AAnish Ansari15h ago · 7 min readSystem Design Drill Day 4: Read Replicas and Replication LagA customer places an order, gets redirected to "My Orders", and the list is empty. They refresh and the order appears. Anyone who has added read replicas to a busy app will recognise that support tick14KAblog.anishansari.com.np
AAce Interviews7h ago · 107 min read10 Google SRE NALSD Prompts (System Design): Interview Scenarios for 2027+ Loops🔮 The 2027+ Google SRE NALSD Playbook: 10 Operational Frontier Simulations "If you think System Design is about drawing a load balancer and a database, you are preparing for a 2022 interview." Hypeaceinterviews.hashnode.dev
RRONI DAS7h ago · 6 min readOne Click, Two Short Links: Designing the API and Table of a URL Shortener (Day 2 of 30)Here is a bug that ships in a lot of first versions. Someone taps "shorten" on a phone with a weak signal. The phone waits, gives up, and sends the same request again on its own. Your server receives systemdesignacademy.hashnode.dev
RRONI DAS7h ago · 6 min readTurn a Vague Prompt Into Numbers (System Design Interview in 30 Days, Day 1)"Design a URL shortener." That is the whole prompt. No traffic numbers, no rules, no deadline. Most people pick up the marker and start drawing a load balancer. The interviewer was waiting for somethisystemdesignacademy.hashnode.dev
DDamilare Agba23h ago · 5 min readThe square in my realtime billPricing out realtime for a shared 3D space: per-message billing, all-to-all broadcast at 10 updates a second, and why 10x the people meant roughly 90x the bill. I'm building a side project with a sharagbad.hashnode.dev
DDevang Pandya21h ago · 11 min readBapu Class: How Amazon Finds Your Order in One Second (Database Indexes, Made Simple)By Devang Pandya · Cloud Tech by Devang · Cloud • DevOps • AI — Made Simple This post is the full breakdown for the "Bapu Class" Reel on database indexes. If you came here from the Reel after commentcloudtechbydevang.hashnode.dev
RRONI DAS14h ago · 7 min readA certificate authority's private key was the number 4. We checked.A private key for a certificate authority on the P-384 curve should be a random number more than 100 digits long. On Saturday 17 October, a researcher reported that eight of eMudhra's intermediate CA systemdesignacademy.hashnode.dev
CCiphemic academia16h ago · 13 min readMonorepo vs. Polyrepo: 2 Billion Lines in One Repo, and 140 Services That Drifted ApartMonorepo vs. Polyrepo: 2 Billion Lines in One Repo, and 140 Services That Drifted Apart Google keeps most of its code in a single repository. According to a 2016 paper by two Google engineers, that reciphemicacademia.hashnode.dev
Yyash arya1d ago · 4 min readIntroducing Ion+: Building a Custom Low-Level Programming Language from Scratch in PythonHave you ever loved the raw speed and power of C, but wished it had a cleaner, more modern syntax? That is exactly the problem I set out to solve when I started building Ion+ (Ion Plus). I wanted to c2yasharya.hashnode.dev
MManish Chavan23h ago · 5 min readDesigning a Reliable Integration Service in Spring Boot: From Webhook to Internal APIsA common enterprise problem: data is collected in one system (an online form, a partner portal, a CRM), and a person copies it into several internal systems by hand. It's slow and full of typos. So yo11Hmanishchavan.hashnode.dev