#consistency

The Bug That Only Happens Sometimes User reports: "I updated my profile but it still shows...

There's a category of engineering problem I find genuinely interesting: systems where the cost of...

Data redundancy: một node lỗi là mất dữ liệu, và replica async không cứu được nếu không ai...

Safe retry: idempotency key để retry một request không biến thành hai lần charge Trong hệ...

Introduction: The Frustration of Inconsistent Golf Club Performance You’re standing on the...

In distributed systems, maintaining data consistency across multiple data stores or services is a fundamental challenge. The dual write problem occurs when you need to update two separate systems atomically but lack a distributed transaction mechanism. If one write succeeds and t

a soft heads-up that long-form writing is coming to the site, books and guides released a chapter at a time, with the subject kept under wraps for now

Introduction: The Anomaly of Consecrated Wraps In the meticulously crafted world of Dota...

Payments are where "mostly works" is not good enough, because a duplicate charge or a lost transfer is a real person's money. This is a look at idempotency, the ledger, and the state machine that keep money correct under failure.

14 commits, 2 PRs, 1 issue, and 5 reviews across 3 repos. This week was all about hardening my Rust...

78% of elite athletes say micro‑cycles keep them training even in the busiest weeks. Learn the seven bite‑size plans that turn a packed diary into steady streng

We all want to become successful in life. But that is something not everyone can achieve easily. To...