Is there more to Kafka than the usual producer and consumer APIs? Kafka, the event streaming platform, is usually known for its producer and consumer APIs allowing applications to write, store and retrieve events from the platform in a decoupled way. In the age of ubiquity of compute resource and huge volume of data being generated, it offers the p...

One of our customers uses self-signed certificates for some internal processes. From a technical perspective, they work as expected. Problems arise after about one year, when the certificates expire. Since they are not officially signed, no one watches them to check when they expire. I was wondering if there was a way to set up an easy watch and al...

We have already reported several times about the MySQL InnoDB Cluster and the associated components such as the MySQL Shell and the MySQL Router (e.g., https://blog.ordix.de/mysql-shell-cluster-your-application-in-40-minutes). With version 8.0.28 there is another innovation in this "triumvirate". The InnoDB ClusterSets. This allows the DBA to comfo...

A few months ago, Oracle published the new MySQL HeatWave feature for the Oracle Cloud Infrastructure (OCI), which promised to speed up analysis and transactional queries on your MySQL database without big effort. By using so called "HeatWave-Engines" (or "RAPID-Engines") in addition to the original MySQL instance, customers will be able to us...

Repeatedly customers ask us how to set the most important parameters of the InnoDB storage engine. But the answer can be amazingly simple for MySQL Version 8.0: innodb_dedicated_server = ON Don't think twice it is alright? With MySQL 8.0 the InnoDB engine is the de facto standard for operating MySQL databases. A wise configuration of the most impor...

The MySQL binary log is of particular importance for the operation of critical databases. It is the central point for DR and/or backup concepts. We have already talked about the mechanism and benefits of this "log file" in many places in this blog. With version 8.0.20, it is now possible to use compression. We will report on this topic in the follo...