Author Archives: Jarek Jarcec Cecho

New in CDH 5.3: Apache Sentry Integration with HDFS

Categories: Data Ingestion Security Sentry Sqoop

Starting in CDH 5.3, Apache Sentry integration with HDFS saves admins a lot of work by centralizing access control permissions across components that utilize HDFS.

It’s been more than a year and a half since a couple of my colleagues here at Cloudera shipped the first version of Sentry (now Apache Sentry (incubating)). This project filled a huge security gap in the Apache Hadoop ecosystem by bringing truly secure and dependable fine grained authorization to the Hadoop ecosystem and provided out-of-the-box integration for Apache Hive.

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Understanding Connectors and Drivers in the World of Sqoop

Categories: Data Ingestion Sqoop

Note: This post was originally published at in a slightly different form.

Apache Sqoop is a tool for doing highly efficient data transfers between relational databases and the Apache Hadoop ecosystem. One significant benefit of Sqoop is that it’s easy to use and can work with a variety of systems inside as well as outside of that ecosystem. Thus, with one tool, you can import or export data from all databases supporting the JDBC interface with the same command-line arguments exposed by Sqoop.

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What’s New in Apache Sqoop 1.4.2

Categories: Sqoop

(The following is a re-post from

Apache Sqoop 1.4.2 was released in August 2012. As this was an extremely important release for the Sqoop community – our first release as an Apache Top Level project – I would like to highlight the key features and fixes of this release. The entire change log can be viewed on our JIRA and actual bits can be downloaded from the usual place.

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