Kognitio's ultra-fast high-concurrency SQL platform is free to use on Hadoop.
There are no restrictions on scale or functionality, and it is ready for production use now.
Kognitio on Hadoop is a YARN application, and can use HDFS for its own disk storage. In-memory processing gives it the performance and concurrency that many users now require.
Download it today and see for yourself.
For details on our ongoing performance evaluation of SQL on Hadoop products, see SQL on Hadoop benchmarks
10th January: Improvements to allow running in Amazon EMR - get a 5TB system for $15 per hour with Amazon spot prices. Usable in EMR or on in-house Hadoop clusters via the Software Download button. Release details in forum.