This article explores deploying MariaDB with Galera replication on a small-scale Kubernetes setup using four Orange Pi 3 LTS boards. It documents the author's hands-on experience, focusing on the installation of K3s—a lightweight Kubernetes distribution. The article offers insights into the MariaDB Kubernetes Operator, which has gained traction since its development. Although the setup avoids best practices and security measures for simplicity, it serves as a practical guide for those wanting to explore running databases in Kubernetes environments.
I went small and real: four Orange Pi 3 LTS boards, each with just 2GB RAM, to deploy MariaDB on Kubernetes using the official Operator.
The MariaDB Kubernetes Operator has been in development since 2022 and is steadily growing in popularity. It’s also Red Hat OpenShift Certified.
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