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
