The World's Most Comprehensive System Design Learning Path

For converting long URLs into shorter, unique aliases while ensuring scalability.

Storing and sharing text or code snippets with unique URLs.

Creating a platform for sharing photos, videos, and social networking.

Creating cloud storage for file sync, sharing, and secure access.

Creating a real-time messaging platform for text, voice, and video communication.

Creating a platform for short text updates, social interaction, and real-time information sharing.

Building a platform for streaming video with scalable delivery and recommendations.

Predicting and displaying user queries in real-time.

Controlling the number of requests a user can make to an API within a specified time frame.

Indexing and retrieving tweets based on keywords and relevance.

Creating a system that systematically browses the web to index and gather data.

Displaying personalized content based on user interactions.

User reviews and local business discovery & showing nearby locations in real-time.

Designing Uber's backend involves real-time ride matching and payment processing.

Building a platform for event ticket sales, distribution, and real-time inventory management.

Designing a scalable counter system to handle billions of likes and views with high write throughput.

Building a social news aggregation and discussion platform with voting, comments, and communities.

Creating a system to send notifications across multiple channels like email, SMS, and push notifications.

Designing a calendar system with event scheduling, reminders, and real-time synchronization.

Building a personalized recommendation engine for content discovery and user engagement.

Designing an email service with storage, search, spam filtering, and real-time delivery.

Creating a global news aggregator that collects, ranks, and delivers news from thousands of sources.

Generating unique, distributed identifiers at scale for a distributed system.

Building a system like LeetCode to compile, execute, and judge code submissions securely.

Designing a secure payment processing system with transaction handling and fraud detection.

Handling high-traffic flash sales with inventory management and preventing overselling.

Creating a distributed system to schedule and deliver time-based reminders and alerts.

Distributing incoming network traffic across multiple servers to ensure reliability and optimal performance.

Manages and routes API requests, providing a unified entry point, security, and request handling.

Translates human-readable domain names into IP addresses, enabling internet navigation.

Storing frequently accessed data temporarily to speed up retrieval and reduce load on the main data source.

Distributes content globally to reduce latency and improve load times.

Divides a database into smaller pieces to improve performance and scalability.

Act as intermediaries between clients and servers to enhance security, privacy, and performance.

Duplicating critical system components to ensure reliability and availability in case of failures.

Balances availability vs consistency during partitions and latency vs consistency otherwise.

Databases store, organize, and manage data for efficient retrieval and manipulation.

Optimize data retrieval speed by creating quick access paths to specific data in a database.

Space-efficient data structures used to test whether an element is likely in a set, with possible false positives.

The minimum number of nodes required to agree on a decision in a distributed system to ensure consistency.

Regular signals sent between system components to monitor their status and ensure they are operational.

Calculated value used to verify the integrity of data by detecting errors or corruption during transmission or storage.

A replication model where the leader handles writes, and followers replicate data for consistency.

Messaging System enables reliable communication between applications via message passing.

Allows access to files across multiple servers, ensuring scalability and fault tolerance.

A communication method where nodes in a network spread information randomly to ensure eventual consistency.

"Split Brain" occurs when network partitions cause multiple nodes to act as leaders, leading to conflicts.

Track causal relationships between events in distributed systems to ensure consistency.

Data structures that verify large data sets' integrity by organizing hashes into a hierarchical tree.