This guide explains AHAS core functions, usage scenarios, protection features, and step‑by‑step instructions for login, quick start, and rule configuration.
Alibaba Cloud Application High Availability Service (AHAS) provides application‑level and gateway‑level protection. Application protection uses Sentinel to control traffic, perform circuit breaking, and protect system resources, while gateway protection controls inbound traffic to prevent downstream overload.
The guide walks users through logging into the AHAS console, accessing the demo application, creating flow‑control rules, and monitoring resources. It also includes reference information on configuration parameters and common troubleshooting questions. This manual is written in Chinese.
| Sentinel metric file size | 50 MB |
|---|---|
| Log output type | file |
Enter the Apsara Uni‑manager console address in a browser, provide your username and password, and follow the prompts to change the initial password.
QPS defines the maximum number of requests per second allowed for the resource; exceeding this value triggers the configured flow‑control behavior.