Harish Kumar
Latest posts
Zero-Downtime Database Migrations for Continuously Deployed Services
A practical guide to evolving production schemas safely with expand-and-contract migrations, compatibility releases, controlled backfills, observability, and rollback plans.
The AI Productivity Paradox: What Happens to the Time We Save?
AI can make individual tasks faster without improving organizational performance. Learn where saved time actually goes, why higher workloads can suppress adoption, and how leaders can turn productivity gains into faster flow, better quality, resilience, and innovation.
Datadog Monitoring for Spring Boot on Kubernetes: Setup, Best Practices, and Pitfalls
A practical guide to deploying Datadog for a Spring Boot service on Kubernetes, including infrastructure metrics, APM, logs, custom metrics, dashboards, alerts, cost controls, and common implementation mistakes.
REST vs Events in Financial Services: Choosing the Right Integration Pattern
A practical guide to choosing between synchronous REST APIs and event-driven integration for financial systems, covering commands, queries, workflows, consistency, fan-out, reliability, and operational trade-offs.
API Versioning Without Creating v1, v2, v3 Chaos
A practical enterprise strategy for evolving APIs through compatibility rules, automated change detection, visible deprecations, measured migration windows, and lifecycle governance.
Graceful Kubernetes Shutdowns: Draining Traffic Without Dropping Work
A practical guide to Kubernetes pod termination, covering readiness propagation, connection draining, in-flight requests, background workers, shutdown budgets, and the race conditions behind failed deployments.