You can specify the logging level as specified by Charles. But turning logs off is never a good idea. Logs are really helpful in problem diagnosis, which are eventual.
Warm Regards, Tariq https://mtariq.jux.com/ cloudfront.blogspot.com On Thu, Feb 14, 2013 at 1:22 AM, Arko Provo Mukherjee < arkoprovomukher...@gmail.com> wrote: > Hi, > > Yeah, my NameNode is also seconding as a DataNode. > > I would like to "turn off" this feature. > > Request help regarding the same. > > Thanks & regards > Arko > > On Wed, Feb 13, 2013 at 1:38 PM, Charles Baker <cba...@sdl.com> wrote: > > Hi Arko. Sounds like you may be running a DataNode on the NameNode which > is > > not recommended practice. Normally, the only files the NN stores are the > > image and edits files. It does not store any actual HDFS data. If you > must > > run a DN on the NN, try turning down the logging in > /conf/log4j.properties: > > > > #hadoop.root.logger=INFO,console > > #hadoop.root.logger=WARN,console > > hadoop.root.logger=ERROR,console > > > > Depending on the logging information you require, of course. > > > > -Chuck > > > > > > -----Original Message----- > > From: Arko Provo Mukherjee [mailto:arkoprovomukher...@gmail.com] > > Sent: Wednesday, February 13, 2013 11:32 AM > > To: hdfs-u...@hadoop.apache.org > > Subject: Managing space in Master Node > > > > Hello Gurus, > > > > I am managing a Hadoop Cluster to run some experiments. > > > > The issue I am continuously facing is that the Master Node runs out of > disk > > space due to logs and data files. > > > > I can monitor and delete log files. However, I cannot delete the HDFS > data. > > > > Thus, is there a way to force Hadoop not to save any HDFS data in the > Master > > Node? > > > > Then I can use my master to handle the metadata only and store the logs. > > > > Thanks & regards > > Arko > > SDL Enterprise Technologies, Inc. - all rights reserved. The > information contained in this email may be confidential and/or legally > privileged. It has been sent for the sole use of the intended recipient(s). > If you are not the intended recipient of this mail, you are hereby notified > that any unauthorized review, use, disclosure, dissemination, distribution, > or copying of this communication, or any of its contents, is strictly > prohibited. If you have received this communication in error, please reply > to the sender and destroy all copies of the message. > > Registered address: 201 Edgewater Drive, Suite 225, Wakefield, MA 01880, > USA > > >
