Here at Pythian we get a lot of exposure to new technologies and implementation strategies via the work we do internally and for our clients. The most noteworthy technology stack that I’ve seen get a lot of traction in the MySQL community recently is the high availability stack including Orchestrator, Consul and ProxySQL.
I won’t dive too deeply into the details of this implementation as there are several blog posts that our team has submitted on this topic, but the key thing I want you to keep in mind for this particular topic is the usage of Consul as a “source of truth” for the state of your MySQL replication clusters. If Orchestrator or its adjacent scripts are running as expected, Consul should always have the latest information pertaining to the state of your cluster. This is incredibly valuable. In fact, …[Read more]