62 lines
3.0 KiB
Markdown
62 lines
3.0 KiB
Markdown
---
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title: "CTP Topic 51 Architecting with AWS Purpose-Built Databases"
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type: source
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tags: [AWS, Database, Purpose-Built, CTP, Cloud-Learning]
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date: 2026-04-18
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---
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## Source File
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- [[raw/Cloud & DevOps/Public-Cloud-Learning-Sessions/01_AWS-Landing-Zone/ctp-topic-51-architecting-with-aws-purpose-built-databases.md]]
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## Summary
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- 核心主题:AWS 专用数据库架构,讲解如何为现代应用选择合适的数据库
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- 问题域:数据库选型、NoSQL vs 关系型、AWS 数据库服务
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- 方法/机制:根据用例选择专用数据库,避免一刀切的数据库架构
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- 结论/价值:AWS 提供全面的专用数据库产品组合,支持不同类型的应用场景
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## Key Claims
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- 现代应用从客户端-服务器模型演进,需考虑可伸缩性、全球低延迟交付和开发者访问
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- 专用数据库选择需考虑应用规模、用户数、访问模式、使用高峰和性能要求
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- Duolingo 使用 DynamoDB 存储个性化数据,ElastiCache 缓存常见词汇,Aurora 处理事务数据
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- DBA 角色在云端演进,从平台管理转向应用创新
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## Key Quotes
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> "We need to start thinking of the right purpose built database for the right application." — Femi George
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> "Amazon Aurora has two flavors, MySQL and PostgreSQL." — Femi George
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> "The role of the DBA is evolving in the cloud." — Femi George
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## Key Concepts
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- [[Purpose-Built Database]]:为特定用例优化的数据库,选择最佳工具而非一刀切
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- [[Amazon Aurora]]:云原生关系型数据库,支持 MySQL 和 PostgreSQL,存储计算分离
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- [[Amazon DynamoDB]]:键值和文档数据库,单数字毫秒延迟,支持每日数万亿请求
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- [[Amazon DocumentDB]]:MongoDB 兼容的文档数据库,灵活模式
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- [[Amazon ElastiCache]]:内存数据库(Redis、Memcached),用于缓存、实时分析
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- [[Amazon Neptune]]:图形数据库,适用于欺诈检测、社交网络、推荐系统
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- [[Amazon Timestream]]:时序数据库,专为 IoT 等高容量时间序列数据设计
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- [[Amazon Keyspaces]]:Apache Cassandra 托管服务,无服务器选项
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## Key Entities
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- [[AWS]]:云平台提供商
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- [[Femi George]]:AWS 数据库销售专家,主讲人
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- [[Duolingo]]:案例公司,使用 DynamoDB + ElastiCache + Aurora
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- [[Netflix]]:案例公司,使用 DynamoDB 存储 JSON 文档
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- [[Peloton]]:案例公司,使用 ElastiCache Redis 提供即时客户反馈
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## Connections
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- [[AWS]] ← offers ← [[Amazon Aurora]]
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- [[AWS]] ← offers ← [[Amazon DynamoDB]]
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- [[AWS]] ← offers ← [[Amazon DocumentDB]]
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- [[AWS]] ← offers ← [[Amazon ElastiCache]]
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- [[AWS]] ← offers ← [[Amazon Neptune]]
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- [[AWS]] ← offers ← [[Amazon Timestream]]
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- [[AWS]] ← offers ← [[Amazon Keyspaces]]
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- [[Duolingo]] ← uses ← [[Amazon DynamoDB]]
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- [[Duolingo]] ← uses ← [[Amazon ElastiCache]]
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- [[Duolingo]] ← uses ← [[Aurora]]
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- [[Netflix]] ← uses ← [[Amazon DynamoDB]]
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- [[Peloton]] ← uses ← [[Amazon ElastiCache]]
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## Contradictions
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- (暂无) |