Hi,
Try setting number of map tasks in the program itself. For example, in the
Wordcount example, you can set the number of maptasks in run method as
conf.setNumMapTasksno. of map tasks
I hope this answers your first query.
Regards,
V.V.Chaitanya Krishna
IIIT,Hyderabad
On Wed, Jul 16, 2008
Hi all,
I am a new user with hadoop and have some questions about it.
1)about setting the number of maps/reduces: With running hadoop on a 8-node
cluster, I set mapred.map.tasks to 64 and
mapred.tasktracker.map.tasks.maximum to 8, but by examining the counter
launched map tasks from the output,