Recently, PeterZ pointed a huge difference in memory usage of MySQL 8.0 compare to MySQL 5.7. This can be an issue for small instances if the same configuration for buffers like the buffer pool are not changed. As explained in…
When somebody wants to migrate from a single MySQL instance to a full HA solution using MySQL InnoDB Cluster, the best solution to reduce the downtime is to use asynchronous replication and switch database only once at a certain point…
In MySQL 8.0, when using invalid values for date data types, an error is returned. This was not the case in 5.x versions.
You may have noticed that in many of my demos, I disable firewall and SELinux (I even use –initialize-insecure sometimes 😉 ). This is just to make things easier… But in fact enabling iptables and SELinux are not complicated.
You have seen in this previous post, that since 8.0.17, it’s now possible to query the MySQL Router using its REST API. Additionally, we also saw in this post, that since 8.0.17, we are now able to write extensions to…
From Drupal’s website, we can see that now the support of MySQL 8 is ready. I just tested it and it works great ! The only restriction is related to PHP and the support for the new authentication method in…
I have already posted some time ago a post related to the same topic (see here). Today, I want to explain the easiest way to create an asynchronous replica from an existing MySQL instance, that this time has already data…
With MySQL Shell 8.0.17, a super cool new feature was released: the MySQL Shell Extensions & Plugins ! You will be able to write your own extensions for the MySQL Shell. You may already saw that I’ve written some modules…
Since MySQL 8.0.16, the Router as the possibility to launch an internal webserver (see Jan’s blog post). Even if this webserver could serve static files, it was the first piece of a much more interesting solution that is now available…
Create a MySQL InnoDB Cluster using MySQL 8.0 has always been very easy. Certainly thanks to MySQL Shell and server enhancements like SET PERSIST and RESTART statement (see this post). The most complicated part to deal with was the existing…
MySQL Roles are becoming more and more popular. Therefor, we receive more and more questions related to them. First I encourage you to read this previous 2 posts: MySQL 8.0 Roles and GraphML MySQL 8.0: Listing Roles In this post,…
MySQL supports different types of Indexes. They depend on the storage engine and on the type of data. This is the list of supported indexes: B-trees (the most common) R-trees (for spatial data) Hashes (for Memory engine) Inverted (for InnoDB…
As MySQL Community Manager, I am an employee of Oracle and the views expressed on this blog are my own and do not necessarily reflect the views of Oracle.
You can find articles I wrote on Oracle’s blog.