Hadoop-Common-22-branch - Build # 5 - Failure

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RE: Configuring Heap Size for Name Node

I'm using 0.20.2. I've seen references to HADOOP_NAMENODE_OPTS, but nothing that clearly explains how to set them. Any help would be greatly appreciated. Dave Shine -Original Message- From: Hemanth Yamijala [mailto:yhema...@gmail.com] Sent: Tuesday, November 30, 2010 9:39 PM To: commo

hadoop.tmp.dir

On a production cluster, is it acceptable to have the following properties set to subfolders of hadoop.tmp.dir? (hadoop.tmp.dir=/tmp/hadoop-hadoop) fs.checkpoint.dir mapred.local.dir mapred.temp.dir fs.checkpoint.dir seems like it might be a proble

Re: Configuring Heap Size for Name Node

HADOOP_NAMENODE_OPTS="-Xmx500m" will set it to 500MB. The "OPTS" here refers to JVM options. -Xmx is a common JVM option to set the maximum heap. -- Philip On Wed, Dec 1, 2010 at 4:27 AM, Dave Shine wrote: > I'm using 0.20.2. > > I've seen references to HADOOP_NAMENODE_OPTS, but nothing that c