​I have been thinking about how I could streamline my deployment and configuration of MariaDB with salt for a while now. When I decided to give it a shot, I didn't find any formulas that I liked, so I decided to start writing my own. Currently, my salt formula can deploy MariaDB 5.5, MariaDB Galera Cluster 5.5, MariaDB 10.0, or MariaDB Galera Cluster 10.0 to a CentOS 6 or 7 server.

I ran into this error today while working with ROLES, bundled privileges for a group of users (a nice addition in MariaDB 10.0):

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MaxScale ModulesMaxScale’s filter system is very flexible and enables a new way of interacting with queries. The upcoming firewall filter shows just one of the many ways that you can control and manage the flow of queries through MaxScale.

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If you are a DBA or system administrator, you should already be familiar with Percona Xtrabackup, the free hot backup tool for MariaDB and MySQL, and you probably use it to take onsite backups of your production databases.

But what if the backup server is inaccessible because of an outage, or the data has been corrupted? Offsite backups should also be part of a complete disaster recovery strategy.

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Nagios, one of the most popular hardware, network, and application monitoring tools, can also handle advanced MariaDB monitoring. With Nagios you can monitor the MariaDB server and its performance, as well as individual MariaDB databases and the information in them.

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This new blog series will be about how to easily automate common MariaDB administration tasks using Ansible. We will showcase how to automatically install and configure software such as MariaDB server, MariaDB Galera and MaxScale with ease in reproducible environments.

When I started my career in early nineties, the Internet, the open source software movement and the Linux operating system were in their infancy and MariaDB and MySQL did not exist. Today open source is a mainstream software delivery mechanism, and web applications are built upon open source stacks which include Linux and MariaDB. Sybase was the first relational database I worked with - a then leading relational technology in early nineties.

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Applications are often built on top of single MySQL-compliant database instance but often there is a need for more performance and/or availability than what one database instance can provide. Adding slaves or replacing standalone database server with full-fledged MySQL-compliant cluster often requires changes to the application.

My relationship with Colt Engine, the Italian Joomla! Provider started in March 2011, when SkySQL was still a very “young” company and they got in touch with me to have more details on our new company. Since then many things happened on both the SkySQL (and then MariaDB) and the Colt Engine side. During the last two years they become a strong contributor to the MaxScale project (this will be better explained in a blog post later).

MariaDB MaxScale is now RC and together with all the MariaDB team that has been involved in the project we need to thank all the companies that agreed to become part of the MaxScale Beta Test Plan. This major step in the MaxScale life (read more here) had an important impact on the MaxScale QA process.

We have asked some companies to help us in testing MaxScale in “real” environments with different custom settings, different configurations and with traffic load as close to reality as possible.

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