HUG Meetup October 2012: Hadoop .Next (0.23) - Customer Impact and Deployment (Part II)

Hadoop 0.23 contains major architectural changes in both HDFS and Map-Reduce frameworks. The fundamental changes include HDFS (Hadoop Distributed File System) Federation and YARN (Yet Another Resource Negotiator) to overcome the current scalability limitations of both HDFS and Job Tracker.This talk is about the customer impact and potential deployment issues of Hadoop 23 and its ecosystems. The deployment of Hadoop 23 at Yahoo! is an ongoing process and is being conducted in a phased manner on our clusters.