Cask Blog


Tephra: A Transaction engine for HBase – moves to Apache Incubation!

Cask Data Application Platform (CDAP) simplifies Big Data application development by abstracting many of Hadoop’s complexities and enabling developers to use familiar skills. We found that one of the best ways to simplify distributed programs is to have exactly-once processing semantics. Having exactly-once processing makes it easy to reason about the state of the system … Read more


Continuuity Reactor 2.3: SQL and Security Release

Please note: Continuuity is now known as Cask, and Continuuity Reactor is now known as the Cask Data Application Platform (CDAP). The Continuuity Reactor platform is designed to make it easy for developers to build and manage data applications on Apache Hadoop™ and Apache HBase™. Every day we’re passionately focused on delivering an awesome experience … Read more


Meet Tephra, An Open Source Transaction Engine

Please note: Continuuity is now known as Cask, and Continuuity Reactor is now known as the Cask Data Application Platform (CDAP). Our platform, Continuuity Reactor, uses several open source technologies in the Apache HadoopTM ecosystem to enable any developer to build data applications. One of the major components of our platform is Apache HBase, a … Read more


Behind the scenes: Hacking our way to success

Please note: Continuuity is now known as Cask, and Continuuity Reactor is now known as the Cask Data Application Platform (CDAP). Building a platform that no one has created before is a big challenge. We break this huge effort into a continuous cadence of platform releases that are delivered to production frequently. Before every release … Read more


Continuuity Loom 0.9.7: Extensible cluster management

Please note: Continuuity is now known as Cask, and Continuuity Loom is now known as the Coopr. In March, we open sourced Continuuity Loom, a system for templatizing and materializing complex multi-tiered application reference architectures in public or private clouds. It is designed bottom-up to support different facets of your organization – from developers, operations … Read more


HBaseCon: Moving Beyond the Core to Address Availability & Usability

Please note: Continuuity is now known as Cask, and Continuuity Reactor is now known as the Cask Data Application Platform (CDAP). We just wrapped HBaseCon 2014, the annual event for Apache HBase™ contributors, developers, and users. As in years past, this is one of the most technical conferences that we attend, and it’s really focused … Read more


Running Presto over Apache Twill

Alvin Wang

Please note: Continuuity is now known as Cask, and Continuuity Reactor is now known as the Cask Data Application Platform (CDAP). We open-sourced Apache Twill with the goal of enabling developers to easily harness the power of YARN using a simple programming framework and reusable components for building distributed applications. Twill hides the complexity of … Read more