Amazon Aurora is a fully managed relational database service offered by AWS (Amazon Web Services). It is designed to be highly scalable, durable, and performant, making it suitable for a broad range of applications. Aurora is compatible with popular databases like MySQL and PostgreSQL, so you can easily migrate your existing applications to Aurora.
Key Features of Amazon Aurora
Aurora comes with several key features that set it apart from traditional database services:
1. Distributed Architecture
Amazon Aurora uses a distributed architecture that allows it to scale horizontally across multiple availability zones. This means that it can handle a large number of concurrent connections and transactions without sacrificing performance.
2. MySQL and PostgreSQL Compatibility
Aurora is compatible with MySQL and PostgreSQL, which means that you can use your existing MySQL or PostgreSQL tools and code without any major modifications. This makes it easy to migrate your applications to Aurora without rewriting your database code.
3. High Performance
Aurora is designed to deliver high performance for both read and write workloads. It uses an SSD-backed storage layer and an innovative parallel query execution engine to achieve low latencies and high throughput. It also provides automatic caching of frequently accessed data, further improving performance.
4. Data Durability and Fault Tolerance
Aurora automatically replicates your data across multiple availability zones to ensure durability and fault tolerance. It also continuously backs up your data to Amazon S3 (Simple Storage Service) for added data protection. These features make Aurora highly reliable and suitable for mission-critical applications.
5. Continuous Backup and Point-in-Time Recovery
Aurora provides continuous backup by automatically backing up your data to Amazon S3. It also allows you to perform point-in-time recovery, enabling you to restore your database to any point within a specific retention period. This feature helps you protect your data against accidental or malicious deletion.
6. Easy Scalability
Aurora makes it easy to scale your database up or down based on your application's needs. You can add more compute and storage resources with a few clicks or automate the scaling process using AWS Auto Scaling. This flexibility allows you to handle sudden spikes in traffic or adjust your resources to match your workload.
Conclusion
Amazon Aurora is a powerful and feature-rich relational database service offered by AWS. Its distributed architecture, compatibility with MySQL and PostgreSQL, high performance, data durability, and easy scalability make it an ideal choice for modern applications. Whether you are building a new application or migrating an existing one, Aurora can provide the reliability, performance, and flexibility you need.
本文来自极简博客，作者：樱花树下，转载请注明原文链接：Introduction to Amazon Aurora: AWS's Relational Database Service
