2 days agoSystem Design — Rate LimiterWhat is a rate limiter? A rate limiter, as the name suggests, puts a limit on the number of requests a service fulfills. It throttles requests that cross the predefined limit. Why do we need a rate limiter? Preventing resource starvation: One of the common use cases of rate limiters is to avoid resource starvation caused by such denial of service attacks…System Design Interview8 min readSystem Design Interview8 min read
Sep 15What is the Strangler Fig Pattern?Context and problem Any sufficiently old codebase eventually starts to contain legacy code. Architecture, performance, comments, and more begin to degrade the moment after they are written. Some parts of the codebase last longer than other parts, but inevitably new coding standards emerge to reduce technical debt. Then you have to rework a…Microservices3 min readMicroservices3 min read
Jun 19Unraveling the CAP Theorem: The Fundamental Trade-Off in Distributed SystemsThe CAP Theorem is a fundamental theorem in distributed systems that states any distributed system can have at most two of the following three properties. Consistency. All reads receive the most recent write or an error. Availability. All reads contain data, but it might not be the most recent. Partition…Microservices3 min readMicroservices3 min read
Jun 9What is race condition ?A Race Conditions In Distributed Or Multithreaded System generally occurs when there are multiple threads or clients trying to access the same resource at one point of time resulting in an inconsistent, unavailable and faulty behaviour. In programming, two main types of race conditions occur in a critical section of…Microservices4 min readMicroservices4 min read
Jan 2Microservices — Deployment PatternsWhat are deployment patterns ? The microservices deployment pattern is a technique for updating and modifying software components. A microservices deployment pattern or strategy enables easy deployments and allows you to modify microservices. The following subsections list the microservice deployment patterns that help improve microservice availability: 1. Canary Deployment A “canary deployment” is a method of spotting possible…Microservices7 min readMicroservices7 min read
Nov 22, 2022What Is The Twelve-Factor App ?Have you heard about The Twelve-Factor App methodology ? The 12 Factor App methodology is an influential pattern to designing scalable application architecture. …SaaS8 min readSaaS8 min read
Jul 8, 2022Dynamically add environment variable to an external js script with NextJSDynamically add environment variable to an external js script with NextJS I recently started building a web app using NextJS for internal use and ran into a problem. I’d like to enable New Relic’s external JS script for monitoring purposes, but I’d like to do so dynamically, so that the…React1 min readReact1 min read
Apr 4, 2022Master-slave replication database concept for beginnersWHAT IS THE MASTER-SLAVE DATABASE? The master-slave is a database architecture divided into a master database and slave databases. The slave database serves as the backup for the master database. The master database is used for the write operations, while read operations may be spread on multiple slave databases. Imagine a situation where your site…Database4 min readDatabase4 min read
Mar 10, 2022What is Database Caching ?Caching is storing data temporarily in a high-speed storage layer (for example, in a computer RAM) to serve data faster when clients make the same future requests. This enhances the re-use of previously computed data instead of fetching it each time from the disk. Why do we need caching ? Improved application performance Reading data from an…Caching4 min readCaching4 min read
Aug 15, 2021The Dip by Seth Godin | Book SummaryQuitters never win and winners never quit. Bad advice. Winners quit all the time. They just quit the right stuff at the right time. Best in the world Zipf’s Law : Winners win big because the marketplace loves a winner. Best as in: best for you, right now, based on what you believe and…Book Review4 min readBook Review4 min read
