Hi, New to Hadoop. Learning the architecture, code, ecosystem and everything else... love what I've seen so far. Some parts are brilliant.
I've been wondering. If the NameNode is a single point of failure why not employ a highly available solution to replace the current implementation? For ex: Is there any reason why not to mimic the fsImage file structure in Cassandra? or in ZooKeeper? Another thing, I've only recently learned about BFT. Does hadoop uses this algorithm somewhere in it's logic? I would love to see the implementation if it does. Are there any plans for this? Seems like a good fit for a large scale cluster. Thanks for the continuous commits flow guys! :) Great work.
