https://vubon.me/tags/pattern/Recent content in Pattern on Vubon NotesHugoen-usSun, 24 May 2026 11:00:00 +0000https://vubon.me/posts/no-op-update-pattern/Sun, 24 May 2026 11:00:00 +0000https://vubon.me/posts/no-op-update-pattern/<p>After exploring <a href="https://vubon.me/posts/system-design-interview-idempotency/">idempotency keys</a>, I came across another pattern that deserves more attention: the <strong>No-Op Update Pattern</strong>.</p> <p>The idea is simple, but the mindset behind it is what makes it powerful.</p> <p>Instead of treating every update request as something that must trigger work, you first ask a more important question:</p> <p><strong>Does this request actually change the state?</strong></p> <p>If the answer is no, the system should do nothing and return the current state.</p>