Skip to content
Get in touch

Writing

Engineering Notes

Technical writing on architecture, debugging, performance, and the discipline of investigating before redesigning. Written to think clearly, shared to be useful.

3 notes

Notes index

Topic
  1. 01
    Distributed SystemsPublished

    Debugging Distributed Failures

    A working note on tracing failures in distributed order and payment workflows, identifying the actual failure point, and the discipline of investigating before changing architecture.

    8 min
    • Failure tracing
    • Dependency chains
    • Failure propagation
  2. 02
    ArchitecturePublished

    Multi-Tenancy Without Tenant Plumbing Everywhere

    Notes on centralized tenant identification, EF Core global query filters, and explicit tenant context at HTTP, Service Bus, and Timer Trigger boundaries.

    9 min
    • Tenant isolation
    • Global query filtering
    • HTTP boundary
  3. 03
    PerformancePublished

    Diagnosing Database Performance Problems

    Working notes on investigating database performance against large relational datasets, including high-CPU queries, indexes, N+1 patterns, projections, and caching.

    9 min
    • ≈45M orders
    • ≈170M order lines
    • High-CPU queries
See engineering case studies