(Corrado Pandiani) This blog is the first part of a two-articles series. In this article, I’m going to introduce the Common Table Expression (CTE), a new feature available on MySQL 8.0, as well as Percona Server for MySQL 8.

(Sri Sakthivel Durai Pandian) Yes, INSERT’s with the ROLLBACK can also create the table fragmentation . In this blog I am going to explain how the INSERT is causing the table fragmentation .

(Vadim Tkachenko) As our Percona Kubernetes Operator for Percona XtraDB Cluster gains in popularity, I am getting questions about its performance and how to measure it properly.

(Krzysztof Ksiazek) The I/O performance is vital for MySQL databases. Data is read and written to the disk in numerous places. Redo logs, tablespaces, binary and relay logs.

When a client tries to log into MySQL it may sometimes be rejected and receive an error message saying that there are “too many connections“. This means that the maximum number of clients that may be connected to the server has been reached.

(Sri Sakthivel Durai Pandian) Recently I had the discussion with one of my colleague about the impact of MySQL binary logs. It was a nice discussion and triggered me further to benchmark the MySQL with/without binary logs.

(Marco Tusa) In the many years we have used MySQL, we got accustomed to the fact that upgrades from MySQL 5.7.11 to 5.7.12 was a minor event. This meant that if something was going wrong, we could roll back the binaries and be happy again.

(Luis Soares) Here comes another MySQL release, and together with it, a set of new replication features. As usual, we would like to summarize them. And, also as usual, follow up blogs will provide further details.

(Walter Garcia) If you are thinking of using ProxySQL in our Percona XtraDB Cluster environment, I’ll explain how to use ProxySQL 2 for failover tasks.

(Rene Ramirez) The MySQL Development team is proud to announce version 8.0.19 of the MySQL Shell, with the following features: