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 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 the ports, > what else should I take care ? > > > Thank you > > Jeff zhang >
