Published in Geek Culture·Nov 4, 2022Why we migrated from Memcached to Redis?Introduction Most of the time, caching solutions like Memcached, Redis, Guava, etc. are used to increase data retrieval performance. This is achieved by storing some of the data in the cache layer and thus reducing the need to access the underlying slower data-storage layer. But there is another usage pattern of…Redis6 min readRedis6 min read
Published in Geek Culture·Mar 29, 2021Member-onlyHow to Design Tenant-Specific Subdomains in Your SaaS ApplicationI recently worked on a feature for configuring tenant-specific custom subdomains in our product. In this article, I am sharing some of the designs our team iterated on, and their pros and cons. What are tenant-specific subdomains? Tenant-Specific Subdomains (a.k.a. custom subdomains) are a common feature provided in a multi-tenant SAAS solution, allowing each…Software Development5 min readSoftware Development5 min read
Published in FAUN Publication·Jul 13, 2020AWS cost reduction with aws-nukeIn most organizations, a common pattern of using AWS is to have multiple accounts for production, staging, and development. In such a setup, it is inevitable to lose track of various experimental AWS resources instantiated by your developers. …AWS5 min readAWS5 min read
Oct 12, 2019Guide to Internship Hunting as an International CS Graduate in the USThis article was originally posted on LinkedIn. I am a second-year graduate student in the Computer Science department at the University of Wisconsin-Madison. Like many of you, upon arriving in the US, adjusting to the new culture, focusing on my studies, and a parallel hunt for an internship turned out…Job Hunting14 min readJob Hunting14 min read
Sep 30, 2019My Summer Internship at Sumo LogicI spent my summer 2019 as a Backend Software Engineering Intern at Sumo Logic HQ in Redwood City; and in this post, I am sharing my internship experience.Sumo Logic4 min readSumo Logic4 min read
Published in Calvin Codes·Aug 14, 2019Understanding JSON Web Tokens (JWT)Introduction The article starts off with a real-life problem statement and attempts to solve it using concepts similar to that of JWT. This is followed by an in-depth analysis of JWT, discussion of its various use-cases, and eventually some of its vulnerabilities. Problem Statement (kinda real-life) Alice, Bob, and Chuck are three friends. Alice writes…Security7 min readSecurity7 min read
Published in Calvin Codes·Jul 8, 2019Updating encryption key of a secret in AWS Secrets Manager gone wrongI spent more than 24 hours to debug why an update of the encryption key is not working for my secret in AWS Secrets Manager. The final conclusion is just a one-liner, and hence if the read time makes you TLDR, you can jump to the conclusion directly. :) Quick Intro to AWS Secrets Manager AWS…Encryption4 min readEncryption4 min read
Published in Calvin Codes·Nov 5, 2018DoS your local | fork() BombWhat is DoS? Any system/server, service or network has a limited set of resources to serve any process or request. In other words, resources are not infinite. Denial-of-service (DoS) is a type of malicious attack which tries to exhaust the system of all its available resources. And to do so, it bombards the…Programming2 min readProgramming2 min read
Jun 30, 2018F1 Visa Interview — Step by Step guideVisa interviews are all about confidence and preparation, and here’s a step by step guide to your F1 Visa Interview. If you want to know about the Biometrics process, click here. To read my Visa interview experience, click here. …F15 min readF15 min read
Jun 30, 2018F1 Visa — BiometricsI am sharing my experience of the Biometrics process for US F1 Visa. If you are interested in reading a step by step guide to F1 Visa Interview, click here. To read my Visa interview experience, click here. Biometrics process is pretty chill. Documents Required — DS 160 Confirmation, Visa…F12 min readF12 min read
