In this blog post, we are going to look into some key metrics and status when monitoring a Percona Server for MySQL to help us fine-tune the MySQL server configuration for a long run. Just...

Percona Server for MySQL 8.0 offers a number of clustering solutions for high availability out-of-the-box: Single-master: Asynchronous replication Semi synchronous replication Multi-master: Group replication InnoDB Cluster (a combination of MySQL Router, MySQL Shell and Percona...

Security of data is critical for any organisation. It’s an important aspect that can heavily influence the design of the database environment. When deciding upon which MySQL flavour to use, you need to take into...

As we wrap up our last blog of 2017 we wanted to reflect on what content we have been creating that’s been resonating and generating the most interest with our readers. We will continue to...

Helping users securely automate and manage their open source databases has been at the core of our efforts from the inception of Severalnines. And ever since the first release of our flagship product, ClusterControl, it’s...

Many thanks to everyone who participated in this week’s webinar on how to manage MongoDB and Percona Server for MongoDB! The replay is now available for viewing online. For this webinar we’d teamed up with...

Galera Cluster is a synchronous multi-master replication plugin for InnoDB or XtraDB storage engine. It offers a number of outstanding features that standard MySQL replication doesn’t - read-write to any cluster node, automatic membership control,...

Back in the days when somebody said MySQL, there was only the MySQL. You could pick different versions (4.0, 4.1) but the vendor was the same. This changed around MySQL 5.0/5.1 when Percona decided to...

Database security is a broad subject that stretches from pre-emptive measurements to keeping unwanted visitors out. Even if you would be able to secure your MongoDB servers fully, you still would like to know if...

The MySQL database workload is determined by the number of queries that it processes. There are several situations in which MySQL slowness can originate. The first possibility is if there is any queries that are...

We recently made a number of enhancements to the ClusterControl Ansible Role, so it now also supports automatic deployment of MySQL-based systems (MySQL Replication, Galera Cluster, NDB Cluster). The updated role uses the awesome ClusterControl...