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Articles tagged with #distributed-system
Redis Fundamentals Redis is an in-memory key-value store that delivers sub-millisecond response times and handles up to 1 million queries per second. Originally a simple key-value store, Redis now supports sets, pub/sub messaging, and atomic transact...
Introduction to SSE Server-Sent Events (SSE) let servers send real-time updates to clients over one HTTP connection. Unlike WebSockets, SSE only goes from server to client and uses standard HTTP, making it easier to set up and more compatible with cu...
Guide to file uploads The Old Way Back then, file uploads were simple. Files went straight to your server. This caused problems: Server gets overwhelmed Security risks High bandwidth costs Timeouts with big files Pre-signed URLs: A Better Way I...
Event Sourcing turns events into the source of truth. A bank account is the classic example. Instead of just storing the balance: // Traditional approach (current state) { "accountId": "123", "balance": 1000 } // Event Sourcing (history of chang...
Full Snapshot Load Full Snapshot Load is like taking a complete photograph. It copies everything each time. Simple but resource-intensive. Implementation: Database dumps and restores ETL tools like Apache NiFi Key challenge: Managing system resour...
Introduction We'll go through some core timestamps when working with software systems. TypeScript may not be your language, but it's mine. I'll use it to demonstrate examples. Unix Timestamp A Unix timestamp counts seconds. It starts from January 1, ...
