Impala

A modern, massively distributed SQL query engine for Apache Hadoop. It allows you to analyze, transform and combine data from a variety of data sources. With Impala, you can query data, whether stored in HDFS or HBase, in real time. 

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First released 2013
Developed by Apache Software Foundation
Latest stable version Impala 2
Open-source Yes
Used by Cloudera, Amazon, Oracle, MapR

Interesting facts

Impala is a query engine which is integrated into the Hadoop environment and utilizes a number of standard Hadoop components (Metastore, HDFS, HBase, YARN, Sentry) in order to deliver an RDBMS-like experience. 

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Development by Synergize.digital

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