Task tracker sometimes so not clean up their mapred temp directories well if that is the case the tt on startup can spent many minutes deleting files. I use find to delete files older then a couple of days.
On Friday, January 27, 2012, hadoop hive <hadooph...@gmail.com> wrote: > Hey Harsh, > > but after sumtym they are available 1 by 1 in jobtracker URL. > > any idea how they add up slowly slowly. > > regards > Vikas > > On Fri, Jan 27, 2012 at 5:05 PM, Harsh J <ha...@cloudera.com> wrote: > >> Vikas, >> >> Have you ensured your non-appearing tasktracker services are >> started/alive and carry no communication errors in their logs? Did you >> perhaps bring up a firewall accidentally, that was not present before? >> >> On Fri, Jan 27, 2012 at 4:47 PM, hadoop hive <hadooph...@gmail.com> wrote: >> > Hey folks, >> > >> > i m facing a problem, with job Tracker URL, actually i added a node to >> the >> > cluster and after sometime i restart the cluster, then i found that my >> job >> > tracker is showing recent added node in *nodes * but rest of nodes are >> not >> > available not even in *blacklist. * >> > * >> > * >> > can any1 have any idea why its happening. >> > >> > >> > Thanks and regards >> > Vikas Srivastava >> >> >> >> -- >> Harsh J >> Customer Ops. Engineer, Cloudera >> >
