Rebuilding Linear’s delta sync read path

Linear is a local-first application. Each client maintains a local database so that creating an issue, changing its status, or navigating a workspace doesn’t require a network round trip. That makes the app feel immediate, but the tradeoff is that a client returning online needs a way to catch up, fast. Rather than download the entire workspace again, the client sends a checkpoint containing the I

[mkusaka]

Linearのdelta syncで20TB超の履歴をturbopufferの転置posting-listで絞り、p95/p99を安定化する仕組みを解説