Tag: Galera

When you have multiple database servers working together as nodes in a cluster, it’s beneficial to understand how data consistency is established. In this post, we’re going to take a look at the various cluster consistency levels that you can…

When we explore strategies to scale our MySQL-based database layer, we realize that there are many different options. As opposed to proprietary solutions, open-source products nourish themselves from their communities and novel architectures or enhanced versions are generated, often incorporating…

Overview While working on a MySQL Galera cluster with ProxySQL, I was in the process of testing traffic going to the MySQL nodes by using the @@hostname command to ensure which MySQL host behind the proxy the query ran on….

Recently we faced an issue where the config management software had automatically upgraded the mariadb-server-10.1 package to the latest 10.1.31 version. This upgrade broke the galera cluster setup for this installation. I’ve started to recreate this issue in my local…

High availability for MySQL has become increasingly relevant given the ever increasing rate of adoption and implementation. It’s no secret to anyone in the community that the popularity of MySQL has become noteworthy. I still remember my start with MySQL…