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 ...

Pivotal Brings In-Memory Analysis To Hadoop

Pivotal, the EMC spin-off company pursuing modern application development in the context of cloud computing and big-data analysis, on Monday released Pivotal HD 2.0, an update of its Hadoop distribution incorporating an in-memory database and a battery of new analysis ...

Top 12 Hadoop Technology Companies

Hadoop, a platform developed by The Apache Software Foundation, is a popular open-source Big Data platform for distributed processing of large datasets across clusters of computers. Each system in Apache Hadoop acts as a storage device and as a computation ...
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