I've been following https://issues.apache.org/jira/browse/HDFS-1312 and really need the balancing tool described therein. I'd be interested in writing it, but am not sure where to start. I'm more comfortable in Python, but I suspect it has a better chance of being integrated if I do it in Java.
Is hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop the place to look for interfaces to manipulate the filesystem? Kevin -- Kevin Lyda Galway, Ireland US Citizen overseas? We can vote. Register now: http://www.votefromabroad.org/