MongoDB is an extremely popular no SQL database solution with an interesting cache architecture. Tons of projects use MongoDB in production including ours at GoTo Financial. It has been working perfectly for quite some time until came to a point when it suddenly wasn’t and this small post is all…

Script and tips on how to set up multiple master-replica Redis instances and multiple Redis sentinels to monitor them. Introduction Before I even introduce this script, allow me to explain why did I even need to write this? Currently, there is no maximum limit documented on the number of masters a…

Recently I have been reading about the design of the Go language and this post is an accumulation of notes specific to the buffered channels and how they work. If you want to understand what a channel in go is, please refer to this article [1]. After this point, I…

I came across this exciting algorithm while watching this bit torrent series by Arpit [1] and honestly, it’s pretty exciting! I have been trying to make my own Torrent client and hopefully, will be able to publish some bare bones about its own implementation sometime in the future :D Anyway…

Recently, I have been exploring what makes HTTP/2 and HTTP/3 spookily faster than their 1.1 predecessors. While it’s been majorly clear that specific features like stream multiplexing are at the heart of it, there is a certain unspoken hero which we will be talking about in this post. HPACK…

Protocol buffers (also known as protobuf) and JSON are both mechanisms of serializing structured data which encode data into byte sequences so that the data can be passed around in a distributed system adhering to certain protocols That’s a basic introduction that we already know, If you’d like to know…

Welcome to the second byte-sized article on the inner nitty-gritty of go implementation of the gRPC protocol. I have recently started studying the codebase (Open source FTW!) to contribute and dumb down the intricacies of this amazing protocol and make it easy enough to be understood by a wider audience. …

Welcome to a byte-sized article series on the inner nitty-gritty of go implementation of the gRPC protocol. I have recently started studying the codebase (Open source FTW!) with an aim to contribute to this blazing fast protocol and use this meme, eventually.

Welcome to the second post of Trell Cash, where will be finally talking about tech! How the product design transcended from Figma and Google Docs to Scalable pods on Kubernetes infrastructure. Note, this post is one of the 2 blog posts regarding Trell cash, you can find them here : …