Blip is a new open source MySQL metrics collector, or “MySQL monitor” for short. But isn’t collecting MySQL metrics easy? And don’t we already have some open source MySQL monitors? Let’s take a trip down memory lane…

MySQL Community Advent Calendar 2022 - Drupal is a popular open-source content management system (CMS) that is used by businesses, governments, and organizations around the world to build and manage websites. It is known for its flexibility, scalability, and security features.

With MySQL Cluster you can now from version 8.0.31 use transparent data encryption (TDE). Together with the encrypted backup feature it encrypts all data persisted on disk for tables that uses the Ndb storage engine in MySQL. This complements other already existing features that encrypts data at rest in MySQL.

The developer interviews I publish in the OpenLampTech publication always seem to be a big hit. I enjoy them and learn so much from other developers. This week, I’m reposting another recently published fantastic interview.

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This developer interview is with Shawna Brookes, a self-taught full-stack LAMP stack developer. Shawna is making a path all her own and working on a vision for a better web experience.

Don’t miss this interview. Head over to the OpenLampTech publication page and …

MySQL Community Advent Calendar 2022 - Day 20 : Dealing with dates and times can be a tricky task. In this post, we will explore the various ways in which you can store and manipulate date and time data in MySQL 8.0 Document Store.

MySQL HeatWave Database Service is available globally in 34 Oracle Cloud Infrastructure commercial regions. The most recent addition is Chicago in the United States.

MySQL Community Advent Calendar 2022 - In this blog post, we will discuss how to display long transactions in MySQL 8.0.

We recently covered Upgrading your Galera Cluster from MySQL 5.7 to MySQL 8.0. We’ve also had questions on how the upgrade path from our usual Galera Cluster “community” edition to the Galera Cluster Enterprise Edition (EE), which includes many new features, like XA transaction support, arm64 support or GCache encryption.

First off, let’s start by installing a Galera Cluster on CentOS 7. The reason we have picked this distribution? Let’s edit the /etc/yum.repos.d/galera.repo and add:

[galera4]
name = Galera
baseurl = https://releases.galeracluster.com/galera-4/centos/7/x86_64
gpgkey = https://releases.galeracluster.com/GPG-KEY-galeracluster.com
gpgcheck = 1

[mysql-wsrep8]
name = MySQL-wsrep
baseurl = https://releases.galeracluster.com/mysql-wsrep-8.0/centos/7/x86_64
gpgkey = …

AlmaLinux generally has Java installed. You can check whether java is installed with this command:

which -a java

It should return:

/usr/bin/java

Then, you can check the Java version with this command:

java -version

For AlmaLinux 9, it should return:

openjdk version "11.0.17" 2022-10-18 LTS
OpenJDK Runtime Environment (Red_Hat-11.0.17.0.8-2.el9_0) (build 11.0.17+8-LTS)
OpenJDK 64-Bit Server VM (Red_Hat-11.0.17.0.8-2.el9_0) (build 11.0.17+8-LTS, mixed mode, sharing)

Next, you check whether javac is installed. You can use the which command to determine whether it is installed. Generally, its not installed and you use this command to

sudo dnf search jdk | egrep -- '-17'

It should return:

Last metadata expiration check: 0:11:17 ago on Mon 19 Dec 2022 11:32:48 PM EST.
java-17-openjdk.x86_64 : OpenJDK 17 Runtime Environment
java-17-openjdk-demo.x86_64 …

MySQL Community Advent Calendar 2022 - In this blog post, we will show how to use Oracle Cloud Infrastructure (OCI) Serverless Functions and API Gateways to create logical dumps of a MySQL Database Service.

First, we will set up an OCI Serverless Function and an API Gateway, which will allow us to trigger the dump process via an HTTP request.