Recently, a series of OOM-killed errors in the AI generation pipeline running on my own VPS took me back to the old days. I once again saw how a sleep 360 command could wreak havoc on a system and the cost of a simple mistake. This situation made me realize that system architecture is, in fact, a bit about "paranoya." For me, this state of "paranoia" is like a way of life built on anticipating worst-case scenarios, accepting that anything can go wrong, and taking precautions accordingly. While it might sound a bit negative, my 20 years of experience in the field have repeatedly proven why this approach is indispensable. Roots of Paranoia: Past Scars This "paranoid" mindset isn't an empty delusion; it's a result of bitter experiences I've lived through and learned from. Over the years, I've seen many systems crash unexpectedly, slow down, or become completely inaccessible. These incidents formed the foundation of my architectural approach.…