One ALTER TABLE can take an ACCESS EXCLUSIVE lock and stall every query behind it. Learn the expand-contract migration pattern, lock_timeout guards, chunked backfills, CONCURRENTLY index builds, and which Postgres DDL is genuinely safe.
Zero-Downtime PostgreSQL Schema Migrations with Expand and Contract Read Post »
CVSS severity says nothing about whether a CVE is being exploited. Learn to combine EPSS exploit probability, the CISA KEV catalog, and reachability analysis into vulnerability prioritization that cuts the queue without raising real risk.
Vulnerability Prioritization: Using EPSS and KEV Instead of CVSS Read Post »
INP replaced FID as a Core Web Vital and it is much harder to pass. Learn its three phases, why long tasks and hydration hurt, how to yield with scheduler.yield(), and how to debug real interactions using field data rather than lab scores.
INP Optimization: Fixing the Core Web Vital That Replaced FID Read Post »
Silo, bridge, or pool? Compare multi-tenant data isolation models on blast radius, cost, and operational load. Learn PostgreSQL row-level security, safe tenant context propagation, noisy-neighbour control, and how to migrate between models later.
Multi-Tenant SaaS Data Isolation Patterns That Survive Growth Read Post »
vLLM serves open-weight LLMs at high throughput using PagedAttention and continuous batching. Learn GPU memory tuning, tensor parallelism, prefix caching, the latency-throughput trade-off, and when self-hosting actually beats an API.
Self-Hosted LLM Inference Serving with vLLM in Production Read Post »
The Kubernetes Gateway API replaces Ingress with role-oriented resources: GatewayClass, Gateway, and HTTPRoute. Learn header matching, weighted traffic splitting, cross-namespace ReferenceGrant, and a staged zero-downtime migration path.
Migrating from Ingress to the Kubernetes Gateway API Read Post »
Java Flight Recorder ships in the JDK and profiles production JVMs at roughly 1% overhead. Learn custom event settings, JFR event streaming, jfr CLI triage, JDK Mission Control analysis, and how to gate performance regressions in CI.
Java Flight Recorder for Continuous Production Profiling Read Post »
A production guide to Android 16 predictive back: enabling the callback API, PredictiveBackHandler in Compose, cross-activity animations, Material 3 Expressive, and migrating legacy back stacks.
Android 16 Predictive Back and Material 3 Expressive in Production Read Post »
A practical comparison of PgBouncer, PgCat, and Supavisor: pooling modes, prepared-statement support, load balancing, sizing math, and the pitfalls that bite teams in production.
PostgreSQL Connection Pooling: PgBouncer vs PgCat vs Supavisor Read Post »