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543 blog posts in 13 categories

MySQL on Docker: Running a MariaDB Galera Cluster without Container Orchestration Tools - Part 1

Container orchestration tools do not always play nicely with database clusters. In this blog post, we are going to look into how to run a MariaDB Galera Cluster on Docker containers using the standard Docker image on multiple Docker hosts without the help of orchestration tools like Swarm or Kubernetes.

ClusterControl Release 1.6.1: MariaDB Backup & PostgreSQL in the Cloud

New Backup Management features for MariaDB, Deployment & Configuration Management features for PostgreSQL in the Cloud as well as a new Monitoring & Alerting feature with the integration with ServiceNow. This blog provides an overview of the new features in the ClusterControl 1.6.1 release.

Multi Datacenter setups with PostgreSQL

This blog details steps you can take to setup multi-datacenter setups for PostgreSQL.

How to Recover Galera Cluster or MySQL Replication from Split Brain Syndrome

Split brain syndrome is a state where a cluster of nodes is partitioned into smaller clusters of equal numbers of nodes, and each cluster believes it is the active cluster. This is a harmful state, as data is changed on a partition, without being replicated to the other. This blog post describes how to prevent a split brain from happening, and what can be done if it does happen.

Why is PostgreSQL Running Slow? Tips & Tricks to Get to the Source

This blog provides tips and tricks for identifying issues in your PostgreSQL setup and how to tune it to drive performance.

Watch the Replay: How to Migrate to Galera Cluster for MySQL & MariaDB

Watch the replay of this webinar on how to migrate to Galera Cluster for MySQL & MariaDB. Severalnines Support Engineer Bart Oles walks us through what you need to know in order to migrate from standalone or a master-slave MySQL/MariaDB setup to Galera Cluster.

Optimizing Your Linux Environment for MongoDB

This blog details the steps you should take to setup your environment to optimally run a MongoDB setup.

PostgreSQL Streaming Replication - a Deep Dive

In this blog, we are going to review a little bit of the history of PostgreSQL built-in replication features, and deep dive into how streaming replication works.

PostgreSQL Audit Logging Best Practices

This blog provides an introduction to audit logging, why you should do it, and specific tips for doing it on your PostgreSQL database environment.

Integrating PostgreSQL with Authentication Systems

This blog provides an overview of popular authentication systems based on LDAP, Kerberos and RADIUS, and how to integrate them with your PostgreSQL database.