Re: Can I install two different version of hadoop in the same cluster ?

2009-10-30 Thread Amandeep Khurana
Theoretically, you should be able to do this. You'll need to alter all the ports so that there are no conflicts. However, resources might be a problem... (assuming that you want daemons of both versions running at the same time).. If you just want to run one version at a time, then it should not

Re: Can I install two different version of hadoop in the same cluster ?

2009-10-30 Thread Aaron Kimball
Also hadoop.tmp.dir and mapred.local.dir in your xml configuration, and the environment variables HADOOP_LOG_DIR and HADOOP_PID_DIR in hadoop-env.sh. - Aaron On Thu, Oct 29, 2009 at 10:44 PM, Jeff Zhang zjf...@gmail.com wrote: Hi all, I have installed hadoop 0.18.3 on my own cluster with 5

Can I install two different version of hadoop in the same cluster ?

2009-10-29 Thread Jeff Zhang
Hi all, I have installed hadoop 0.18.3 on my own cluster with 5 machines, now I want to install hadoop 0.20, but I do not run to uninstall the hadoop 0.18.3. So what things should I modify to eliminate conflict with hadoop 0.18.3 ? I think currently I should modify the data dir and name dir and