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 t
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 be
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 wrote:
> Hi all,
>
> I have installed hadoop 0.18.3 on my own cluster with 5 machines, now I