HWJP meetup 2/2024

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Disclaimer: The majority of examples in this post, are performed in a personal development/learning workstation environment and should not be considered production quality or ready. Your particular goals and needs may vary. Like always, just because …

To be honest, the comparison between the two MySQL distributions is not something that excited me a lot. Mainly because from my MySQL memories, I knew that there is not a real difference between the two distributions when talking about the code base.To my knowledge the differences in the enterprise version are in the additional […]

Are your MySQL users using ‘password’, ‘s3cr3t’, or ‘thebossisajerk’ as their passwords? Easy-to-guess passwords can be disastrous to the security of your data, but there is a way to exclude inappropriate words or phrases from being used. The first step is to compile a list of words and phrases you want to exclude, and that […]

This post goes through installing and configuring Ruby and Ruby on Rails for MySQL. The first step requires updating the Ubuntu OS:

sudo apt-get update

Interestingly, I found that the man-db service had inadvertently stopped. It raised the following error:

E: dpkg was interrupted, you must manually run 'sudo dpkg --configure -a' to correct the problem. 

You run this command to find the problem with the dpkg utility:

sudo dpkg --configure -a

It returned:

Setting up man-db (2.10.2-1) ...
Updating database of manual pages ...
man-db.service is a disabled or a static unit not running, not starting it.

The following command started the man-db service:

sudo systemctl start man-db.service

Next, you install the prerequisite packages with this command:

sudo apt-get install -y git-core zlib1g-dev build-essential libssl-dev libreadline-dev libyaml-dev …

In MySQL 8.3, TLS can be used to secure the network protocols used inside MySQL NDB Cluster

FOSDEM is for sure one of the most respected free and open source software-focused conferences in Europe, which is loved by many, myself included. It is from the point of love I am raising concerns about transparency, which seems to be lacking in regard to some processes at FOSDEM.For many years, as long as I […]

As a new Oracle employee working in the External Standards and Community Engagement group in the Czech Republic, I was happy to attend the first MySQL User Group meeting happening for after some time of inactivity in Prague. While I am not working directly on the MySQL team, I was interested to learn more about MySQL and MySQL Heatwave. The Prague MySQL User Group held this meeting in the beautiful Oracle Prague office space.

Galera Manager supports three modes for supporting your Percona XtraDB Clusters: deploying to either Amazon Web Services, deploying to your own on premises hosts, and also just monitoring your clusters. In this blog post, we will go thru houw you should deploying a 3-node Percona XtraDB Cluster via Galera Manager on Amazon Web Services Elastic Compute Cloud (AWS EC2). You will realise that this process happens with just a simple API key and instance selection, so effectively you can have a Galera Manager setup in under fifteen minutes!

On AWS EC2, it is worth noting that Galera Manager itself can be deployed on the free tier for testing purposes. However, in production environments, you might expect up to 100GB of logs on a monthly basis, so you should plan accordingly.

Obtain Galera Manager by …

It is a known good practice to keep only necessary indexes to reduce the write performance and disk space overhead. This simple rule is mentioned briefly in the official MySQL Documentation:https://dev.mysql.com/doc/refman/8.0/en/optimization-indexes.htmlHowever, in some cases, the overhead from adding a new index can be way above the expectations! Recently, I’ve been analyzing a customer case like […]