Moving from MySQL 5.7 to MySQL 8.0 – What You Should Know
April 2018 is not just a date for the MySQL world. MySQL 8.0 was released there, and more than 1 year after, it’s probably time to consider migrating to this new version. MySQL 8.0 has...
Cluster-Wide Database Maintenance and Why You Need It
Undoubtedly, there is a long list of maintenance tasks that have to be performed by system administrators, especially when it comes to critical systems. Some of the tasks have to be performed at regular intervals,...
What's New in PostgreSQL 12
On October 3rd 2019 a new version of the world's most advanced open source database was released. PostgreSQL 12 is now available with notable improvements to query performance (particularly over larger data sets and overall...
What to Test Before Upgrading to MySQL 5.7
As we saw in a previous post, there are some important changes between MySQL 5.6 and 5.7. Since the behaviour of some existing features been altered, some detailed testing of the upgrade is in order....
Understanding What Has Changed Between MySQL 5.6 and 5.7 Before Upgrading
MySQL 5.7 has been GA since October 2015. At the time of writing, it is still a very new release. But more and more companies are looking into upgrading, as it has a list of...
Webinar Replay: How to Upgrade to MySQL 5.7
Thanks to everyone who participated in this week’s live webinar on how to upgrade to MySQL 5.7. If you missed the session and/or would like to watch the replay in your own time, it is...
Webinar Replay: Performing Live Database Upgrades in Replication & Clustered Setups
Thanks to everyone who joined us for our recent live webinar on performing live database upgrades for MySQL Replication & Galera, led by Krzysztof Książek. The replay and slides to the webinar are now available...
How to Preform an Online Upgrade of MariaDB Galera Cluster 5.5 to MariaDB 10
The MariaDB team released a GA version of MariaDB Galera Cluster 10 in June 2014. MariaDB 10 is the equivalent of MySQL 5.6, and therefore, packed with lots of great features. In this blog post,...
How to Perform an Online Upgrade of Galera Cluster to MySQL 5.6
Oracle released a GA version of MySQL 5.6 in February 2013, Codership released the first GA in their patched 5.6 series in November 2013. Galera Cluster for MySQL 5.6 has been around for almost 2...
An Overview of MySQL Database Upgrades
Database vendors typically release patches with bug/security fixes on a monthly basis, why should we care? The news is full of reports of security breaches and hacked systems, so unless security is not a concern,...
HowTo: Offline Upgrade of Galera Cluster to MySQL 5.6 or MariaDB 10
MySQL 5.6 has an extensive list of new features and changes, so upgrading from a previous version can be risky if not tested extensively. For this reason, we recommend our users to read and understand...
Heartbleed OpenSSL Bug: Impact on ClusterControl Users & Recommendations on How to Protect Your Systems
In the wake of recent concerns and debates raised around the Heartbleed bug, we wanted to update Severalnines ClusterControl users on any impact this bug might have on ClusterControl & associated databases and/or applications. Background...