- 动态与公告
- 新手指引
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- Introduction
- API Category
- Sales and fee related APIs
- Network management related APIs
- Account management related APIs
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- Extended Event APIs
- Read only instance management related APIs
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- Rollback APIs
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- CreateBackupMigration
- ModifyBackupMigration
- StartBackupMigration
- DescribeBackupMigration
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- DescribeUploadBackupInfo
- CreateIncrementalMigration
- ModifyIncrementalMigration
- StartIncrementalMigration
- DescribeIncrementalMigration
- DescribeBackupCommand
- DescribeBackupUploadSize
- DeleteIncrementalMigration
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- 动态与公告
- 新手指引
- 产品简介
- 购买指南
- 快速入门
- 操作指南
- 实践教程
- API 文档
- History
- Introduction
- API Category
- Sales and fee related APIs
- Network management related APIs
- Account management related APIs
- Instance Management APIs
- Data security encryption related APIs
- Parameter configuration related APIs
- Log management related APIs
- Extended Event APIs
- Read only instance management related APIs
- Backup APIs
- Rollback APIs
- Data migration (cold standby migration) related APIs
- CreateBackupMigration
- ModifyBackupMigration
- StartBackupMigration
- DescribeBackupMigration
- DeleteBackupMigration
- DescribeUploadBackupInfo
- CreateIncrementalMigration
- ModifyIncrementalMigration
- StartIncrementalMigration
- DescribeIncrementalMigration
- DescribeBackupCommand
- DescribeBackupUploadSize
- DeleteIncrementalMigration
- Data migration (DTS old version) related APIs
- Making API Requests
- Database APIs
- Other APIs
- Data Types
- Error Codes
- 常见问题
- 相关协议
- 性能测试
- 词汇表
- 联系我们
为实现云数据库 SQL Server 读能力的弹性扩展，分担数据库读压力，您可以创建一个或多个只读实例，利用只读实例满足大量的数据库读取需求。本文为您介绍云数据库 SQL Server 的只读实例规格，帮助您了解 SQL Server 只读实例的规格信息和具体配置，便于您更好的进行只读实例创建。
说明：
在创建只读实例时，只读实例的存储空间大小需要大于等于主实例的存储空间大小。
云数据库 SQL Server 只读实例
版本 | 存储类型 | CPU 和内存 | 存储空间 |
2008 R2 Enterprise
2012 Enterprise
2014 Enterprise
2016 Enterprise
2017 Enterprise
2019 Enterprise
2022 Enterprise | 高性能本地 SSD | 1核 2GB | 10GB - 3000GB |
| | 1核 4GB | |
| | 1核 8GB | |
| | 2核 16GB | |
| | 4核 32GB | |
| | 8核 64GB | |
| | 12核 96GB | |
| | 16核 128GB | 10GB - 8000GB |
| | 24核 192GB | 10GB - 6000GB |
| | 32核 256GB | |
| | 48核 384GB | |
| | 64核 512GB | |
| | 90核 720GB | |
| 通用型 SSD 云硬盘
增强型 SSD 云硬盘 | 2核 4GB | 20GB - 32000GB |
| | 2核 8GB | |
| | 2核 16GB | |
| | 4核 8GB | |
| | 4核 16GB | |
| | 4核 32GB | |
| | 8核 16GB | |
| | 8核 32GB | |
| | 8核 64GB | |
| | 12核 24GB | |
| | 12核 48GB | |
| | 12核 96GB | |
| | 16核 32GB | |
| | 16核 64GB | |
| | 16核 128GB | |
| | 24核 48GB | |
| | 24核 96GB | |
| | 24核 192GB | |
| | 32核 64GB | |
| | 32核 128GB | |
| | 32核 256GB | |
| | 48核 96GB | |
| | 48核 192GB | |
| | 48核 384GB | |
| | 64核 128GB | |
| | 64核 256GB | |
| | 64核 512GB | |
| | 80核 160GB | |
| | 80核 320GB | |
| | 96核 192GB | |
| | 96核 384GB | |
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