SQL vs NoSQL Is NOT New 🤯 (Here's the Truth Nobody Tells You)

How do you build applications that handle millions of users without crashing?
In this deep dive, we move beyond the marketing buzzwords of "Big Data" and "Web-scale" to uncover the Foundations of Data Systems.
We explore why modern software is increasingly data-intensive, where the primary challenges are quantity, complexity, and the speed of change, rather than raw CPU power.
In this video, you will learn:
Reliability: How to design fault-tolerant systems that continue working correctly even when hardware, software, or humans make mistakes.
Scalability: How to quantitatively describe load and measure performance using response time percentiles (p95, p99) to keep your most valuable users happy.
Maintainability: The secrets to operability, simplicity, and evolvability, ensuring your system doesn't become a "big ball of mud" over time.
Data Modeling: Comparing Relational, Document, and Graph models to find the right fit for your application's relationships.
Storage Internals: How Log-structured engines (LSM-trees) and B-trees actually store and retrieve your bits on disk.
Replication & Partitioning: Moving from single machines to distributed data by keeping copies of your data safe and splitting massive datasets into shards.
Transactions & Consensus: Managing the "messy reality" of distributed systems, including unreliable networks, drifting clocks, and the challenge of getting nodes to agree on a single truth.
Stop relying on "magic scaling sauce" and start building on firm foundations.
Whether you are preparing for a System Design Interview or architecting the next global platform, these principles are your roadmap.

Newsletter link: https://priyabnsl.substack.com/p/ecc7c596-6f12-4a6b-bced-79674658960a

Timestamps:
0:00 — The Problem with Data-Intensive Apps
2:15 — Reliability: Tolerating Faults
5:30 — Scalability: Load Parameters & Twitter’s Fan-out
8:45 — The Relational vs. NoSQL Debate
12:20 — Replication: Leaders and Followers
15:50 — The Trouble with Distributed Systems: Networks & Clocks
19:10 — Reaching Consensus in a Broken World
#DistributedSystems #SystemDesign #SoftwareEngineering #Scalability #NoSQL #BackendDevelopment #MartinKleppmann #DDIA #DatabaseInternals #codinglife
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Видео SQL vs NoSQL Is NOT New 🤯 (Here's the Truth Nobody Tells You) канала Priya Bansal