MySQL administration, performance tuning, replication and high availability.
How to extend a single-instance MySQL test environment to a primary with two replicas using Docker or Multipass, covering GTID-based replication configuration and two approaches to seeding replica data: mysqldump and data directory snapshot.
How to build a disposable MySQL test environment using Docker or Multipass, load it with realistic datasets at three scales (sakila, employees, IMDb), and use it for version upgrade and performance tuning practice.
AWK scripts for converting between IP addresses and decimal numbers – and why this makes a reliable source of unique server IDs for MySQL replication clusters and other distributed systems.