On any given server, or workstation, knowing what is at the other end of the network cable is often very useful.
It’s been a while since I’ve looked at the puppet 4 packaging. During this time, a lot of things have happened.
The Munin project is moving slowly closer to a Munin 3 release. In parallel, the Debian packaging is changing, too.
Performance tuning is done to increase system performance, reduce power usage or to ease the application impact on the rest of the system. If done prematurely, or without any measurements, performance tuning may, of course, have the opposite effect.