| Scalability |
Handling more users/data without losing performance. |
Expanding a balloon without it bursting. |
Ensures continued performance as demand grows. |
| Load Balancers |
Directing traffic evenly across multiple servers. |
A restaurant manager directing customers to waiters. |
Improves availability, performance, and security. |
| Object Storage |
Storing vast amounts of unstructured data as “objects.” |
A giant, flexible digital warehouse for any file. |
Massive scalability and cost-effective storage. |
| Message Queues |
A buffer for communication between different services. |
An order ticket system in a busy restaurant. |
Decouples services, improves reliability. |
| Microservices |
Breaking a large app into small, independent services. |
Building a car from interchangeable modules. |
Faster development, better resilience, flexible tech. |
| Caching |
Storing frequently used data for quick access. |
A chef keeping popular ingredients close at hand. |
Dramatically faster data retrieval, reduced costs. |
| CAP Theorem |
Choosing between Consistency or Availability during network issues. |
A long-distance phone call during a storm. |
Guides crucial data architecture trade-offs. |
| Database |
Organized storage for your application’s data. |
A meticulously organized library or filing cabinet. |
Reliable data storage and retrieval. |
| Rate Limiting |
Controlling how many requests a user can make. |
A bouncer at a popular club managing the queue. |
Prevents abuse, protects resources, ensures fairness. |
| Partitioning |
Dividing a large database into smaller, manageable pieces. |
Splitting a giant library into smaller, focused sections. |
Improves scalability, availability, and performance. |
| CDN |
Servers globally distributed to deliver content faster. |
Delivering packages from a local distribution center. |
Reduces latency, lowers bandwidth costs, boosts speed. |
| Stream Processing |
Analyzing data in real-time as it’s generated. |
A live news ticker, constantly updating. |
Instant insights and immediate action. |
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