--- title: "Leel Vinod (@Leel) | Hashnode" description: "Building Visions into Reality: Architecting Software, Shaping Startups. Read the latest articles by Leel Vinod on Hashnode." url: "https://hashnode.com/@Leel" --- @Leel # Leel Vinod @Leel · Joined July 2023 Building Visions into Reality: Architecting Software, Shaping Startups. ### [Data Store Scaling: Database, Sharding, and Consistent Hashing](https://leelvinod.hashnode.dev/hld-7-data-store-scaling-database-sharding-and-consistent-hashing?utm_source=hashnode&utm_medium=feed) What Data Does an E-commerce System Store? In a comprehensive e-commerce platform like Amazon, various types of data are necessary for its functioning and to provide users with an optimal shopping experience: User/Customer Data: This includes inform... 17 min read · [leelvinod.hashnode.dev](https://leelvinod.hashnode.dev/hld-7-data-store-scaling-database-sharding-and-consistent-hashing?utm_source=hashnode&utm_medium=feed) [1](https://hashnode.com/posts/hld-7-data-store-scaling-database-sharding-and-consistent-hashing/64c975876dafbd9b426216c1) [Jul 31, 2023](https://hashnode.com/posts/hld-7-data-store-scaling-database-sharding-and-consistent-hashing/64c975876dafbd9b426216c1) ### [Understanding Caching, Load Balancing, and Content Delivery Networks (CDNs) in Web Applications](https://leelvinod.hashnode.dev/hld-6-understanding-caching-load-balancing-and-content-delivery-networks-cdns-in-web-applications?utm_source=hashnode&utm_medium=feed) Caching Examples of Places where data is shown very frequently to the end user. Context (Application)Data shown very frequently YouTubeFrequently accessed metadata on the Trending page like video titles, thumbnails, tags, duration. AmazonDeta... 22 min read · [leelvinod.hashnode.dev](https://leelvinod.hashnode.dev/hld-6-understanding-caching-load-balancing-and-content-delivery-networks-cdns-in-web-applications?utm_source=hashnode&utm_medium=feed) [1](https://hashnode.com/posts/hld-6-understanding-caching-load-balancing-and-content-delivery-networks-cdns-in-web-applications/64c972233c688e7a2376d87b) [Jul 29, 2023](https://hashnode.com/posts/hld-6-understanding-caching-load-balancing-and-content-delivery-networks-cdns-in-web-applications/64c972233c688e7a2376d87b) ### [Understanding Communication Patterns and Kafka in a Distributed System](https://leelvinod.hashnode.dev/hld-5-understanding-communication-patterns-and-kafka-in-a-distributed-system?utm_source=hashnode&utm_medium=feed) Async vs Sync Synchronous tasks are high-priority tasks that require immediate execution and user feedback. They are generally associated with user actions that need immediate system response. Asynchronous tasks are tasks that can be processed in th... 15 min read · [leelvinod.hashnode.dev](https://leelvinod.hashnode.dev/hld-5-understanding-communication-patterns-and-kafka-in-a-distributed-system?utm_source=hashnode&utm_medium=feed) [Jul 26, 2023](https://hashnode.com/posts/hld-5-understanding-communication-patterns-and-kafka-in-a-distributed-system/64c96b67acc45633c3a0f46a) ### [CAP Theorem: Exploring Consistency, Availability, and Partition Tolerance](https://leelvinod.hashnode.dev/hld-4-cap-theorem-exploring-consistency-availability-and-partition-tolerance?utm_source=hashnode&utm_medium=feed) Lets consider multiple services like order service / auth service / report service. How to avoid single point of failure We can have multiple instance of order service ( by having backup server) if one goes down and we can have other service to take ... 14 min read · [leelvinod.hashnode.dev](https://leelvinod.hashnode.dev/hld-4-cap-theorem-exploring-consistency-availability-and-partition-tolerance?utm_source=hashnode&utm_medium=feed) [Jul 24, 2023](https://hashnode.com/posts/hld-4-cap-theorem-exploring-consistency-availability-and-partition-tolerance/64c9666dce36f8c34b2c5c24) ### [Exploring Communication Methods: A Comparative Analysis of Microservices and Monolithic Systems](https://leelvinod.hashnode.dev/hld-3-exploring-communication-methods-a-comparative-analysis-of-microservices-and-monolithic-systems?utm_source=hashnode&utm_medium=feed) Let's consider a Stock Exchange System Sign up: Ensuring successful user registration. Buy/Sell transaction: Monitoring successful stock transactions. Market Data: Observing real-time data transmission for stock market fluctuations. Profit Loss R... 14 min read · [leelvinod.hashnode.dev](https://leelvinod.hashnode.dev/hld-3-exploring-communication-methods-a-comparative-analysis-of-microservices-and-monolithic-systems?utm_source=hashnode&utm_medium=feed) [Jul 22, 2023](https://hashnode.com/posts/hld-3-exploring-communication-methods-a-comparative-analysis-of-microservices-and-monolithic-systems/64c9008e90c76d22cd514994)