Viktar Patotski ·
· Architecture
· 6 min read The question is not which one wins, it is where you draw the isolation boundary. Here is how single and multi-tenant differ on cost, isolation, compliance, and ops, and why most SaaS that scales ends up running both at once.
Viktar Patotski ·
· Architecture
· 8 min read Silo, pool, or bridge is one of the few architecture choices you cannot cheaply reverse. Here are the three models in plain terms, how they map to a real database, and a decision framework so you pick the one your customers and your margins actually need.
Viktar Patotski ·
· Performance
· 16 min read A cache is the reflex after you fix the slow query. The real decision is where it lives. A local in-memory cache is faster and simpler than Redis until you run more than one instance, and then it quietly serves stale data. Here is how to pick.
Viktar Patotski ·
· Architecture
· 22 min read Both are excellent databases and for most SaaS workloads either one is fine. The honest answer: pick Postgres for greenfield, keep what you run well, and switch only for a reason you can name. Here are the few differences that actually decide it.