Every time our CDN cache expires we get a traffic spike that overwhelms our origin servers and I have to manually warm the cache but there is no way to predict when the next expiration will cascade into a problem.
More people experience this than they realize.
Performance improvements through caching can create temporal coupling that makes system behavior less predictable rather than more stable.
“Where Are You with Cloud computing and distributed everything?”
If this sounds familiar, the Library can help you find the bigger picture.