Check the single node and cluster setup documentation for Hadoop http://hadoop.apache.org/common/docs/r0.23.0/ - for the new MR engine (0.23 release) http://hadoop.apache.org/common/docs/r0.20.205.0/ - for the old MR engine (non 0.23 release)
Here are some other tutorials for running 0.23 release. http://www.cloudera.com/blog/2011/11/building-and-deploying-mr2/ http://www.crobak.org/2011/12/getting-started-with-apache-hadoop-0-23-0/ Regards, Praveen On Tue, Dec 6, 2011 at 10:53 AM, #NGUYEN HA DUY# <y080...@e.ntu.edu.sg>wrote: > I got the Hadoop source code, and I able to build the source code with > "mvn clean install -DskipTests -P-cbuild", but I don't know how to test the > built program (run it on a cluster) > > May I ask how do you often test your changes on Hadoop with a cluster? I > want to run my Hadoop on a cluster and see the effect of the changes I > made. But I don't figure how... > > Is the development steps something like this: > - Change code > - Build > - Run Unit tests > - Try run on a cluster > - Commit > ? > > In addition, I've joined IRC chat FreeNode -> hadoop, but I've found that > the channel is very inactive... How do you often communicate with other > Hadoop developer? Not using IRC? > > Any of your help is very much appreciated, > Thank you >