The typical MySQL DBA might be familiar working and managing an OLTP (Online Transaction Processing) database as part of their daily routine. You may be familiar with how it works and how to manage complex...

While it shares the same heritage with MySQL, MariaDB is a different database. Over the years as new versions of MySQL and MariaDB were released, both projects have differed into two different RDBMS platforms. MariaDB...

This blog is aimed at explaining an overview of cross replication between PostgreSQL and MySQL, and further discussing the methods of configuring cross replication between the two database servers. Traditionally, the databases involved in a...

In one of the previous blogs, we covered new features which are coming out in MariaDB 10.4. We mentioned there that included in this version will be a new Galera Cluster release. In this blog...

Here we are. Almost two decades into the 21st century and the need for more computing power is still an issue. Technology companies are pounding the pavement to tackle this massive problem head-on. Hardware engineers...

Manual deployments are common, but they can be slow and monotonous, if you ever tried Oracle RAC installation with Data Guard setup on more than three nodes, you know what I mean. Depending on the...

MariaDB 10.4 is a current development branch of MariaDB. Recently, on the 21st of May, the third Release Candidate (10.4.5) was released, bringing us closer to the official release. That’s why we thought it might...

Nowadays, Docker is the most common tool to create, deploy, and run applications by using containers. It allows us to package up an application with all of the parts it needs, such as libraries and...

While this storage engine has been deprecated as far back as MongoDB version 4.0, there are some important features in it. MMAPv1 is the original storage engine in MongoDB and is based on mapped files....

Database migrations don’t scale well. Typically you need to perform a great deal of tests before you can pull the trigger and switch from old to new. Migrations are usually done manually, as most of...

Technology changes day-by-day and modern applications need to take serious adjustments in order to fulfill the fast delivery expectations of their organizations. Unfortunately, this makes them more complex, more sophisticated, and harder to maintain. In...

Time-series databases, as the name suggests, are designed to store data that changes with time. This can be any kind of data which was collected over time. It might be metrics collected from some systems,...