Writing · Page 2
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Hallucination is a family of failures, not one bug. A mitigation playbook: coverage versus utilization, grounding by construction, detection that routes, and containment.
Quality is not a number. A production framework for measuring AI systems: component metrics, calibrated judges, statistical honesty, and the failure modes of measurement itself.
Three production concerns that look like separate problems and are not. A working Laravel 13 skeleton with version-aware serializers, snapshot invalidation, and idempotent projection replay — all backed by tests.
Permissions, output validation, multi-agent delegation, and the audit trail that reconstructs the decision chain. A production handbook for shipping agents that survive contact with reality.
An LLM agent is a commitment, not a category. Here's the decision framework, the failure modes, the three-layer reliability model, and the hybrid architecture that actually works in production.
RAG sounds impressive, but most questions don't need synthesized answers from multiple documents. Here's how to choose the right approach.
HAProxy sits in front of your servers, probes each one on a configurable schedule, and pulls failing hosts from the rotation before any user request reaches them. Load balancing across multiple VPS, sticky sessions, ACL routing, stick-table rate limi
PostgreSQL spawns a separate process per connection, burning 5-10 MB of RAM before the first query. pgBouncer multiplexes hundreds of client connections through a small pool of real database connections, cutting RAM usage and preventing PostgreSQL from crawling under heavy concurrent load.
Ubuntu 25.10/26.04 moved to sudo-rs, which echoes a dot per sudo password character by default. Bring back silent entry with Defaults !pwfeedback — the one-line fix.
How to add distributed tracing to a Symfony 7 app in Docker: OpenTelemetry zero-code auto-instrumentation, OTLP HTTP export to Grafana Tempo 3.0, and Gantt traces in Grafana 13.