49 lines
2.5 KiB
Markdown
49 lines
2.5 KiB
Markdown
---
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title: "CTP Topic 40 SaaS Database Architecture On AWS Cloud"
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type: source
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tags: [SaaS, Database, Architecture, AWS, CTP]
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date: 2026-04-14
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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-40-saas-database-architecture-on-aws-cloud.md]]
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## Summary
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- 核心主题：AWS 云上 SaaS 数据库架构设计，SaaS 数据库团队的全球运维实践
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- 问题域：多区域数据库运维、多租户数据隔离、数据库高可用与灾备
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- 方法/机制：Oracle Data Guard、Postgres Active-Passive、RDS High Availability
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- 结论/价值：提供 24/7 支持，管理 500+ 数据库和 1000+ 服务器，支持 Oracle、Vertica、Postgres、DynamoDB、SQL Server、MongoDB、MySQL 等多种数据库
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## Key Claims
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- SAS 数据库团队分布在全球多个国家（美国、加拿大、印度、以色列），提供全天候支持
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- 团队拥有 Oracle 认证专家、DBA 和安全专业人员
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- 数据库主要部署在应用 VPC 中，集成安全措施
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- 使用 Oracle Data Guard 实现高可用，Postgres 使用 Active-Passive 机制，计划迁移到 Active Active
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- 数据库运行在区域内两个可用区，主数据库在第一区，备用在第二区，第三区作为观察者管理故障转移
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## Key Quotes
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> "The idea was to move those databases seamless without downtime or with minimum downtime." — 数据库迁移目标
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> "Reporting databases have a read-only warehouse in the third availability zone, with secure VPN access for customers to run operational warehousing queries." — 报表数据库架构
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## Key Concepts
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- [[Multi-Tenant Management]]：多租户 SaaS 数据库管理
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- [[High-Availability]]：高可用架构设计
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- [[故障转移]]：自动故障转移机制
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- [[Database Migration]]：数据中心迁移到云端
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## Key Entities
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- [[AWS]]：AWS 云平台
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- [[Amazon Aurora]]：Postgres Aurora 数据库
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- [[Amazon DynamoDB]]：DynamoDB 数据库
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- [[Amazon ElastiCache]]：ElastiCache Redis 缓存
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- [[Oracle]]：Oracle 数据库
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- [[PostgreSQL]]：PostgreSQL 数据库
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## Connections
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- [[CTP Topic 35 AWS Landing Zone Design Refresher (SaaS Labs)]] ← uses ← [[ctp-topic-40-saas-database-architecture-on-aws-cloud]]
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- [[CTP Topic 51 Architecting with AWS Purpose-Built Databases]] ← extends ← [[ctp-topic-40-saas-database-architecture-on-aws-cloud]]
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- [[CTP Topic 66 Exposing the differences between PostgreSQL RDS and Aurora]] ← relates_to ← [[ctp-topic-40-saas-database-architecture-on-aws-cloud]]
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## Contradictions
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- （暂无） |