Recently, I was puzzled by MySQL replication ! Some weird, but completely documented, behavior of replication had me scratching my head for hours. I am sharing this war story so you can avoid losing time like me (and also maybe avoid corrupting your data when restoring a backup). The exact justification will come in a follow-up post, so you can also scratch your head trying to understand what
Some months ago, Shlomi Noach published a series about Service Discovery. In his posts, Shlomi describes many ways for an application to find the master. He also gives detail on how these solutions cope with failover to a slave, including their integration with Orchestrator.
This is a great series, and I recommend its reading for everybody implementing master failover, with or without