Hello and welcome!

Featured articles

Here is a sample of articles which I feel give you a good idea of what this site is all about.

• How a DNS Glitch Triggered a Global AWS Outage, an In-Depth Analysis

  It was Diwali night in India. The on-call person was probably lighting firecrackers in their yard when the PagerDuty storm began. I believe many companies worldwide faced similar challenges on the 19th and 20th of October when the AWS global outage started affecting their services too. After examining the details of the outage provided here, I aimed to demystify the complexities to better grasp their impact. Numerous interdependencies contribute to global outages. In this blog, I will endeavor to dissect the problem for enhanced clarity.

  on Thursday, October 30, 2025

  Continue Reading

• Cognitive Refactoring

  How frequently during code review do we get review comments asking for refactoring a few lines that seem very obvious to the author? I got similar review comments multiple times. Sometimes it is hard to back those review comments with a strong reason but flagged as a readability concern. But why?

  on Wednesday, May 1, 2024

  Continue Reading

• The principles of a resilient SaaS system

  In the cloud and edge computing era, we can argue that a microservice ecosystem is nothing but a distributed system on steroids. Unlike a traditional centralized system, A distributed system is inherently prone to failure. So resiliency is the key factor to consider while architecting a highly available modern microservice architecture on top of inherently unreliable commodity cloud infrastructure. In this write-up, I am going to discuss some fundamental notions of resiliency and its possible application in system design.

  on Sunday, January 14, 2024

  Continue Reading