Impala, part of Cloudera Distribution Including Apache Hadoop (CDH) 4.1, is a native SQL query engine that runs on Hadoop clusters, providing easy query access to raw HDFS data and to HBase databases.

Hadoop vendor Cloudera is preparing its own Apache-licensed Hadoop storage engine: Kudu is said to combine the best of both HDFS and HBase in a single package and could make Hadoop into a general ...