Shubh's Writing https://shubh.website/ Interconnected blog series on systems, cloud, and programming by Shubh Raj Gupta. en-us Sun, 12 Jul 2026 12:00:00 +0000 Why Does DNS Propagation Take So Long? https://shubh.website/writing.html#dns-propagation An exploration of DNS caching, TTL, and global propagation mechanisms. Thu, 25 Jun 2026 00:00:00 +0000 https://shubh.website/writing.html#dns-propagation Building Resilient Systems: Patterns I Use https://shubh.website/writing.html#resilient-systems Key software patterns for reliability: circuit breakers, retries, and fallbacks. Fri, 12 Jun 2026 00:00:00 +0000 https://shubh.website/writing.html#resilient-systems My Learnings from Building in Public https://shubh.website/writing.html#building-in-public Reflections on architectural decisions, performance, and building a portfolio site. Thu, 28 May 2025 00:00:00 +0000 https://shubh.website/writing.html#building-in-public