Whereas Big Data is a revolution, it is hard to master, requiring several months of trials and errors to properly understand it. The purpose of this book is to cut through the unnecessary technical nonsense and, through practical examples, teach the most known technologies in the Big Data marketspace, such as: Frameworks: Hadoop, Spark, Tachyon Companies: Cloudera, Hortonworks, MapR Cluster Managers: MapReduce, Yarn, Spark Standalone, Mesos, Amazon EC Languages: Java, Python, Scala, Pig, Hive Databases NoSQL, HBase, Cassandra, Impala File systems: HDFS, Ceph Search Systems: Elasticsearch, Lucene