Field Notes

Notes from the work

Short decision narratives from real engagements — recurring architectural choices, and how we worked through them. If one of them maps to where you are, you can take the thread further with Lumo.

Scaling a multi-tenant database: sharding, or active-active multi-master?

Horizontal sharding (PostgreSQL/Citus) or active-active multi-master (MariaDB/Galera) for a multi-tenant database — a workload-grounded look at the tradeoffs.

Read the note →

One data platform, or a NoSQL store alongside it?

When does JSON document data justify a separate NoSQL store, and when is the relational database you already run — Postgres with JSONB — the better home for it?

Read the note →