If you are a Linux user, you probably know the hassle of rebooting your system after installing a kernel update. This can sometimes be inconvenient, especially if you are running a server or a critical application that needs to be always available. Fortunately, there is a way to apply kernel
There are some cases, where scaling is relatively hard to achieve in a sane manner. Especially when you’re in that weird place where you’ve grown out of the SME solutions, but can’t really justify the enterprise solution yet. I’ve worked on such a project, switching to the big boy DB cluster was pushed back again and again because of very high upfront costs (licenses and staff).