Abbas's Thoughts
This is my little space where I share lessons and experiences from my 15 years as a software engineer, along with things I’m learning and random ideas. It’s not a one-way blog, you may be surprised to hear their voices on each post. I hope it becomes a friendly place for real experts to share their main ideas, learn from one another, and enjoy honest conversations, not just read AI-generated text.
Cache Invalidation at the Edge Is a Consensus Problem
Abbas Oveissi
Aug 24, 2026•3 min read
Every edge POP is a replica with its own idea of the truth. Once you accept that, purge APIs stop looking like plumbing and start looking like a distributed agreement protocol you did not design.
1:30 Voice Briefing0 Contributor Voice Notes#distributed-systems#caching#edgeThe Retry Storm You Designed on Purpose
Abbas Oveissi
Aug 11, 2026•5 min read
Exponential backoff is table stakes and it will still take you down.
0 Contributor Voice Notes#reliability#distributed-systems