This topic provides a comprehensive overview of ApsaraDB for SelectDB's billing mode, including methods, billable items, and common operations. This helps you quickly understand how you are charged and how to manage your billing information.
Quick pricing overview
ApsaraDB for SelectDB pricing is dynamic and based on your chosen instance configuration, primarily driven by computing resources, cache size, and storage. While specific unit prices are subject to regional variations and real-time updates, understanding the billing components is key to managing your costs.
Billing methods
ApsaraDB for SelectDB supports two flexible billing methods: subscription and pay-as-you-go. Here is a comparison:
Billing method | Description | Scenario |
Subscription | A fixed-term billing method where you pay upfront for a set period. You complete the payment when you create an instance or a cluster. | Ideal for long-term and more cost-effective than the pay-as-you-go billing method. You benefit from lower prices for longer subscription durations. |
Pay-as-you-go | You are charged based on actual usage. After you create an instance or a cluster, fees are calculated on an hourly basis. | Perfect for temporary use, short-term projects, and testing phases. Offers more flexibility for scaling. You can immediately delete or release the cluster or instance when no longer needed. |
You can change from one billing method to another. See more details in the following topics:
Billable items
The total fee for ApsaraDB for SelectDB is calculated based on three primary billable items: computing resources, cache size, and storage resources:
Billable item | Billing method | Description & fee calculation formula |
Computing resources |
| Computing resource fee = Unit price of computing resources × Number of compute capacity units (CCUs) of computing resources × Subscription or usage duration. Note 1 CCU is equal to 1 CPU core and 4 GB of memory. The number of CPU cores that you can purchase is an integral multiple of 1, and the memory size that you can purchase is an integral multiple of 4. |
Cache size |
| Cache size fee = Unit price of cache size × Cache size × Subscription or usage duration. |
Storage resources |
| Storage resource fee = Unit price of storage resources × Used storage space × Usage duration |
Common billing tasks and operations
To efficiently manage your ApsaraDB for SelectDB costs and billing, see the following topics:
Billable items and unit prices: Get detailed, numerical unit prices for all billable items (computing resources, cache size, storage resources). Note that unit prices may vary based on region.
Change the billing method: Learn how to switch between subscription and pay-as-you-go to optimize your costs.
Billing of configuration changes: Understand how modifications to your instance configuration impact your bill.
Impacts of expiration and overdue payments: Information on service continuity and potential charges related to instance expiration or overdue payments.
Renewal policy: Details on automatic renewals and manual renewal options for your services.
Refund policy: Eligibility and process for requesting refunds for ApsaraDB for SelectDB services.
Resource usage and bills: Access your detailed usage reports and monthly invoices.
Frequently Asked Questions (FAQ)
Q: Is there a significant cost difference between Subscription and Pay-as-you-go?
A: Yes, Subscription is generally more cost-effective for long-term use. We recommend reviewing the pricing page to compare the rates based on your specific needs.
Q: Are there any hidden fees?
A: Alibaba Cloud strives for transparent billing.
Q: How are international taxes or currency conversions handled?
A: Pricing displayed on the website is typically in USD. Local taxes may apply based on your region. For details on local currency options and tax implications, contact customer support.