CatOps Digest 2026-05-29
What was on CatOps in the last couple of weeks...
I was on a business trip last week, so it basically fell out. In any case, if you want to get all these articles as I discover them, do not hesitate to subscribe to CatOps on Telegram!
Also, it was CatOps birthday last week! The channel is 9 years old now, which is something I barely can comprehend, honestly.
Charity
We managed to close both fundraisers, we pushed these weeks! Thank you all! So, I would simply leave a link to the “Comeback Alive” foundation here.
Digest
Enabling horizontal autoscaling with co-operative distributed rate limiting - an article on how Monzo designed their internal rate limiting system, and how the context in which a system exists, impacts decisions.
Consistent Hashing in 1 diagram and 198 words - a small primer on consistent hashing. That substack has many other primers as well.
“Fragnesia” Local Privilege Escalation report via ESP-in-TCP in the Linux Kernel (CVE-2026-46300) - yet another kernel vulnerability.
K000161019: NGINX ngx_http_rewrite_module vulnerability CVE-2026-42945 - Nginx vulnerability this time.
The normal work of creating reliability - a shift in perspective of how to reason about reliability.
Chaos Engineering: The Evolution from Netflix’s Chaos Monkey to AI-Powered Resilience - a cautionary tale that you likely do not need chaos engineering.
Finding zombies in our systems: A real-world story of CPU bottlenecks - a detective story from Pinterest. I like their engineering blog, BTW!
I Don’t Care if AI Wrote the Code. You Own It. - a reminder that you cannot call AI an idiot - the responsibility is still on you.
That’s all folks! See you in the next chapter. Here’s an obligatory photo when you get a window seat from random allocation.
