> Unfortunately, one of these rules contained a regular expression that caused CPU to spike to 100% on our machines worldwide. Sounds like backtracking. If so,

> Unfortunately, one of these rules contained a regular expression that caused CPU to spike to 100% on our machines worldwide. Sounds like backtracking. If so, I'll bet there's a conversation happening about switching to re2. edit: hmmm, https://github.com/cloudflare/lua-re2 https://github.com/cloudflare/lua-re2 I'm also curious why this rollout wasn't staged.