Look in the job history file. It has a line for each event of the job
including task start and finish.
On Jun 26, 2011, at 2:17 AM, Keren Ouaknine <[EMAIL PROTECTED]> wrote:
> I am looking for the actual number of mappers on each machine for the job. I
> know how to configure the max number ("mapred.tasktracker.map.tasks.maximum"
> in mapred-site.xml file), but not the actual number of mappers that were
> running for a completed job.
> Any idea where can I find this data?
> Keren Ouaknine
> Cell: +972 54 2565404
> Web: www.kereno.com