Yes, I need a way to change the logging level of map/reduce tasks for the jobs of my Hive query, without affecting the logging level of other jobs or Hadoop daemons. How do I set hadoop.root.logger to do that?
-----Original Message----- From: Shrijeet Paliwal [mailto:shrij...@rocketfuel.com] Sent: Sunday, September 26, 2010 1:51 AM To: hive-user@hadoop.apache.org Cc: <hive-...@hadoop.apache.org> Subject: Re: Logging level You need to set hadoop looging level to debug if you are looking at map task logs. I guess hadoop.root.logger is your friend. On Sun, Sep 26, 2010 at 12:06 AM, Steven Wong <sw...@netflix.com> wrote: > > Tried your suggestion, but it still logs at INFO level in > /mnt/var/log/hadoop/userlogs/attempt_201008140123_5752_m_000018_0/syslog. Am > I looking in the wrong file? > > > > > > From: Ning Zhang [mailto:nzh...@facebook.com] > Sent: Saturday, September 25, 2010 11:45 PM > To: <hive-user@hadoop.apache.org> > Cc: <hive-...@hadoop.apache.org> > Subject: Re: Logging level > > > > hive -hiveconf hive.root.logger=DEBUG,DRFA > > > > On Sep 25, 2010, at 11:27 PM, Steven Wong wrote: > > How can I control the logging level of Hive code that runs in the > mappers/reducers? For example, how to set it to DEBUG? > > > > Thanks. > > Steven > > > >
