MariaDB / MySQL Performance Tuning and Optimization: Avoiding ORs in Queries

ORs in SQL queries are bad for performance. Here we describe a technique for doing away with the ORs to improve performance while still retaining functional equivalence of the query.

How to Reduce RDS Costs on AWS

AWS, and RDS in particular, can be very expensive. In this article we discuss techniques that can be used to reduce costs without compromising performance.

PMM Missing Disk Stats Fix with Kernels 4.19+

PMM fix for missing disk stats/metrics on newer kernels.

MySQL / MariaDB InnoDB and File System Alignment

MariaDB / MySQL on ZFS

Podcast Relational Databases – Coding with Holger

Virtualization Performance – or lack thereof