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System Design Interview Mastery

Course Contents

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Anatomy of the System Design Interview Requirements & NFRs That Matter The Delivery Framework The Design Template Communicating While Designing Whiteboard & Diagram Craft The Questions Everyone Asks (FAQ)Full Mock Walkthrough Checkpoint: The Method

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Pattern: Scaling Reads Pattern: Scaling Writes Pattern: Dealing with Contention Pattern: Real-time Updates Pattern: Long-Running Tasks Pattern: Handling Large Blobs Pattern: Multi-Step Processes Pattern: Fan-out — Feeds & Timelines Pattern: Top-K & Counting at Scale Pattern: Proximity & Geo Pattern: Dedup & Uniqueness Pattern: Search-Shaped Problems Checkpoint: Problem Patterns

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Redis, Inside-Out PostgreSQL, Inside-Out Cassandra, Inside-Out DynamoDB, Inside-Out Elasticsearch, Inside-Out MongoDB, Inside-Out Checkpoint: Technology Deep-Dives: Data

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Kafka, Inside-Out Flink, Inside-Out ZooKeeper & etcd, Inside-Out S3 & Object Storage, Inside-Out Gateways: nginx & Envoy Landmark Systems & Papers Map Checkpoint: Technology Deep-Dives: Infra

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SQL vs NoSQL, Decided Postgres vs DynamoDB vs Cassandra Kafka vs RabbitMQ vs SQS Redis vs Memcached REST vs gRPC vs GraphQL Push vs Pull Latency vs Accuracy The Cloud-Service Map Checkpoint: The Decision Layer

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How You're Actually Graded The L4 / L5 / L6 Rubric The Marketplace @L4 The Marketplace @L5 The Marketplace @L6 The Level Jumps on a Second Problem Failure Modes by Level Grade Yourself Checkpoint: Level Calibration Capstone Pass 5: The Full Interview Run

DynamoDB, Inside-Out

Look inside DynamoDB — why a write can be throttled by an index, what an index costs each write, why an index is partitioned by its own key, and the other hard edges to know before you pick it.

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