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SCSandeep Choudharyinsandeepc.hashnode.dev·Feb 23 · 7 min read

Latency vs. Throughput - Shifting Your System Design Mindset

In the world of system design, performance is paramount. But what exactly constitutes "performance"? Too often, discussions around system speed and efficiency get bogged down in a shallow understandin

JSJaival Sutharinjaivalsuthar.hashnode.dev·Oct 1, 2025 · 11 min read

Prefetching at Scale: Why Instagram Works Without Internet Through Predictive Caching

Note: This article was originally published on Medium and is republished here for wider access and long-term reference. There’s a moment we’ve all experienced. You disable your network, open Instagram, and the feed still functions. Posts render. Reel...

NINehal Ingoleinlearnwithnehal.hashnode.dev·May 25, 2025 · 9 min read

Grafana & Prometheus

📌 Why Observability Matters Observability is the ability to understand what's happening inside a system based on the data it emits. In software, this means using: Metrics: Numeric values over time (e.g., request count) Logs: Events and errors Tra...