ProxySQL has gained a lot of interest right now in the MySQL and MariaDB database world, not to mention ClickHouse which helps make the case for ProxySQL.  It’s safe to say that ProxySQL has become...

Mysqldump is the most popular logical backup tool for MySQL. It is included in the MySQL distribution, so it’s ready for use on all of the MySQL instances.  Logical backups are not, however, the fastest...

Using a Load Balancer is a good idea for any database technology, as you can redirect applications to the available or healthy database nodes and even distribute the traffic across multiple servers to improve performance....

Backups are the means of protecting from data loss - should something happen, you can easily restore it from the backup. You cannot predict what part of the data will have to be restored -...

Previously, we wrote about Setting Up a Geo-Distributed Database Cluster Using MySQL Replication. This time, it's about PostgreSQL. Setting up a geo-distributed cluster for PostgreSQL is not a new concept and the topology is quite...

There are different reasons for adding a load balancer between your application and your database. If you have high traffic (and you want to balance the traffic between different database nodes) or you want to...

MySQL slaves may become inconsistent. You can try to avoid it, but it’s really hard. Setting super_read_only and using row-based replication can help a lot, but no matter what you do, it is still possible...

Database security requires careful planning, but it is important to remember that security is not a state, it is a process. Once the database is in place, monitoring, alerting and reporting on changes are an...

A single point of failure (SPOF)  is a common reason why organizations are working towards distributing the presence of their database environments to another location geographically. It's part of the Disaster Recovery and Business Continuity...

If you have a PostgreSQL cluster up-and-running, and you need to handle data that changes with time (like metrics collected from a system) you should consider using a time-series database that is designed to store...

PostgreSQL Streaming Replication is a great way of scaling PostgreSQL clusters and doing it adds high availability to them. As with every replication, the idea is that the slave is a copy of the master...

PostgreSQL is designed to handle multiple threads, such as query parallelism, or deploying worker threads to handle specific tasks based on the assigned values in the configuration. But, sometimes replication lag  and other issues can...