Author: Carlos Rolo

In this quick blog post, I’m going to assess how the databases that advertise themselves as “Cassandra API-compatible” fare in the compatibility department. But that is all I will do, only API testing, and not an extensive testing, just based…

In this blog post I will do a quick guide, with some code examples, on how to deploy a Kubernetes Job programmatically, using Python as the language of choice. For this I’m using GKE (Google Kubernetes Engine), logging via StackTrace…

In this blog, I’m going to give a detailed guide on how to monitor a Cassandra cluster with Prometheus and Grafana. For this, I’m using a new VM which I’m going to call “Monitor VM”. In this blog post, I’m…

Every now and then I find myself looking for a couple of commands I do often. In some other software/technologies we sometimes find a thing called a “cheatsheet” that displays the more used (and some more obscure commands) of that…

If you’re starting new or in the 3.0.x series: 3.11.2 Apache Cassandra 3.0 is supported until 6 months after 4.0 release (date TBD) If you’re in 2.x, update to the latest in the series (2.1.20, 2.2.12) Apache Cassandra 2.2 is supported…

Hello all! This is the second blog post in this mini-series (You can read the first one here.) This time I will go through the steps and demonstrate how to setup Vault to manage Cassandra credentials! Including generating, leasing, revoking,…

Hello all, I’m doing a mini-series of blog posts on using Cassandra and Hashicorp Vault. For the first blog in this series, I’ll look at using Cassandra as a Datastore for Vault secrets, then how to generate Cassandra secrets using Vault,…

What version for a Production Cassandra Cluster? tl;dr; Latest Cassandra 2.1.x Long version: A while ago, Eventbrite wrote: “You should not deploy a Cassandra version X.Y.Z to production where Z <= 5.” (Full post). And, in general, it is still…

Have you asked yourself, “why move to Cassandra?”. Pythian expert, Carlos Rolo, provides an analysis of why you should be the next one to move to Cassandra.

This is a short post about two things that should be on the to-do list for all Cassandra Administrators. The leap second issue and the new JMX default. The Leap Second Before we move on you should learn more about how…