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
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
Hi all,
I found the the default value of HADOOP_VERSION is 0.17.0 in
hadoop-ec2-env.sh of hadoop 0.18.3, and I can create hadoop 0.17.0 cluster
in ec2 succesully, but I can not create hadoop 0.18.3 if I change the
HADOOP_VERSION to 0.18.3.
Besides, the HADOOP_VERSION in hadoop-ec2-env.sh in
I've run into a situation where it would be helpful to set specific
configuration variables local to a data/task node. I've got a solution, but
I'm curious if there is a best practice around this and if I'm doing it in a
reasonable way.
Basically what we've got is a number of