Blog

  • MariaDB – Continuous Availability

    Is it possible to have continuous availability in your data layer? It is critical to almost every organisation that their data is available and serves the needs of the business and customers at every moment of every day. The 9’s of Uptime Many people claim they have five 9’s of uptime and then a few…

  • MariaDB MaxScale — Replica Rebuild – Part 1

    Part 1 — Install MaxScale This multi-part series breaks down each section into easy logical steps. MaxScale MaxScale is a fantastic product produced by MariaDB, which has, over time, been developed into a must-have tool for anyone running MariaDB. It is unfair to think of it as ‘just’ a database proxy as it brings with it many…

  • MariaDB MaxScale — High Availability – Part 1

    MaxScale is a fantastic tool to bring high availability to your database layer, but, it is also important to make sure your MaxScale server is not a Single Point of Failure (spof). To protect against this, you can run two, or more MaxScale servers and configure your application to connect to them both without the need…

  • MariaDB MaxScale — Replica Rebuild – Part 6

    Part 6 — The Magic This multi-part series breaks down each section into easy logical steps. If you have not completed part 1, start here. Replica Rebuild The MaxScale Replica Rebuild functionality is amazing. It brings a ‘Galera-like’ rebuild process to any replica servers. These servers could be brand new servers, which just have MariaDB installed, or…

  • MariaDB MaxScale — Replica Rebuild – Part 7

    Part 7 — MaxScale Configuration continued This multi-part series breaks down each section into easy logical steps. If you have not completed part 1, start here. MaxScale Configuration To allow MaxScale to process database connections, we must set up a listener and a service.  It is possible to have a number of listeners and services to support…

  • MariaDB MaxScale — Replica Rebuild – Part 8

    Part 8— Sysbench Test This multi-part series breaks down each section into easy logical steps. If you have not completed part 1, start here. Sysbench Sysbench is a great tool for testing various parts of a system, one of the tests is a MySQL driver that allows us to test our MariaDB installation. We are…

  • MariaDB MaxScale — Replica Rebuild – Part 9

    Part 9 — Live connection tests This multi-part series breaks down each section into easy logical steps. If you have not completed part 1, start here. Failover tests Whilst this mini-series is about rebuilding replicas automatically with MaxScale, it also brings some amazing protection against failure of your database servers or the ability for you to take…

  • MariaDB Python Application

    In this blog, we are going to prepare a basic Linux server, with a Python Script to test connectivity to a MariaDB Database Server. The following steps are completed on a Rocky Linux 9 server but should work on most other flavours of Linux for example CentOS 7/8/9.

  • MariaDB Python Connector

    If you are new to Python or are struggling to find a complete step-by-step guide as to how to use the MariaDB Python Connector on Linux, then the following should take you from nothing to installation.