#Dynamodb

4 posts tagged "dynamodb"

AI System on Native AWS - Part 3 - 即時個人化推薦系統

推薦系統是最經典、商業價值最直接的 AI 系統。本篇用純 AWS 原生服務打造一套即時個人化推薦:Kinesis 收即時行為、SageMaker Feature Store 管線上/離線特徵、SageMaker Endpoint 做低延遲推論、DynamoDB 當候選集與快取,並用 API Gateway + Lambda 對外服務。全部用 CDK(CloudFormation)描述,深入談 online/offline 特徵一致性、召回+排序兩階段、冷啟動與 A/B 測試。

·26 min aiengineering

Building an Intelligent Bitcoin Trading System with AWS CDK and ML Models

Learn how to architect and deploy an intelligent cryptocurrency trading system on AWS using CDK, with historical price analysis, ML-powered predictions from AWS Bedrock and HuggingFace, and event-driven trade execution.

·18 min engineeringarchitecture

AWS DynamoDB Complete Guide: Architecture, Indexing & Performance Optimization

Comprehensive guide to AWS DynamoDB covering data structures, architecture, indexing strategies, secondary indexes, sort keys, and performance optimization techniques for high-speed I/O operations.

engineeringinfrastructure

Building Serverless URL Shortener with AWS CDK

Deep dive into designing and building a production-ready URL shortener using AWS serverless services, exploring architectural tradeoffs, and implementing with AWS CDK.

·18 min engineeringarchitecture