Apr 6Memcached at Scale: How Facebook Scaled and Optimized for Massive Request VolumesExploring Facebook’s Innovative Techniques and Best Practices for scaling Memcached to Handle Billions of Requests per Seconds Meta, one of the world’s largest social media platforms, handles billions of requests per second and stores trillions of key-value pairs. To manage this scale, Meta uses Memcached, a simple Key-Value cache that stores data in memory. Since users consume a lot of content than they create caching had significant…Memcached9 min readMemcached9 min read
Mar 7Making a Dynamic Renderer with Golang from ScratchUnderstanding Dynamic Rendering: Why It Matters for Your Website’s SEO When it comes to building a website, the three key components are HTML, CSS, and Javascript. In recent years, client-side rendering (CSR) has become increasingly popular. With this approach, the browser downloads an empty HTML shell and uses Javascript to generate the content on the client side.Go5 min readGo5 min read
Feb 6Mastering Factory Design Patterns through the Construction of a Banking SystemA Hands-on Approach to Understanding and Implementing the Factory Design Pattern in a Real-World Application First of all, let’s define the Requirements of our problem There can be multiple banks All banks share some common attributes and behavior like Behavior — showBalance() , withdraw() , addBalance() etc Attributes — amount_left , num_of_users etc. Banks…Cpp4 min readCpp4 min read
Feb 6Preventing Goroutine Leaks: Best Practices and Tips for Go DevelopersThis is the first blog in the series of Concurrency Design Patterns in Golang. I’ll be adding more blogs with many complicated design patterns. Before starting with the design pattern, here are some prerequisites. It would be best if you were comfortable with Golang’s syntax. Let’s brush up on a…Golang5 min readGolang5 min read
Dec 25, 2022Designing a Robust Web Crawler: From Requirements to ImplementationEnsuring the Robustness and Reliability of Your Web Crawler Have you ever wondered how a search engine knows about the contents of a web page? How does it know when the contents of the page are updated? Well, the simple answer is web crawlers. But what is a web crawler? A web crawler is a bot that downloads and…System Design7 min readSystem Design7 min read
Jun 13, 2022Concurrency Control using Snapshot IsolationSnapshot isolation has gained a lot of popularity for concurrency control. Today it is used in database systems like PostgresSQL, SQL Server, and Oracle to name a few. Let’s discuss how it handles concurrency in detail. So, what is snapshot isolation? To put it simply, in this scheme, every transaction is given a snapshot (a…Concurrency3 min readConcurrency3 min read
Jun 9, 2022How do databases recover from failure?A deep dive into log-based recovery. Let’s learn what are logs, how are they maintained by databases and how are they helpful when things go wrong. First of all, What are logs? To put it simply, logs are just a sequence of records, recording all activities. An update log has (generally) three fields Transaction Identifier: Unique…Database3 min readDatabase3 min read
Jun 7, 2022Indexing and Mutability in In-Memory cacheWhy is indexing not a priority in the in-memory cache? The access time of the disk is very high and there is a lot of data, so indexes provide us with a pointer that points directly to the data on the disk. …Cache2 min readCache2 min read
Published inCodeX·Jun 7, 20225 database engines you should know aboutWe will discuss different types of engines, their use cases, pros and cons, and much more. — Before jumping into the world of database engines, let’s first understand, What is a database engine? To put it simply, it is just software that performs CRUD operations and takes care of disk storage. …Database4 min readDatabase4 min read
