You probably have speculative execution enabled. That¹s normal for job tracker to launch multiple tasks and take result of the ones that complited first.
Regards, Serge On 2/27/12 11:55 AM, "Mohit Anchlia" <mohitanch...@gmail.com> wrote: >I submitted a map reduce job that had 9 tasks killed out of 139. But I >don't see any errors in the admin page. The entire job however has >SUCCEDED. How can I track down the reason? > >Also, how do I determine if this is something to worry about?
