Thank you for the answer. However, I do not have the access to the jobtracker's local system...
Fortunately I have found a workaround -- using $hadoop job -history [output] Regards, Zheyi. Regards, Zheyi Rong On Wed, Apr 3, 2013 at 2:06 PM, MARCOS MEDRADO RUBINELLI < [email protected]> wrote: > Zheyi, > > The jobtracker doesn't keep a reference to the job to save memory, but you > may still find it in the filesystem. For a default CDH3 installation, it > will be in the jobtracker's local filesystem, at > /var/log/hadoop-0.20/history/done/ > > Logs from individual tasks are a little trickier to find. They will be in > the node that ran that task, at /var/log/hadoop-0.20/history/userlogs if > they haven't been deleted yet -- deletion is controled by > mapreduce.job.userlog.retain.hours, and the default is 24 hours. > > Regards, > Marcos > > > I would like to ask why the logs (configurations and status) of my job > disappeared in the Jobtracker web UI? > > Specifically, I finished a job four days ago, but I cannot find it in > the Jobtracker web UI, neither in the > homepage nor "Job Tracker History" on the left-bottom corner. > > The cluster is deployed with CDH3, and users actively submit jobs. > Some configurations: > *mapred.jobtracker.retirejob.interval* 3600000 > *mapred.jobtracker.completeuserjobs.maximum* 5 > > >
