The latest release of Apache Hadoop has been adopted by many but information on how to install, configure, deploy, and tune Hadoop 2 - including YARN - is still sparse. We will begin the discussion with an overview of experiences with Apache Hadoop 2 on Cray Cluster Solutions systems, sharing details of how it was installed, configured, and tuned (an ongoing effort). Topics of discussion will include configuration variations, benefits and drawbacks, tuning opportunities, I/O configuration options, etc.
