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How do the different SQL on Hadoop tools fare in the 99 TPC-DS test queries?

Over the past year, the Kognitio Analytics Team has been testing different open source SQL on Hadoop solutions against our own free-to-use software. Due to increasing demands for performance comparisons of different SQL on Hadoop solutions, the TPC-DS query set has become the de-facto industry standard benchmark for Big Data systems. We have used these…

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Four ways to get it wrong with SQL on Hadoop

Oct 02, 2017 | By admin

More than half of professional developers work with SQL. And for all their early revolutionary fervor, even NoSQL databases are increasingly turning to SQL-like query languages. Despite its imperfections, SQL is how the world queries data. Hadoop started from a fundamentally different position. Hadoop was about solving the problems of big data: variety, volume and…

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Making your own Amazon Machine Image

Amazon Web Services (AWS) allows you to rent virtual compute nodes using their Elastic Compute Cloud (EC2). When you launch EC2 nodes you choose an Amazon Machine Image (AMI) to run; this is a pre-installed operating system and perhaps an application, for example “Amazon Linux“, “Microsoft Windows Server 2016“, “OpenVPN Access Server” or “WordPress“.  But…

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Using Kognitio on HDP Hortonworks

In this article we will install and configure a Kognitio cluster on to a running HDP Hadoop cluster. In order to run Kognitio on HDP Hortonworks you will need: Version 8.2.00-rel170616 or later of the Kognitio on Hadoop software (from https://kognitio.com/products/kognitio-on-hadoop ) You do not need a licensed Hortonworks installation to run Kognitio. Getting ready…

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