5. 5 What is Impala? • MPP SQL query engine for Hadoop environment • wriTen in naLve code for maximum hardware efficiency • open-‐source! • hTp://impala.io/ • Supported by Cloudera, Amazon, and MapR • History • 2012/10 Public Beta released • 2013/04 Impala 1.0 released • current version: Impala 2.0 6. 6 Impala is easy to use • create tables as virtual views over data stored in HDFS / HBase • sche