Severalnines Blog
The automation and management blog for open source databases

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14 blog posts in 13 categories

ClusterControl Tips and Tricks: Running ClusterControl on PHP 7

PHP 5 is deprecated since early this year, which may cause some concerns when running ClusterControl. This blog post shows you how to run ClusterControl on PHP 7.

How to Upgrade PostgreSQL10 to PostgreSQL11 with Zero Downtime

The old way to accomplish upgrades on PostgreSQL used to be using pg_upgrade, dumping and restoring, or using some third party tools, all of them with their own caveats. Nowadays, PostgreSQL allows us to use logical replication which, in contrast to physical replication, you can replicate between different major versions of PostgreSQL. In this blog, we're going to see how we can upgrade our PostgreSQL 10 to PostgreSQL 11 with zero downtime using logical replication.

An Overview of the New Stored Procedures in PostgreSQL 11

The recent release of PostgreSQL 11 included the introduction of stored functions that allow users to use embedded transactions within a procedure. In this blog we deep-dive into this new PostgreSQL feature.

What's New in PostgreSQL 11

This blog provides an overview of the new features and functions that can be found in PostgreSQL 11 including stored functions, partitioning, and much more!

Upgrading Your Database to PostgreSQL Version 10 - What You Should Know

This blog offers a short summary of how you can perform a PostgreSQL 10 upgrade, including what method to chose, how to prepare and what to check for after the upgrade is complete.

Upgrading to the ClusterControl Enterprise Edition

This blog details how to upgrade from the ClusterControl Community Edition to the Enterprise Edition and the value it brings to your database infrastructure.

Announcing ClusterControl 1.5 - Featuring Automatic Backup Verification and Cloud Upload

This blog provides an overview of the new features and functions contained in the ClusterControl 1.5 release.

Database Security - MySQL Upgrade Instructions for Zero-day Exploit

This blog shows you how to upgrade your MySQL and MariaDB databases, in order to address CVE-2016-6662 - a publicly disclosed vulnerability in MySQL.

Performing a Live Upgrade to MySQL 5.7

Once we’ve tested that our application works with MySQL 5.7, what is the best way to introduce 5.7 in our live environment? How can we minimize risks? What tools can help facilitate the process?

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What to test before upgrading to MySQL 5.7

With the behaviour of some existing features changing in MySQL 5.7, how do you ensure an upgrade will not adversely affect your applications? This blog post looks at how to prepare and perform regression tests.

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