AI Agents Are Machine Identities: Governing Non-Human Credentials Before They Proliferate
Your microservices fleet has 3,000 machine identities and 300 employees — a 10:1 ratio that is conservative by industry standards,
Category: Software Engineering
Deprecating API Endpoints Without Breaking Consumers: Deprecation and Sunset Headers
Every API with more than a handful of consumers eventually faces the same problem: an endpoint or field you designed
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Python’s GIL Is Now Optional: What Free-Threaded Python 3.14 Means for Your Code
For most of Python’s history, the answer to “can I use threads for CPU-bound work?” was a firm no. The
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JWT Security Pitfalls: Algorithm Confusion, Header Injection, and the Claims Everyone Forgets to Check
JWTs are everywhere because they solve an ugly problem: how does a stateless service know who’s calling without a database
PostgreSQL Connection Pooling: Session vs Transaction Mode, PgBouncer, and How to Size It
Every PostgreSQL backend process is a full Unix process with its own megabytes of memory. That design choice buys you
Prometheus Metric Cardinality: How Explosions Happen and the Five Controls That Stop Them
Every Prometheus failure I’ve seen in production started the same way: someone added a label. A user ID on a
Structured Logging in Go: slog, OpenTelemetry, and the Fields That Matter in Production
At 02:14 on a Sunday, an alert fires: payment success rate dropped four percent. You run kubectl logs across a
gRPC Server Reflection in Production: Gate It, and Use Health Checks Instead
Here is a debugging story that repeats across every gRPC team. A developer runs grpcurl -plaintext localhost:50051 list against a
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LLM Routing and Cascading: Send Every Query to the Cheapest Model That Can Handle It
If you run a large language model behind a product, you have probably internalized an uncomfortable trade-off. The big frontier
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MVCC and VACUUM in PostgreSQL: Dead Tuples, Autovacuum Tuning, and What PG18 Changed
Every UPDATE in PostgreSQL is secretly an INSERT-plus-a-tombstone. The old row version stays on disk, fully readable to any transaction
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