DataStax Developer Blog

Welcome to the DataStax Developer Blog. Here’s where you can find the latest insights and technical articles from top experts and fellow peers on development aspects of DataStax Enterprise and its components, including Apache Cassandra, Apache Hadoop, Apache Solr and DataStax OpsCenter.

For ongoing discussions about our company and general perspectives about DataStax products, please visit our company blog.

Looking for Cassandra Community insights? Visit the Cassandra blog on Planet Cassandra.

Running multiple DataStax Enterprise nodes in a single host

By Ulises Cervino - November 10, 2015

This article is about setting up a DataStax Enterprise cluster running in a single host. There are a variety of reasons why you might want to run a DataStax Enterprise cluster inside a single host. For instance, your server vendor talked you into buying this vertical-scale machine but Cassandra can't effectively use all the resources available. Or your developers need to test your app as they develop it, and they'd rather test it locally. Whatever the reason, you'll learn how to set the cluster up from the ground up.

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Using the Cassandra Data Modeler to Stress and Size C*/DSE Instances

By Sebastian Estevez - October 29, 2015

Summary Here’s the link to the Data Modeler that is discussed in this post. The main drivers behind Cassandra performance are: Hardware Data Model Application specific design and configuration For many early stage projects that are trying to make hardware and data modeling decisions to maximize performance, it is often beneficial to take the app specific questions out of the equation and design and test a table that will scale on a given hardware configuration.

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DataStax C/C++ Driver: 2.2 GA released!

By Michael Penick - October 29, 2015

We are pleased to announce the 2.2 GA release of the C/C++ driver for Apache Cassandra. This release includes all the features necessary to take full advantage of Apache Cassandra 2.2 including support for new data types (‘tinyint’, ‘smallint’, ‘time’, and ‘date’) and support for user defined function/aggregate (UDF/UDA) schema metadata.

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Tuple and UDT support in DSE Search

By Berenguer Blasi - October 23, 2015

Tuple and UDTs are convenient ways to handle certain data structures which usually go together (check the Cassandra on-line documentation for an updated explanation on them). DSE Search starting version 4.8 is supporting them and we intend to explain in this post how to use them best.

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Query the Northwind Database as a Graph Using Gremlin

By Mark Kromer - October 21, 2015

Gremlin is the popular graph query language that comes from the Apache TinkerPop graph framework project. As part of the DataStax commitment to the Gremlin and TinkerPop graph community, I'm going to introduce you to a great way to get started with Gremlin graph queries.

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Fraud Prevention in DSE

By Patrick Callaghan - October 1, 2015

In today’s technology driven world, online fraud is one of the biggest problems for online providers. From your local Starbucks credit card machine to the world’s biggest online shops, they all have to deal with fraud.

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Scalable Inventory

By Matt Stump - September 30, 2015

This example demonstrates best practices for the creation of a robust, linear scalable inventory management system built using distributed systems. Both robustness and scalability are achieved by avoiding shared mutable state.

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