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  • 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 — 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 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 Java Application

    In this blog, we are going to prepare a basic Linux server, with a Java 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 Java Connector

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

  • MariaDB MaxScale — High Availability – Part 2

    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 2

    Part 2 — Install Database Servers This multi-part series breaks down each section into easy logical steps. If you have not completed part 1, start here. MariaDB Enterprise Server Installation On the remaining three servers, we are going to install MariaDB’s Enterprise Server. MariaDB Enterprise Server is a product that requires a license. You could use a…

  • MariaDB MaxScale — Replica Rebuild – Part 3

    Part 3 — Create MaxScale Database Users This multi-part series breaks down each section into easy logical steps. If you have not completed part 1, start here. Creation of Database Users for MaxScale On one database server only, we will use ‘Server 1’, you will need to create some database users that will be used by MaxScale.  MaxScale…

  • MariaDB MaxScale — Replica Rebuild – Part 4

    Part 4— Configure SSH access This multi-part series breaks down each section into easy logical steps. If you have not completed part 1, start here. SSH Configuration For MaxScale to communicate with the database servers to be able to rebuild the replica servers, we must configure a passwordless user with an SSH key. This means…

  • MariaDB MaxScale — Replica Rebuild – Part 5

    Part 5 — Configure MaxScale This multi-part series breaks down each section into easy logical steps. If you have not completed part 1, start here. MaxScale Configuration To configure MaxScale various parts need to be completed. We will be using the MaxScale Config Sync to save the configuration within our database. This is a good thing, as…