-Re: Can I install two different version of hadoop in the same cluster ?
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.
On Thu, Oct 29, 2009 at 10:44 PM, Jeff Zhang <[EMAIL PROTECTED]> wrote:
> Hi all,
> I have installed hadoop 0.18.3 on my own cluster with 5 machines, now I
> 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