跳至主要内容

Amazon MemoryDB 和适用于 Valkey 的 Amazon MemoryDB 有什么区别？

并排比较 Amazon MemoryDB 和适用于 Valkey 的 Amazon MemoryDB — 功能、定价和理想使用场景，以帮助您选择正确的产品。

并排比较

比较
Amazon MemoryDB
适用于 Valkey 的 Amazon MemoryDB
类别

数据库，内存中

数据库，内存中
说明

与 Valkey 和 Redis OSS 兼容的完全托管的内存数据库

与 Valkey 和 Redis OSS 兼容的持久型内存数据库，具有超快性能。
最适用于
  • 会话存储
  • 实时排行榜
  • 流数据
  • 具有持久性的缓存
  • 会话存储
  • 具有持久性的缓存
  • 实时应用程序
  • 排行榜
主要功能
  • 与 Redis 兼容
  • 多可用区持久性
  • 微秒级读取
  • 支持事务处理
  • Auto Scaling
  • 与 Valkey 兼容
  • 多可用区持久性
  • 微秒级读取
  • 数据分层
  • 向量搜索
定价模式

按需或预留节点 + 数据存储

按节点小时 + 存储的数据付费
免费套餐

否

否
专家点评

“MemoryDB 是通过事务日志内置持久性的 Redis。当您需要 Redis 作为主数据库（而不仅仅是缓存）并且无法承受失效转移导致的数据丢失时，可以选择它而不是 ElastiCache。为了保证持久性，代价是稍高的写入延迟。”
— Didier Durand，re:Post 顶级贡献者 [个人资料]

“适用于 Valkey 的 Amazon MemoryDB 提供了与 Valkey 兼容且持久的内存数据库。它是 Redis 的开源替代方案，具有相同的 API 兼容性。”
— Oleksii Bebych, re:Post 顶级贡献者 [个人资料]
产品页面

了解有关 Amazon MemoryDB 的更多信息 »

了解有关适用于 Valkey 的 Amazon MemoryDB 的更多信息 »

何时使用 Amazon MemoryDB 或适用于 Valkey 的 Amazon MemoryDB

在以下情况下使用 Amazon MemoryDB：

  • 会话存储
  • 实时排行榜
  • 流数据
  • 具有持久性的缓存

了解有关 Amazon MemoryDB 的更多信息 »

在以下情况下使用适用于 Valkey 的 Amazon MemoryDB：

  • 会话存储
  • 具有持久性的缓存
  • 实时应用程序
  • 排行榜

了解有关适用于 Valkey 的 Amazon MemoryDB 的更多信息 »

AWS product comparisons

Read about AWS products side-by-side

显示 1 - 8 (21)
2026-07-30

What's the difference between Amazon Aurora and Amazon Neptune?

Both are purpose-built, fully managed AWS databases, but they solve fundamentally different problems. Aurora handles structured relational data with SQL; Neptune handles highly connected data where relationships between entities are the primary query pattern.
Learn more
2026-07-30

What's the difference between Amazon RDS and Amazon Redshift?

Both run SQL queries, but they're optimized for fundamentally different workloads. RDS handles transactional operations (inserts, updates, lookups) for your application. Redshift handles analytical queries (aggregations, scans, joins across billions of rows) for your data team.
Learn more
2026-07-30

What's the difference between Amazon Aurora and Amazon DynamoDB?

Both are fully managed AWS database services, but they serve fundamentally different data models and access patterns. Aurora is a relational database for structured data with relationships; DynamoDB is a NoSQL key-value store built for single-digit millisecond performance at any scale.
Learn more
2026-07-30

What's the difference between Amazon DocumentDB and Amazon Neptune?

Both handle semi-structured data, but they're optimized for different query patterns. DocumentDB stores and queries JSON documents; Neptune stores and traverses relationships between entities.
Learn more
2026-07-30

What are the differences between Amazon DynamoDB and Amazon DocumentDB?

Both are fully managed NoSQL databases on AWS, but they serve different data models. DynamoDB is a key-value store optimized for known access patterns at massive scale; DocumentDB is a document database for flexible JSON schemas with MongoDB compatibility.
Learn more
2026-07-30

What's the difference between Amazon DynamoDB and Amazon Keyspaces?

Both are fully managed, serverless-capable NoSQL databases on AWS. DynamoDB is AWS-native with its own API and data model; Keyspaces is Apache Cassandra-compatible, letting you use existing Cassandra drivers, tools, and expertise.
Learn more
2026-07-30

What's the difference between Amazon ElastiCache and Amazon MemoryDB?

Both are Redis-compatible, fully managed in-memory services on AWS. ElastiCache is designed as a caching layer in front of another database; MemoryDB is designed as a primary database that combines in-memory speed with Multi-AZ durability.
Learn more
2026-07-30

What's the difference between Amazon Aurora and Amazon RDS?

Both are fully managed relational database services on AWS, but Aurora is a cloud-native engine built for higher performance and availability, while RDS gives you familiar open-source and commercial engines with less operational overhead than self-managed.
Learn more

Did you find what you were looking for today?

Let us know so we can improve the quality of the content on our pages