Look in the job history file. It has a line for each event of the job including task start and finish.
-- Owen On Jun 26, 2011, at 2:17 AM, Keren Ouaknine <[email protected]> wrote: > Hello, > > 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? > Thanks, > Keren > > -- > Keren Ouaknine > Cell: +972 54 2565404 > Web: www.kereno.com
