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open source

Apache Cassandra logo What’s New in Apache Cassandra 4.0

Apache Cassandra is an open source, distributed NoSQL database based on the wide column model. The highly scalable, highly available database is great for handling large amounts of data. There is no set release date yet for the next version, Cassandra 4.0, but we do already know about several new features.

Deepak Vohra's picture
Deepak Vohra
Shipping storage containers Choosing Volumes for Kubernetes Storage

For data storage with Kubernetes, pod-based storage is not persistent, so external storage is necessary. A volume is a directory that is accessible to all containers in the pod, and it exists as long as the pod exists. Several types of volumes are supported, so let's explore some of these Kubernetes storage options.

Deepak Vohra's picture
Deepak Vohra
A ship with organized containers on deck Choosing a Container Orchestration Platform with Docker

Docker is the de facto container platform, supporting the microservices architecture for deploying loosely coupled applications. However, Docker supports several container orchestration platforms—which should you choose? Let’s look at some of the main platforms: Kubernetes, Docker Swarm, OpenShift, Mesos, and CFCR.

Deepak Vohra's picture
Deepak Vohra
Big data code When to Use MapReduce with Big Data

MapReduce is a programming model for distributed computation on big data sets in parallel. It's a module in the Apache Hadoop open source ecosystem, and a range of queries may be done based on the algorithms available. Here's when it's suitable (and not suitable) to use MapReduce for generating and processing data.

Deepak Vohra's picture
Deepak Vohra
Phalcon logo Using the Phalcon PHP Framework with MySQL

Some PHP frameworks now support the model-view-controller (MVC) design pattern, most notably the open source Phalcon framework. Phalcon has the lowest level of overhead due to memory and CPU for MVC applications, and it supports object-relational mapping features. Here's how you can get started with Phalcon and MySQL.

Deepak Vohra's picture
Deepak Vohra
NSA NSA Adds to Open Source Tools and Tech Transfer Program

The National Security Agency recently released several of the agency’s software tools as open source and added new technologies to the NSA technology transfer program patent portfolio that are ready for licensing. Could leveraging any of these technologies help your efforts?

Pamela Rentz's picture
Pamela Rentz
kiwi bird Saving Birdsong: Using Machine Learning to Monitor Kiwi Birds and Possums

In an attempt to turn birdsong and predator monitoring into data that can help improve pest trapping ability, the Cacophony Project is an open-source conservation project employing technologies such as embedded systems, web applications, backend services, and machine learning pipelines.

Pamela Rentz's picture
Pamela Rentz
Logo for the Open Source Initiative The Challenges with Open Source Software

Using open source software is all the rage these days, and for good reason. Often teams don’t have the budget to purchase commercial tools, and without an open source solution, their productivity suffers. But open source is not a panacea. There are some challenges that can hit you hard if you aren’t careful.

Jeffery Payne's picture
Jeffery Payne