ID, token, UUID и slug: в чём разница и почему их нельзя мешать
В каждом бэкенде рано или поздно рядом появляются id , UUID , slug , token и request_id . Все они выглядят как строки, но отвечают за разные вещи. Ког…
Architecture
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🚀 I Built UUIDs That Look Random But Sort Like Timestamps (50% Smaller Indexes!)
TL;DR Built a PostgreSQL extension that creates UUIDs looking like random v4 but containing hidden timestamps. Result: 50% smaller indexes with perfec…
Stop using UUID v4 as your database primary key
I spent a while wondering why inserts on a particular table were getting slower as it grew. The table had a UUID v4 primary key and a few indexes. The…