Hmm, did you check at log/userlogs/ ? There is directory for every job you run and on every mapper Hadoop runs it creates a log file.
Cheers Gustavo On Sat, Jun 15, 2013 at 2:08 PM, Armando Miraglia <a.mirag...@student.vu.nl>wrote: > Hi guys, > > I would like to log debugging messages to trace the Algorithm on which I > am working. I have tried to add a log4j.properties file in the > configuration direcotry of hadoop with these options: > > hadoop.root.logger=DEBUG,console > hadoop.metrics.log.level=DEBUG > > but none of them helped me. Any ideas how I could use log.debug to > obtain messages from the algorithm I am writing? > > Thanks a lot. > Armando >
