We've just added a couple of new drives to our datanodes.
Each new drive has a single filesystem which we added to dfs.data.dir, and
mapred.{local,tmp}.dir.
Now I want to rebalance the data across the new filesystems so that they are
equally utilized.
My plan is to write a script that does the
I'm at the hackathon in SF just trying to setup a single node cluster from my
trunk checkout.
I'm at the point where I need to format a new namenode, and the old way of
just running "hadoop namenode -format" is failing because I'm not specifying a
clusterID.
So I started poking around the code
