Ever get called out for a MySQL issue only to realize that there was no issue? It was a false alarm from the monitor. We sure have and it’s frustrating, especially at 3:00 or 4:00 in the morning!
Many DBAs work in an environment where there is some sort of first level support that gets assigned tickets first. Unfortunately, many of the times these groups are, shall we say, less than skilled in MySQL. As a result, they quickly escalate the ticket onto the primary on-call DBA, even when there is really nothing wrong.
Much of the time, there are multiple types of MySQL topology in these environments: standalone, galera cluster, …[Read more...]