How we evolved our Lambda-based real-time AI streaming stack for SaaS: integrating streaming, credit management, and subscription-based throttling. Patterns, challenges, and lessons from Helpmaton’s production deployment.
How to implement tiered API throttling in AWS API Gateway using subscriptions, without requiring clients to send or manage API keys. Learn how to map subscriptions to usage plans with a custom Lambda authorizer for seamless and secure rate limiting.
How we built a CRDT compaction system for Decipad, merging Y.js updates to dramatically reduce storage costs and improve real-time collaboration performance in high-frequency editing scenarios.
Discover how Decipad's lazy column architecture enables seamless analysis of massive datasets by combining lazy evaluation, chunked access, and async computation for performance and scalability.
How we designed and implemented a reactive, type-safe, spreadsheet-inspired language with real-time updates, dependency tracking, and incremental computation.
A practical implementation of bringing data closer to edge compute, with real-world examples and performance benchmarks.