CDH is the most complete, tested, and popular distribution of Apache Hadoop and related projects. CDH delivers the core elements of Hadoop – scalable storage and distributed computing – along with a Web-based user interface and vital enterprise capabilities. CDH is Apache-licensed open source and is the only Hadoop solution to offer unified batch processing, interactive SQL and interactive search, and role-based access controls.

CDH provides:

• Flexibility—Store any type of data and manipulate it with a variety of different computation frameworks including batch processing, interactive SQL, free text search, machine learning and statistical computation.
• Integration—Get up and running quickly on a complete Hadoop platform that works with a broad range of hardware and software solutions.
• Security—Process and control sensitive data.
• Scalability—Enable a broad range of applications and scale and extend them to suit your requirements.
• High availability—Perform mission-critical business tasks with confidence.
• Compatibility—Leverage your existing IT infrastructure and investment.

For information about CDH components which is out of scope for Cloudera documentation, see the links in External Documentation.

• Apache Impala (incubating) Overview
• Cloudera Search Overview
• Apache Sentry Overview
• Apache Spark Overview
• File Formats and Compression
• External Documentation