Severalnines Blog
The automation and management blog for open source databases

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748 blog posts in 13 categories

Database-Aware Load Balancing: How to Migrate from HAProxy to ProxySQL

HAProxy is a great piece of software, but it may just not be enough for more demanding users and environments. How do you migrate from HAProxy to ProxySQL? This blog post explains the process and shows how ClusterControl can help.

Popular Docker Images for MySQL and MariaDB Server

There are many Docker images for MySQL and MariaDB, but which one should you use? This blog post lists the most popular Docker images that can be found on Docker Hub, the world's largest library and community for container images.

How to Deploy PostgreSQL to a Docker Container Using ClusterControl

Deploying a single PostgreSQL instance on Docker is fairly easy, but deploying a replication cluster requires a bit more work. In this blog, we’ll see how to deploy PostgreSQL on Docker and how we can make it easier to configure a primary-standby replication setup with ClusterControl.

How to Execute and Manage MySQL Backups for Oracle DBA’s

Whether you’re planning to migrate from Oracle database to MySQL or run your new project with MySQL, you need to know how to do copies of your data. In this blog post, we will cover some of the most typical cases of the data backups with reference to Oracle backup methods. We will tell you how to guard yourself against data loss, what tools and commands to use, and how can you recover your data.

How to Automate Database Failover with ClusterControl

It might not be possible to avoid disasters, but with some preparation, it is certainly feasible to reduce the impact on your business. Automatic failover is one of those things. The goal of database failover automation is to minimize your downtime and reduce loss of money. However, failover can not always be automated as there are risks; false positives may lead to unnecessary escalations.

In this blog, we’ll have a look components you may use to build an automated stack, and take a closer look at ClusterControl’s failover functionality.

What’s New in ProxySQL 2.0

ProxySQL 2.0 has been released recently with quite a few interesting features, including causal reads, SSL for frontend connections and native support for Galera Cluster. In this blog post, we will explore these new features.

Introducing ClusterControl Spotlight Search

The new ClusterControl Spotlight Search can speed up your daily workflow and give you the ability to execute actions, go to pages and search for features in seconds... without leaving the keyboard. In this blog we’ll show you how it works!

How to Use pgBackRest to Backup PostgreSQL and TimescaleDB

Managing backup environments can be complex, and, in case of failure, it’s important to reduce downtime and loss of data as much as possible. Full, differential and incremental backups are good options, they also help reduce the disk space usage. There are other important features like backup verification, uploading to remote systems or cloud, and compression, to complete our backup strategy. In this blog, we’ll see how we can use pgBackRest for backing up PostgreSQL and TimescaleDB and how we can manage all of these features from the same system.

Benchmarking MongoDB - Driving NoSQL Performance

Database systems are crucial components in the cycle of any successful running application. Every organization involving them therefore has the mandate to ensure smooth performance of these DBMs through consistent monitoring and handling minor setbacks before they escalate into enormous complications that may result in an application downtime or slow performance. This blog shows you how you can ensure you achieve MongoDB system performance.

An Overview of Streaming Replication for TimescaleDB

TimescaleDB uses a stream of write-ahead log (WAL) records to keep the standby databases synchronized. In this blog, we’ll review some concepts related to Streaming Replication and how ClusterControl can help us configure it in an easy way.