Most of this information is already available in the JobHistory files. And there are parsers to read from these files.

HTH
+Vinod Kumar Vavilapalli
Hortonworks Inc.
http://hortonworks.com/

On Nov 20, 2012, at 8:13 AM, Jeff LI wrote:

> Hello,
>
> Is there a way to obtain the information of each individual task of a map-reduce job, including start time, end time, which task tracker runs this task and so on?
>
> I know this information can be found through the web interface running on the jobtracter.  But is it possible to redirect the information to a nicely formatted log file for each job?
>
> By the way, I'm running hadoop 0.20.2-cdh3u5.
>
> Thanks advance for the help.
>
> Cheers
>
> Jeff
>