Hi, On Wed, Dec 1, 2010 at 1:38 AM, Dave Shine <dave.sh...@channelintelligence.com> wrote: > How do I change the heap size for the Name Node (and Secondary Name Node) > without changing the heap size for the data nodes, job tracker, and task > trackers?
Which version are you using. I am pretty certain that 0.21 and above have HADOOP_NAMENODE_OPTS which can be used to set the heap size only for NameNode. You can check if this option is defined in hadoop-env.sh. Thanks Hemanth > > Thanks, > Dave Shine > Sr. Software Engineer > > 1180 Celebration Blvd Suite 101 > Celebration FL 34747 > Office 321-939-5093 > Mobile 407-314-0122 > Fax 321-939-5604 > dave.sh...@channelintellence.com<mailto:dave.sh...@channelintellence.com> > http://www.channelintelligence.com<http://www.channelintelligence.com/> > > > > ________________________________ > The information contained in this email message is considered confidential > and proprietary to the sender and is intended solely for review and use by > the named recipient. Any unauthorized review, use or distribution is strictly > prohibited. If you have received this message in error, please advise the > sender by reply email and delete the message. >
