Utkarsh UpendrainStackademicSystem Design of a hotel reservation system — Part 3In the earlier parts, we have covered the design of the hotel side of the marketplace as well as how the customers can search for hotels.4 min read·Sep 12, 2023----
Utkarsh UpendrainDevOps.devSystem Design of a hotel reservation system — Part 2In Part 1, we described the system and the data model for the hotel side of the marketplace. If you haven’t read that already, I would…2 min read·Sep 7, 2023----
Utkarsh UpendraSystem Design of a hotel reservation system — Part 1Hotel reservation systems are one of the most discussed system design problems in any engineering interview. In this post, we are going to…4 min read·Sep 6, 2023--1--1
Utkarsh UpendraImage Recommendation with Approximate KNN using Collaborative Filtering with ANNoy!I was recently working on an image recommendation engine which was to be based on a dataset that contains details of interaction of users…3 min read·Jan 28, 2022----
Utkarsh UpendraSoftware Engineering is much more than just building APIsWith the advent of new and charming frameworks like Spring Boot and Hibernate, there has been an observed shift in the definition of…2 min read·Jan 18, 2022----
Utkarsh UpendraA vanilla implementation of Collaborative Filtering for Image Recommendation SystemRecently, I came across a problem where I had to design an image recommendation system i.e. I had a dataset with 1 million user interaction…3 min read·Jan 18, 2022----
Utkarsh UpendraPagination spanning across databasesPaginated queries on RDBMS is as simple as adding “limit” and “offset” parameters to any “select” query, or is it?3 min read·Oct 1, 2021----
Utkarsh UpendraHash trees (Merkle Trees)Ever wondered how GitHub easily and accurately determines what changes have been made to each file, or how distributed database systems…5 min read·Sep 27, 2021----
Utkarsh UpendrainStackademicUnderstanding HyperLogLogImagine you go to a party and you want toknow how many people are at that party, how would you determine that? One way is to use brute…4 min read·Sep 26, 2021----
Utkarsh UpendraSplitting a large matrix into smaller filesThis post describes how to manage storage and operation of large matrices which might not fit into main memory at once.4 min read·Sep 26, 2021--1--1
