Alibaba Cloud CDN enforces quotas on refresh URLs, refresh directories, prefetch URLs, and accelerated domain names. You can view, increase, and monitor these quotas through Quota Center.
CDN quota items
CDN enforces quotas on the following resources:
| Quota item | Reset cycle | How to increase |
|---|---|---|
| URLs that can be refreshed | Daily (replenished at 00:00:00 UTC+8) | Submit an application through Quota Center |
| Directories that can be refreshed | Daily (replenished at 00:00:00 UTC+8) | Submit an application through Quota Center |
| URLs that can be prefetched | Daily (replenished at 00:00:00 UTC+8) | Submit an application through Quota Center |
| Accelerated domain names | One-time (fixed until increased) | Submit an application through Quota Center |
For default values and hard limits, see Limits.
Prerequisites
Before you begin, make sure that you have:
An Alibaba Cloud account, or a Resource Access Management (RAM) user with quota management permissions granted by the Alibaba Cloud account. To grant permissions, see Authorize a RAM user
View and manage CDN quotas
Log on to the Quota Center console.
In the left-side navigation pane, choose Products > General Quotas.
On the Products with General Quotas page, select Media Service & CDN from the Category drop-down list.
Click CDN to open the CDN quota management page.
Perform the operations you need:
Operation Steps Request a quota increase Click Apply in the Actions column. For details, see Submit an application to increase a quota. View application history Click Application Records in the Actions column. For details, see Query applications and view application details. Create an alert rule Click Create Alarm Rule in the Actions column. You can configure alerts based on quota values, used quotas, or usage percentages. For details, see Create an alert rule for a quota item. View existing alert rules Click Alarm Rules in the Actions column. For details, see View alert rules created for quota items and rule details.
If the quota value you need exceeds the documented Limits, submit an application in Quota Center. Alibaba Cloud reviews applications based on your business requirements. For details, see Submit an application to increase a quota.
Automate quota management through APIs
To query and manage CDN quotas programmatically, use Quota Center API operations.