The Main Thread
A weekly essay on the systems behind the systems. For engineers who want the slow, careful version - not the hot take
JOIN THE THREAD
No fluff, no AI summaries. Just one careful issue a week.
threads
June 29, 2026
SYSTEMS
13 min read
June 22, 2026
DATABASES
13 min read
June 15, 2026
SYSTEMS
June 08, 2026
SYSTEMS
12 min read
WHAT YOU Will GET
One careful essay a week. Three threads through them.
Three threads that run through every issue of The Main Thread.
☷
Systems
Circuit breakers, backpressure, failure modes: how production systems stay alive under pressure.
🗀
Databases
B-trees, replication topologies, MVCC: how databases actually store and find things fast.
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AI Engineering
Structured outputs, reliable agents, RAG pipelines: building AI systems that hold up in production.
Anirudh Sharma
writer · engineer · still on call
I write the essay I wished existed when I was struggling with late night issues - the one that explains why the thing failed. One careful issue a week. No hot takes. No AI-paraphrased summaries.
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One slow, careful issue every week. Free,
forever. Read by 91 engineers and counting.
No fluff, no AI summaries. Just one careful issue a week.