Selecting the right SQL-on-Hadoop engine to access big data

With SQL-on-Hadoop technologies, it's possible to access big data stored in Hadoop by using the familiar SQL language. Users can plug in almost any reporting or analytical tool to analyze and study the data. Before SQL-on-Hadoop, accessing big data was ...

How-to Implement Role-based Security in Impala using Apache Sentry

Apache Sentry (incubating) is the Apache Hadoop ecosystem tool for role-based access control (RBAC). In this how-to, I will demonstrate how to implement Sentry for RBAC in Impala. I feel this introduction is best motivated by a use case. Data warehouse ...

Introduction to Impala

Impala in terms of Hadoop has got the significance because of its, Scalability Flexibility Efficiency What’s Impala? Impala is… Interactive SQL–Impala is typically 5 to 65 times faster than Hive as it minimized the response time to just seconds, not minutes. Nearly ANSI-92 standard and compatible with ...
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