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 distributed systems, data management strategies, Star Wars/Star Trek debates, and best practices for building cloud applications that are always on, built with effortless scale, and deliver instant insight.

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DSE Continuous Paging Tuning and Support Guide

By Russell Spitzer - April 25, 2017

Continuous paging (CP) is a new method of streaming bulk amounts of records from Datastax Enterprise to the Datastax Java Driver. This is disabled by default and can be activated and used only when running with DataStax Enterprise (DSE) 5.1. When activated, all read operations executed from the CassandraTableScanRDD will use continuous paging. Continuous Paging is an Opt-In feature and can be enabled as a Spark configuration option.

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Property Graph Algorithms

By Marko A. Rodriguez - April 10, 2017

The term property graph has come to denote an attributed, multi-relational graph. That is, a graph where the edges are labeled and both vertices and edges can have any number of key/value properties associated with them.

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Webinar Q&A Follow-up – DataStax Enterprise 5.1: 3X the operational analytics speed, help for multi-tenant SaaS apps, & other shiny things

By Gehrig Kunz - March 24, 2017

In this week's webinar, DataStax Enterprise 5.1: 3X the operational analytics speed, help for multi-tenant SaaS apps, & other shiny things, our awesome Technical Evangelist, David Gilardi and I had the opportunity to give a sneak peek at what's in store in our upcoming April 4th release of DataStax Enterprise 5.1, DataStax OpsCenter 6.1, and DataStax Studio 2.0. Here are the answers to your webinar questions.

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Getting the Hang of Using the DataStax Graph Loader: The Basics 

By Marc Selwan - March 21, 2017

The DataStax Graph Loader is an important tool in the development of a DataStax Graph use case. While its primary function is to bulk load data into DSE Graph, it can be a great tool to help you familiarize yourself with some of the in’s and out’s (pun intended) of the DSE Graph.

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Large Graph Loading Best Practices: Tactics (Part 2)

By Sebastian Estevez - March 14, 2017

The previous post introduced DSE Graph and summarized some key considerations related to dealing with large graphs. This post aims to: describe the tooling available to load large data sets to DSE Graph point out tips, tricks, and key learnings for bulk loading with DSE Graph Loader provide code samples to simplify your bulk loading process into DSE Graph Tooling DSE Graph Loader (DGL) is a powerful tool for loading graph data into DSE Graph.

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Python Driver 3.8.0 Released

By Jim Witschey - February 21, 2017

Today we released version 3.8.0 of the DataStax Python driver for Apache Cassandra. This release is primarily a bugfix release with no specific area of focus.

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