If experience with Hadoop in the cloud has taught me anything, it’s that it is very hard to get straight answers about Hadoop in the cloud. The cloud is a complex environment that differs in many ways from the data center and full of surprises for Hadoop. Hopefully, these notes will lay out all the major issues.
No Argument Here
Before getting into Hadoop, let’s be clear that there is no real question anymore that the cloud kicks the data center’s ass on cost for most business applications. Yet, we need to look closely at why, because Hadoop usage patterns are very different from those of typical business applications. Continue reading