Hidden Coupling in Distributed Financial Systems: Dependencies You Didn't Know You Had
Abstract Distributed financial systems are described through explicit interfaces. Services call APIs, consume events, write to databases, submit trans…
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The 32-bit Hidden Countdown in ClickHouse Keeper: How an XID Overflow Gave Us Weekly Read-Only Bursts
A production debugging story: tracing recurring 2–5-second read-only storms on a ClickHouse cluster down to a single 32-bit integer — and the one-line…
From a Simple Auth Service to a Distributed Authentication Platform with Kafka, Debezium, and Observability
This is a submission for the GitHub Finish-Up-A-Thon Challenge What I Built I built a Distributed Authentication System as a long-term learning projec…
I Built a Complete AI Infrastructure Stack from Scratch — Here's What I Learned
I Built a Complete AI Infrastructure Stack from Scratch — Here's What I Learned Most AI projects start at the top of the stack. You grab an LLM API, w…
Why Distributed Transactions Fail and How the Outbox Pattern Helps
While covering the Outbox Pattern in my earlier article on CQRS , I realized there was much more depth to it than I initially planned to discuss — and…
CQRS: Where It Helps and Where It Hurts in Backend Systems
CQRS has been one of the most talked-about architectural patterns in modern backend systems. Over the last decade, its popularity has grown alongside …
Minimal Code Doesn’t Mean Stable Code
The argument sounds reasonable: fewer lines of code mean fewer bugs. Simpler to review, easier to reason about, less surface area for defects. Sounds …
Designing TikTok from Scratch — A System Design Deep Dive
Who is this for? Mid-to-senior engineers preparing for system design interviews, or anyone curious how a short-video platform at billion-user scale ac…
Welcome to the Distributed Systems World — The Challenges Nobody Warned You About
title: "Welcome to the Distributed Systems World — The Challenges Nobody Warned You About" published: false description: A friendly tour of the six bi…
What Broke When We Hit 100k WebSocket Connections (And How Realtime Orchestration Saved Us)
Introduction We built a product that streams AI model outputs to browsers and backend agents in realtime. At first, a few hundred WebSocket connection…
What Broke After 10M WebSocket Events (And How We Fixed Our Realtime AI Orchestration)
Introduction We built a realtime AI feature for a multi-tenant SaaS: live agent assistants that coordinate across services and update UIs via WebSocke…
What Broke After 10M WebSocket Events (And How We Rewired Our Realtime AI Pipeline)
Introduction We hit a wall after about 10 million WebSocket events in a month. Latency spikes, dropped messages, and opaque failures started showing u…
🏆 30 Best Distributed Systems Talks of All Time
Happy Tuesday 👋 and a warm welcome to another special edition of Tech Talks Weekly! I've been recently reading the second edition of Martin Kleppmann'…
Multi-Paxos vs Strong-Sync Primary/Replica vs Raft: Which HA Model Actually Gets You RPO=0 in 2026?
An architect’s breakdown: quorum DR, split-brain, leases — and why “wait for the standby” isn’t the same as “survive minority failures.” What Is Paxos…
The Illusion of Scale, Part 1: When Your "Scalable" System Isn't
Some systems look scalable right up until they meet real production traffic. The tests pass. Dashboards are green. The architecture diagram looks clea…
Human Operators in Distributed Financial Systems: When People Become Part of the Architecture
Abstract Distributed financial systems are often modeled as autonomous infrastructures governed by deterministic logic, cryptographic guarantees, and …
Sui Network's Technical Architecture: Analyzing TVL Growth, Stablecoin Throughput, and Horizontal Scalability
As of February 2026, the Sui network has accumulated $2.6 billion in total value locked across its ecosystem and processed $2.03 trillion in stablecoi…