26 Sep 2025 I’ve recently started building a POC of a Redis RESP3 Wire Compatible Key/Value Database built on FoundationDB with @calabro.io and though it’s rather early, it’s already spawned a fun distributed systems problem that I thought would be interesting to share. Previously I’ve written about how I implemented a Graph DB via Roaring Bitmaps, representing relations as a bidirectional pair of sets. To support such use-cases in this new database, we’d like to represent sets of keys such that...