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Placing Redis or Memcached clusters strategically to reduce database read pressure.

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Every successful system design interview follows a structured timeline:

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: It covers essential concepts like the CAP theorem , networking protocols (REST vs. RPC), and data modeling.

What is the for your role (e.g., Mid-level, Senior, Staff)? What is the for your role (e

Interviewers do not look for a single "correct" architecture. Instead, they evaluate your signal across several core competencies:

Horizontal vs. vertical scaling, stateless application tiers, and database sharding keys.

: Define tables, primary keys, and indexing strategies.

Choosing between Relational (SQL) for ACID compliance, NoSQL (Key-Value, Document, Wide-Column) for high throughput, or Graph databases for complex relationships.