This topic describes Lightweight Database Service, including its scenarios, advantages, billing, and limits.
Introduction
Lightweight Database Service is built on Alibaba Cloud's proprietary ApsaraDB RDS (Relational Database Service). It offers simplified O&M, high cost-effectiveness, and an excellent user experience. The service uses Alibaba Cloud Apsara distributed storage to ensure data security and reliability.
Scenarios
Small websites or applications
Lightweight Database Service is a cost-effective option that eliminates the need for database O&M, which lets you focus on your core business.
Personal learning
Database beginners can use the Basic Edition of Lightweight Database Service to test and learn about databases.
Development and testing
You can create resources at any time using the rapid delivery capability of Lightweight Database Service. This greatly improves development efficiency.
Advantages
You can use DMS to log on to databases with one click for simplified O&M.
Lightweight Database Service is cost-effective because it is purchased as a package.
Simple Application Server instances can connect to Lightweight Database Service over an internal network for an improved user experience.
Billing
Lightweight Database Service supports only the subscription billing method. When you create a Lightweight Database Service instance, you must pay a fee based on the selected package and subscription duration. Supported subscription durations are 1 month, 3 months, 6 months, 1 year, 2 years, and 3 years.
Inbound and outbound Internet traffic that is generated when you access Lightweight Database Service over the public network is currently free of charge.
Lightweight Database Service currently offers packages at CNY 200/month and CNY 300/month. The following table describes the package configurations.
The supported packages vary by region. The actual packages are subject to the information on the product purchase page.
Package configuration | CNY 200/month package | CNY 300/month package |
vCPU | 2-core | 2-core |
Memory | 4 GB | 8 GB |
System disk | 120 GB | 240 GB |
Supported regions and database versions
Lightweight Database Service is available in the following regions: China (Hangzhou), China (Beijing), China (Shenzhen), China (Shanghai), China (Chengdu), China (Hong Kong), and Singapore.
The service currently supports only MySQL 5.7 and MySQL 8.0.
Limits
The default quota for the total number of Simple Application Server instances, Simple Application Load Balancer instances, Simple Container Service instances, and Simple Database Service instances per Alibaba Cloud account in a single region is 50.
Error logs are retained for 30 days.
Slow query log details are retained for 7 days.
Related concepts
The following table describes concepts related to Lightweight Database Service.
Concept | Description |
Database service instance | A database service process. You can select the compute resources, memory size, disk space, and database type. |
Database | A logical unit created within an instance. You can create multiple databases in an instance. Each database must have a unique name within the instance. |
Error log | A log of database runtime errors. |
Slow query log | A log of SQL statements that take longer than 1 second to run. Similar statements are deduplicated. |