Carrying on with my MySQL 5.7 Labs Multi Source Replication scenario, I wanted to evaluate performance impact via MySQL Enterprise Monitor.
Whilst I opened my environment, I remember that I had generated lots of different skeleton scripts that allowed me to deploy the 50 servers quickly, and I didn’t want to add each of my targets 1 by 1 in MEM. So, I used one of the many features available, “Add Bulk MySQL Instances”.
So, I’ve got 50 (3001-3050) masters but only 1 slave (3100).
By default, MEM monitors it’s own repository, i.e. the 1/1 server being monitored in the All group.
I want to add my slave in first, because that’s how I’m organizing things, and I’ll take the opportunity to create the monitoring group I want to …[Read more]