Tag: systems-architecture

All the articles with the tag "systems-architecture".

• How Kubernetes Probes Actually Work: My Takeaways and Mental Models

  20 Aug, 2026

  Personal learnings and mental models on how the Kubelet executes Startup, Readiness, and Liveness probes—and how to avoid cascading outages in production.

• Why Pgpool-II HA Mode Breaks Camunda 7 in Kubernetes: A Systems Post-Mortem

  1 Jun, 2026

  A deep-dive analysis of why deploying Pgpool-II in High Availability (Watchdog) mode via Helm charts triggers catastrophic transactional failures and split-brains in Camunda 7 workflow engines.

• Deep Dive: PostgreSQL Connection Pooling & HikariCP Internals in Spring Boot

  1 Jun, 2026

  A highly technical masterclass exploring PostgreSQL's process-per-connection architecture, OS socket constraints, HikariCP's lock-free ConcurrentBag internals, and precision performance tuning for Spring Boot.