This topic provides answers to some frequently asked questions about Microservices Governance of Microservices Engine (MSE). This helps you understand and use Microservices Governance.
Canary release of Microservices Governance agents
If you use an application deployed in an Alibaba Cloud Container Service for Kubernetes (ACK) cluster, you can configure a canary release for Microservices Governance agents by following the instructions in Configure a canary release for MSE agents.
Metric types and descriptions of Microservices Governance
Metric | Type | Description |
Total number of requests | Value range | Total number of requests = Number of allowed requests + Number of denied requests |
Number of allowed requests | Value range | The number of allowed requests when traffic protection rules are not triggered. In this case, request calls are not initiated. |
Number of denied requests | Value range | The number of denied requests when traffic protection rules are triggered. |
Number of abnormal requests | Value range | The number of requests that encounter Java exceptions. |
Average response time | Value range | The average response time that is obtained when requests are completed. |
Concurrency | Instantaneous value | The number of requests that are being called. |
In metrics, queries per second (QPS) data reflects data in seconds. Coarse-grained data is named in the format of "Time period + Metric value", such as "5-minute allowed requests".