Hadoop Installation Tutorial (Hadoop 2.x)

Hadoop 2 or YARN is the new version of Hadoop. It adds the yarn resource manager in addition to the HDFS and MapReduce components. Hadoop MapReduce is a programming model and software framework for writing applications, which is an open-source variant of MapReduce designed and implemented by Google initially for processing and generating large data sets. HDFS is Hadoop’s underlying data persistency layer, loosely modeled after the Google file system (GFS). » Read more

Microsofts Cosmos Service

Cosmos is “Microsoft’s internal data storage/query system for analyzing enormous amounts (as in petabytes) of data”. There is no paper/technical report about Cosmos published yet. I compiled a list of information about Cosmos on the Web as follows. What is Microsoft’s Cosmos service? by Yaron Y. Goland. Microsoft Cosmos: Petabytes perfectly processed perfunctorily by Seth Eliot. Cosmos Big Data and Big Challenges by Pat Helland. » Read more