Severalnines Blog
The automation and management blog for open source databases

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748 blog posts in 13 categories

Configuring PostgreSQL for Business Continuity

Business continuity for databases means databases must be continuously operational even during the disasters. It is imperative to ensure that production databases are available for the applications all the time even during the disasters, otherwise, could end-up being an expensive deal.

How to Replicate PostgreSQL Data to Remote Sites

In a busy database environment with larger size databases, the need for real-time data replication is a common occurrence. Applications often need the production data to be replicated in real-time to remote sites for analytics and other critical business operations needs. This blog provides an overview of several options you can use to replicate your PostgreSQL data to a remote site.

An Introduction to Database High Availability for MySQL & MariaDB

These days high availability is a must for any serious deployment. Long gone are days when you could schedule a downtime of your database for several hours to perform a maintenance. Making a database environment highly available is one of the highest priorities nowadays alongside data integrity. For a database, which is often considered the single source of truth, compromised data integrity can have catastrophic consequences.

How to Migrate from Oracle DB to MariaDB

Watch the replay of this webinar in which we walk you through all you need to know to plan and execute a successful migration from Oracle database to MariaDB.

HA for MySQL and MariaDB - Comparing Master-Master Replication to Galera Cluster

Replication and Galera Cluster are both widely used to implement high availability for MySQL/MariaDB, but when should you pick one over the other? What are the limitations of each solution, and what are the trade offs?
In this blog post, we will look at the differences in terms of data consistency, conflict resolution, failover, node provisioning and robustness.

How to Manage MySQL - for Oracle DBAs

So, you are an Oracle DBA and your manager asked you to migrate a couple of Oracle databases to MySQL. Databases are migrated, and now what? How do you manage these MySQL databases?

In this blog, we show you how Oracle DBAs can best manage MySQL by covering the basic operations of MySQL with reference to similar tasks in your Oracle environment.

High Availability on a Shoestring Budget - Deploying a Minimal Two Node MySQL Galera Cluster

Learn how to set up a Galera cluster with just 2 nodes and use Garbd to retain high availability.

Benchmarking Managed PostgreSQL Cloud Solutions - Part One: Amazon Aurora

A multi-part series of articles on PostgreSQL benchmarking in the cloud. Part one is an overview of available benchmarking tools for PostgreSQL followed by testing Amazon Aurora PostgreSQL based on the Amazon Guide for Benchmarking PostgreSQL.

Dealing with Unreliable Networks When Crafting an HA Solution for MySQL or MariaDB

Networks may not be always stable or reliable, but your database clusters have to. This blog discusses the things to keep in mind when designing an HA solution for MySQL or MariaDB, deployed across potentially unreliable networks.

Migration from Oracle Database to MariaDB - A Deep Dive

Following our recent blogs showcasing how to migrate from Oracle to MySQL/Percona, then to MariaDB and what you should know, this blog offers extra thoughts and insights before you plan to migrate to MariaDB.