KGKunal Guptainkunalforked.hashnode.dev·22h ago · 3 min readWhy “Just Retry the Request” Isn’t Always Safe This is pretty simple, but I thought it was interesting enough to share. Recently I was reading about idempotency and retries, and it made me realize how something as innocent as “just retry the reque10
AVAtul Vishwakarmainatulcodes.hashnode.dev·3d ago · 10 min readThe Google File System Explained: How Google Built Storage That Expects to FailIn 2003, three Google engineers — Sanjay Ghemawat, Howard Gobioff, and Shun-Tak Leung — published a paper describing the storage system they'd built to keep up with Google's data. It's called The Goog00
YKYash Khetaninsystemdesign101.hashnode.dev·3d ago · 9 min readSystem Design 101: What Problem Does a Load Balancer Actually Solve?In the previous article, I tried designing a URL shortener. I started with something ridiculously simple: Client → Server → Database And then, as soon as I started thinking about scale, the architect00
DNDhruv Nakumindhruvnakum.xyz·Aug 13 · 22 min readKafka for People Who Understand It in TheoryFor many of us, Kafka lives in our head as a vague shape. I knew the sentence people say about it like it's a distributed event streaming platform and blah...blah..blah. I could repeat it in a convers61T
MFMd Feroz Ahmedinphero20.hashnode.dev·Aug 11 · 25 min readI Built a Concurrent Resource Scheduler in Go Using Sharded Priority Heaps" seoTitle: "Concurrent Resource Scheduler in GoSupport on GitHub: github.com/phero20/concurrent-resource-scheduler (Give it a star if you find it useful!) View Docs: pkg.go.dev/github.com/phero20/concurrent-resource-scheduler What happens when00
SMSahasrajith Minconcurrency-in-go.hashnode.dev·Aug 10 · 57 min readI Built a Database That Survives Its Own Servers Dying. Here's How.1. The problem nobody warns you about Let me begin with a small confession. When I first heard the phrase "fault-tolerant distributed system," I imagined it was mostly a matter of buying more machines00
ASAnik Sikderinaniksikder.hashnode.dev·Aug 8 · 9 min readDNS Propagation Explained: Why DNS Changes Take Time and What Actually Happens Behind the ScenesIn the previous article, we explored: How DNS works How DNS records power websites, email systems, and cloud infrastructure At this point, a natural question emerges: If DNS changes are just reco00
ASAnik Sikderinaniksikder.hashnode.dev·Aug 8 · 9 min readDNS Records Explained: A, AAAA, CNAME, MX, TXT, NS, and SRV Records in Modern Internet InfrastructureIn the previous article, we explored how DNS translates human-friendly domain names into machine-friendly IP addresses and how a request travels through recursive resolvers, root servers, TLD servers,00
NHNasim Hossain Rabbiinblog.nasimhossain.dev·Aug 6 · 8 min readHow Twitter Solved Distributed ID Generation"Generating an ID is easy." Is it, though? Every second, companies like Amazon, Stripe, Uber, Discord, and Netflix create millions of new records. Every order, payment, message, notification, and user60
RSrnav Sarojinsneezingmonkey.hashnode.dev·Aug 3 · 10 min readBUILDING A DISTRIBUTED RATE LIMITER IN GOLANGFor the past few months I have been applying to a lot of companies (probably over a thousand of them lol) and expectedly most of them rejected me.However , I did get a few interviews from a few of the10
