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Last updated：2021-05-26 16:59:48
Kingsoft Cloud Monitor Service (CMS) collects and displays statistics on Server Load Balancing (SLB) data by default. You can view the statistics to determine whether the system is operating correctly. For more information about CMS, see CMS documentation.
Currently, both public SLB instances and private SLB instances support the monitoring feature. You can go to the Server Load Balancing page, select an SLB instance, and view data on the Traffic Statistics (All) and Traffic Statistics (Internet) tabs. Alternatively, you can go to the Listener page, select a listener, and view data on the Traffic Statistics tab.
Currently, public SLB instances and private SLB instances support the following monitoring levels. The sampling period is 30s by default.
The following tables describe the monitoring metrics for the supported monitoring levels.
Monitoring metrics at the SLB instance level
| Metric | Description |
|---|---|
| slb.bps.in | The inbound traffic per second on an SLB instance. Unit: bit/s |
| slb.bps.out | The outbound traffic per second on an SLB instance. Unit: bit/s |
| slb.pps.in | The number of inbound packets per second on an SLB instance. |
| slb.pps.out | The number of outbound packets per second on an SLB instance. |
| slb.cps | The number of connections established on an SLB instance per second. |
| slb.activeconn | The number of active connections to an SLB instance. |
| slb.inactiveconn | The number of inactive connections to an SLB instance. |
| slb.concurrentconn | The number of concurrent connections on an SLB instance. |
Monitoring metrics at the Layer 4 listener level
| Metric | Description |
|---|---|
| listener.bps.in | The average inbound traffic per second on a listener in the sampling period. Unit: bit/s |
| listener.bps.out | The average outbound traffic per second on a listener in the sampling period. Unit: bit/s |
| listener.pps.in | The average number of inbound packets per second on a listener in the sampling period. |
| listener.pps.out | The average number of outbound packets per second on a listener in the sampling period. |
| listener.cps | The average number of connections established on a listener per second in the sampling period. |
| listener.activeconn | The number of active connections to a listener. |
| listener.inactiveconn | The number of inactive connections to a listener. |
| listener.concurrentconn | The number of concurrent connections on a listener. |
Monitoring metrics at the Layer 7 listener level
| Metric | Description |
|---|---|
| listener.bps.in | The average inbound traffic per second on a listener in the sampling period. Unit: bit/s |
| listener.bps.out | The average outbound traffic per second on a listener in the sampling period. Unit: bit/s |
| listener.pps.in | The average number of inbound packets per second on a listener in the sampling period. |
| listener.pps.out | The average number of outbound packets per second on a listener in the sampling period. |
| listener.cps | The average number of connections established on a listener per second in the sampling period. |
| listener.activeconn | The number of active connections to a listener. |
| listener.inactiveconn | The number of inactive connections to a listener. |
| listener.concurrentconn | The number of concurrent connections on a listener. |
| listener.httpcode.4xx | The number of 4xx status codes returned by the listener in the sampling period. |
| listener.httpcode.5xx | The number of 5xx status codes returned by the listener in the sampling period. |
| listener.httpcode.backend.2xx | The number of 2xx status codes returned by the real server in the sampling period. |
| listener.httpcode.backend.3xx | The number of 3xx status codes returned by the real server in the sampling period. |
| listener.httpcode.backend.4xx | The number of 4xx status codes returned by the real server in the sampling period. |
| listener.httpcode.backend.5xx | The number of 5xx status codes returned by the real server in the sampling period. |
| listener.latency | The average time taken by an HTTP request to reach the backend. Unit: ms |
| listener.requestcount | The number of HTTP requests completed in the sampling period. |
Pure Mode
