Basically, it finishes what it is supposed to do (I view the logs to find out), but does not move onto the reduce stage.
Ted Dunning wrote: > > Is that last map task actually running, or is it pending? > > On Tue, Sep 29, 2009 at 5:57 PM, achilles852 <faheemk...@gmail.com> wrote: > >> >> Hey.. I am trying to write a small mapreduce program. I launch a few map >> tasks, each of which should complete within a certain time (say 5 >> minutes)... all the tasks complete within 5 minutes except the last one - >> which takes around 10 times more the time taken by all other map >> tasks.....any idea why this is happening? >> >> I am using Hadoop version 0.19.2, tried running it locally as well as on >> EC2. >> -- >> View this message in context: >> http://www.nabble.com/last-map-task-taking-too-long-tp25673359p25673359.html >> Sent from the Hadoop core-dev mailing list archive at Nabble.com. >> >> > > > -- > Ted Dunning, CTO > DeepDyve > > -- View this message in context: http://www.nabble.com/last-map-task-taking-too-long-tp25673359p25673431.html Sent from the Hadoop core-dev mailing list archive at Nabble.com.
