Hi, all, I'm running hadoop on a cluster consisting of 2 data nodes, each of which has 24 CPUs (intel Xeon [email protected]) and each CPU has 6 cores. So, totally 144 cores on a single node.
In this case, what value should I set for these parameters? - mapred.tasktracker.map.tasks.maximum - mapred.map.tasks - mapred.tasktracker.reduce.tasks.maximum - mapred.reduce.tasks Actually, I've searched the answer on Internet, but I've been confused since some articles said these should be related to #processors and the others said it should be related to #cores. Could anyone give me a confirmed formulation to calculate these parameters? Thanks. -- Lin Yang
