Service Call Monitoring
Polaris (North Star) provides multiple monitoring metrics for service call status of running instances, such as Service Call Count and Service Request Latency, to monitor the operational status of instances and services. You can use these metrics to track Polaris's operational conditions in real time, take timely actions to address potential risks, and ensure system stability. This document explains how to view Polaris service call data through the TSF console.
Monitoring Metrics and Descriptions
Service Call Monitoring
Metric Category | Metric Name | Metric Meaning | Metric Unit |
Number of service calls | Number of service calls | Total number of all call requests between two services, including the number of successful and failed requests | |
| Number of successful service calls | Number of successful call requests between two services | |
| Number of failed service calls | Number of failed call requests between two services | |
| Service call success rate | Number of successful requests/Total number of call requests | % |
| Service call failure rate | Number of failed requests/Total number of call requests | % |
| Number of circuit-broken requests | Number of requests blocked due to the temporary isolation between two services | |
| Number of rate-limited requests | Number of requests that triggered service rate limiting between two services | |
Service call latency | Average service call latency | Average response time for two requests | ms |
| Maximum service call latency | Maximum request response time | ms |
| Minimum service call latency | Minimum request response time | ms |
Viewing Monitoring Data
1. Log in to the Tencent Service Framework (TSF) console
2. In the left sidebar, select Polaris (North Star) to go to the engine instance list page, and click the target instance ID.
3. In the left sidebar tab, select Service Call Monitoring, then choose the target resources and set the time range as needed to view the corresponding monitoring data.
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