I worked at a FAANG and every now and then someone proposed or tried to make an anomaly detection system. They never worked well. It’s an extremely difficult th

I worked at a FAANG and every now and then someone proposed or tried to make an anomaly detection system. They never worked well. It’s an extremely difficult thing to get right. Better to just have good monitoring of whether your system is responsive/available/reliable and ways to quickly work out why it’s not.