5 mapred.tasktracker.reduce.tasks.maximum = 3 and start * one * tasktracker. b.1) Then edit hadoop-site.xml, change the tasktracker port (if there is such a thing) and b.2) start *another* tasktracker. We can skip b.1) if there is no such thing as a tasktracker port. Hence I wil have /two/ tasktrackers running on X, one on Ai. and thus take advantage of X. Is this at all possible? Or am i talking nonsense? ANy pointers appreciated Regards Saptarshi
