D i
Architecture patterns, reliability, and system design
-
How celld Coordinates a Fleet Without a Separate Control Plane
Published: at 11:00 AMHow celld uses bucket leases for node discovery, failure handling and placement, and what that means for fleet credentials and network security.
-
How celld Makes SQLite Writes Durable
Published: at 11:00 AMHow celld uses LTX, peer replication and object storage to make SQLite writes durable, and which failures its recovery point objective of zero covers.
-
How celld Turns Object Storage Into a Coordination Service
Published: at 11:00 AMcelld requires only four things from an object store — conditional create, conditional overwrite, read-after-write consistency, ranged reads — and builds cell ownership, epoch fencing, and self-fencing leases on top. Here's exactly how, and what it costs.
-
celld: Durable Objects, Unbundled
Published: at 11:00 AMcelld, a new open-source project from Deno, reimplements Cloudflare's Durable Objects model on infrastructure you own — and it's a good lens for asking what should actually own an AI agent's state.