This is a cluster config and not a per job config. So this has to be set when the mapreduce cluster first comes up.
Koji -----Original Message----- From: javateck javateck [mailto:[email protected]] Sent: Tuesday, April 21, 2009 1:20 PM To: [email protected] Subject: mapred.tasktracker.map.tasks.maximum I set my "mapred.tasktracker.map.tasks.maximum" to 10, but when I run a task, it's only using 2 out of 10, any way to know why it's only using 2? thanks
