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Systems Architecture Field Notes Series' Articles

Back to Kingsley Onoh's Series

Jun 13

Evidence Beats Certainty: Why My Classifier Refuses to Pretend Every Product Has an Answer

#rust #customs #classification #audit

6 min read

Jun 15

Why I made OR-Tools prove it was better than the deterministic dispatcher

#scala #ortools #deterministicsystems #dispatchoptimization

4 min read

Jun 16

JSONB Was Fine. The Side Effects Needed a State Boundary.

#typescript #postgres #jsonb #statemachines

5 min read

Aug 27

Zero Is Not an Empty Value in Financial Software

#financialsoftware #typescript #riskmodeling #testing

6 min read

Aug 29

Why I Put Swarm Memory in PostgreSQL Instead of Zep

#postgres #pgvector #agentmemory #vectorsearch

7 min read

Aug 29

A Simulation ID Is Not a Running Simulation

#typescript #apiintegration #orchestration #failurerecovery

7 min read

Aug 29

Why Put a Queue in Front of a One-Job Worker?

#bullmq #redis #backpressure #operations

7 min read

Aug 29

Tenant Isolation Did Not Fix the Wrong Theater Card

#multitenancy #fastify #redis #frontenddata

6 min read

Aug 29

When a Redis Payload Became a Pointer

#redis #r2 #dataingestion #idempotency

6 min read

Sep 1

The timestamp that broke a fresh evidence chain

#postgres #hashchains #canonicalization #cpp

6 min read

Sep 1

Why exit code 0 cannot authorize a freight award

#ocaml #minizinc #processisolation #optimization

6 min read