when hadoop running multi jobs concurrently, that is when hadoop is busy,
always have killed tasks in some jobs, although the jobs success finally.
anybody tell me why?
--
Regards
Junyong
On Fri, Jan 29, 2010 at 2:52 PM, john li lij...@gmail.com wrote:
when hadoop running multi jobs concurrently, that is when hadoop is busy,
always have killed tasks in some jobs, although the jobs success finally.
anybody tell me why?
if only killed, don't mind it. JobTracker schedules idle
You can find out the reason from the JT logs (eg: memory/timeout restrictions)
and adjust the timeout - mapred.task.timeout or the memory parameters
accordingly.Refer
http://hadoop.apache.org/common/docs/r0.20.0/cluster_setup.html
Cheers,
/R
On 1/29/10 12:22 PM, john li lij...@gmail.com wrote:
