Monitoring Metrics

Overview

This section describes the namespace, the metrics that can be monitored by Cloud Eye, and dimensions of these metrics. You can view the metrics reported by ELB and the generated alarms on the Cloud Eye console.

Namespace

SYS.ELB

Load Balancer Metrics

For shared load balancers, you can view the monitoring metrics by load balancer or listener.

**Table 1** Metrics supported by each shared load balancer
Metric ID	Name	Description	Value Range	Unit	Conversion Rule	Monitored Object (Dimension)	Monitoring Interval (Raw Data)
m1_cps	Concurrent Connections	Load balancing at Layer 4: total number of TCP and UDP connections established between the monitored object and backend servers. Load balancing at Layer 7: total number of TCP connections established between the clients and the monitored object.	≥ 0	Count	N/A	Shared load balancer	1 minute
m2_act_conn	Active Connections	The number of active TCP and UDP connections established between the monitored object and backend servers. You can run the following command to view the connections (both Windows and Linux servers): netstat -an	≥ 0	Count	N/A	Shared load balancer	1 minute
m3_inact_conn	Inactive Connections	The number of inactive TCP and UDP connections established between the monitored object and backend servers. You can run the following command to view the connections (both Windows and Linux servers): netstat -an	≥ 0	Count	N/A	Shared load balancer	1 minute
m4_ncps	New Connections	The number of new connections established between clients and the monitored object per second.	≥ 0	Count/s	N/A	Shared load balancer	1 minute
m5_in_pps	Incoming Packets	The number of packets received by the monitored object per second.	≥ 0	Count/s	N/A	Shared load balancer	1 minute
m6_out_pps	Outgoing Packets	The number of packets sent from the monitored object per second.	≥ 0	Count/s	N/A	Shared load balancer	1 minute
m7_in_Bps	Inbound Traffic Rate	How fast the inbound traffic reaches the monitored object.	≥ 0	Byte/s	1000 (SI)	Shared load balancer	1 minute
m8_out_Bps	Outbound Traffic Rate	How fast the outbound traffic leaves the monitored object.	≥ 0	Byte/s	1000 (SI)	Shared load balancer	1 minute
m9_abnormal_servers	Unhealthy Servers	The number of unhealthy backend servers associated with the monitored object.	≥ 0	Count	N/A	Shared load balancer	1 minute
ma_normal_servers	Healthy Servers	The number of healthy backend servers associated with the monitored object.	≥ 0	Count	N/A	Shared load balancer	1 minute
m22_in_bandwidth	Inbound Bandwidth	The bandwidth used for accessing the monitored object from external networks.	≥ 0	bit/s	1000 (SI)	Shared load balancer	1 minute
m23_out_bandwidth	Outbound Bandwidth	The bandwidth used by the monitored object to access external networks.	≥ 0	bit/s	1000 (SI)	Shared load balancer	1 minute
m1e_server_rps	Reset Packets from Backend Servers	The number of reset packets sent by backend servers to clients per second. These reset packets are generated by the backend servers and then forwarded by the load balancer. Supported protocols: TCP	≥ 0	Count/s	N/A	Shared load balancer	1 minute
m21_client_rps	Reset Packets from Clients	The number of reset packets sent by clients to backend servers per second. These reset packets are generated by clients and then forwarded by the load balancer. Supported protocols: TCP	≥ 0	Count/s	N/A	Shared load balancer	1 minute
m1f_lvs_rps	Reset Packets from Load Balancer	The number of reset packets generated by the load balancer per second. Supported protocols: TCP	≥ 0	Count/s	N/A	Shared load balancer	1 minute
mb_l7_qps	Layer 7 Query Rate	The number of queries the monitored object receives per second at Layer 7. Supported protocols: HTTP/HTTPS	≥ 0	Count/s	N/A	Shared load balancer	1 minute
mc_l7_http_2xx	2xx Status Codes (Total)	The number of 2xx status codes returned by the monitored object and backend servers per second at Layer 7. Supported protocols: HTTP/HTTPS	≥ 0	Count/s	N/A	Shared load balancer	1 minute
md_l7_http_3xx	3xx Status Codes (Total)	The number of 3xx status codes returned by the monitored object and backend servers per second at Layer 7. Supported protocols: HTTP/HTTPS	≥ 0	Count/s	N/A	Shared load balancer	1 minute
me_l7_http_4xx	4xx Status Codes (Total)	The number of 4xx status codes returned by the monitored object and backend servers per second at Layer 7. Supported protocols: HTTP/HTTPS	≥ 0	Count/s	N/A	Shared load balancer	1 minute
mf_l7_http_5xx	5xx Status Codes (Total)	The number of 5xx status codes returned by the monitored object and backend servers per second at Layer 7. Supported protocols: HTTP/HTTPS	≥ 0	Count/s	N/A	Shared load balancer	1 minute
m10_l7_http_other_status	Other Status Codes (Total)	The number of other status codes returned by the monitored object and backend servers per second at Layer 7. Excluded status codes: 2xx, 3xx, 404 Not Found, 499 Client Closed Request, and 502 Bad Gateway Supported protocols: HTTP/HTTPS	≥ 0	Count/s	N/A	Shared load balancer	1 minute
m11_l7_http_404	404 Not Found (Total)	The number of 404 Not Found status codes returned by the monitored object and backend servers per second at Layer 7. Supported protocols: HTTP/HTTPS	≥ 0	Count/s	N/A	Shared load balancer	1 minute
m12_l7_http_499	499 Client Closed Request (Total)	The number of 499 Client Closed Request status codes returned by the monitored object and backend servers per second at Layer 7. Supported protocols: HTTP/HTTPS	≥ 0	Count/s	N/A	Shared load balancer	1 minute
m13_l7_http_502	502 Bad Gateway (Total)	The number of 502 Bad Gateway status codes returned by the monitored object and backend servers per second at Layer 7. Supported protocols: HTTP/HTTPS	≥ 0	Count/s	N/A	Shared load balancer	1 minute
m14_l7_rt	Average Layer 7 Response Time	Average response time of the monitored object at Layer 7. The response time starts when the monitored object receives requests from the clients and ends when it returns all responses to the clients. Supported protocols: HTTP/HTTPS NOTE: The average response time it takes to establish a WebSocket connection may be very long. This metric cannot be used as a reference.	≥ 0	ms	1000 (SI)	Shared load balancer	1 minute
m15_l7_upstream_4xx	4xx Status Codes (Backend Servers)	The number of 4xx status codes returned by the backend servers per second at Layer 7. Supported protocols: HTTP/HTTPS	≥ 0	Count/s	N/A	Shared load balancer	1 minute
m16_l7_upstream_5xx	5xx Status Codes (Backend Servers)	The number of 5xx status codes returned by the backend servers per second at Layer 7. Supported protocols: HTTP/HTTPS	≥ 0	Count/s	N/A	Shared load balancer	1 minute
m18_l7_upstream_2xx	2xx Status Codes (Backend Servers)	The number of 2xx status codes returned by the backend servers per second at Layer 7. Supported protocols: HTTP/HTTPS	≥ 0	Count/s	N/A	Shared load balancer	1 minute
m19_l7_upstream_3xx	3xx Status Codes (Backend Servers)	The number of 3xx status codes returned by the backend servers per second at Layer 7. Supported protocols: HTTP/HTTPS	≥ 0	Count/s	N/A	Shared load balancer	1 minute
m17_l7_upstream_rt	Average Server Response Time	Average response time of backend servers associated with the monitored object at Layer 7. The response time starts when the monitored object routes the requests to the backend server and ends when the monitored object receives a response from the backend server. Supported protocols: HTTP/HTTPS NOTE: The average response time it takes to establish a WebSocket connection may be very long. This metric cannot be used as a reference.	≥ 0	ms	1000 (SI)	Shared load balancer	1 minute
m1a_l7_upstream_rt_max	Maximum Server Response Time	Maximum response time of the backend server associated with the monitored object at Layer 7. The response time starts when the monitored object routes the requests to the backend server and ends when the monitored object receives a response from the backend server. Supported protocols: HTTP/HTTPS	≥ 0	ms	1000 (SI)	Shared load balancer	1 minute
m1b_l7_upstream_rt_min	Minimum Server Response Time	Minimum response time of the backend server associated with the monitored object at Layer 7. The response time starts when the monitored object routes the requests to the backend server and ends when the monitored object receives a response from the backend server. Supported protocols: HTTP/HTTPS	≥ 0	ms	1000 (SI)	Shared load balancer	1 minute
m1c_l7_rt_max	Maximum Layer 7 Response Time	Maximum response time of the monitored object at Layer 7. The response time starts when the monitored object receives requests from the clients and ends when it returns all responses to the clients. Supported protocols: HTTP/HTTPS	≥ 0	ms	1000 (SI)	Shared load balancer	1 minute
m1d_l7_rt_min	Minimum Layer 7 Response Time	Minimum response time of the monitored object at Layer 7. The response time starts when the monitored object receives requests from the clients and ends when it returns all responses to the clients. Supported protocols: HTTP/HTTPS	≥ 0	ms	1000 (SI)	Shared load balancer	1 minute
m25_l7_resp_Bps	Layer 7 Response Bandwidth	The bandwidth used by the backend servers associated with the monitored object to return responses to clients. NOTE: When HTTP/2 is enabled for a listener, this metric cannot be used as a reference.	≥ 0	bit/s	1000 (SI)	Shared load balancer	1 minute
m24_l7_req_Bps	Layer 7 Request Bandwidth	The bandwidth used by the backend servers associated with the monitored object to receive requests from clients. NOTE: When HTTP/2 is enabled for a listener, this metric cannot be used as a reference.	≥ 0	bit/s	1000 (SI)	Shared load balancer	1 minute

Listener Metrics

**Table 2** Metrics supported by each listener
Metric ID	Name	Description	Value Range	Unit	Conversion Rule	Monitored Object (Dimension)	Monitoring Interval (Raw Data)
m1_cps	Concurrent Connections	Load balancing at Layer 4: total number of TCP and UDP connections established between the monitored object and backend servers. Load balancing at Layer 7: total number of TCP connections established between the clients and the monitored object. Unit: Count	≥ 0	Count	N/A	Shared load balancer - listener	1 minute
m2_act_conn	Active Connections	The number of active TCP and UDP connections established between the monitored object and backend servers. You can run the following command to view the connections (both Windows and Linux servers): netstat -an Unit: Count	≥ 0	Count	N/A	Shared load balancer - listener	1 minute
m3_inact_conn	Inactive Connections	The number of inactive TCP and UDP connections established between the monitored object and backend servers. You can run the following command to view the connections (both Windows and Linux servers): netstat -an Unit: Count	≥ 0	Count	N/A	Shared load balancer - listener	1 minute
m4_ncps	New Connections	The number of new connections established between clients and the monitored object per second.	≥ 0	Count/s	N/A	Shared load balancer - listener	1 minute
m5_in_pps	Incoming Packets	The number of packets received by the monitored object per second.	≥ 0	Count/s	N/A	Shared load balancer - listener	1 minute
m6_out_pps	Outgoing Packets	The number of packets sent from the monitored object per second.	≥ 0	Count/s	N/A	Shared load balancer - listener	1 minute
m7_in_Bps	Inbound Traffic Rate	How fast the inbound traffic reaches the monitored object.	≥ 0	Byte/s	1000 (SI)	Shared load balancer - listener	1 minute
m8_out_Bps	Outbound Traffic Rate	How fast the outbound traffic leaves the monitored object.	≥ 0	Byte/s	1000 (SI)	Shared load balancer - listener	1 minute
m22_in_bandwidth	Inbound Bandwidth	The bandwidth used for accessing the monitored object from external networks.	≥ 0	bit/s	1000 (SI)	Shared load balancer - listener	1 minute
m23_out_bandwidth	Outbound Bandwidth	The bandwidth used by the monitored object to access external networks.	≥ 0	bit/s	1000 (SI)	Shared load balancer - listener	1 minute
m1e_server_rps	Reset Packets from Backend Servers	The number of reset packets sent by backend servers to clients per second. These reset packets are generated by the backend servers and then forwarded by the load balancer. Supported protocols: TCP	≥ 0	Count/s	N/A	Shared load balancer - listener	1 minute
m21_client_rps	Reset Packets from Clients	The number of reset packets sent by clients to backend servers per second. These reset packets are generated by clients and then forwarded by the load balancer. Supported protocols: TCP	≥ 0	Count/s	N/A	Shared load balancer - listener	1 minute
m1f_lvs_rps	Reset Packets from Load Balancer	The number of reset packets generated by the load balancer per second. Supported protocols: TCP	≥ 0	Count/s	N/A	Shared load balancer - listener	1 minute
mb_l7_qps	Layer 7 Query Rate	The number of queries the monitored object receives per second at Layer 7. Supported protocols: HTTP/HTTPS	≥ 0	Count/s	N/A	Shared load balancer - listener	1 minute
mc_l7_http_2xx	2xx Status Codes (Total)	The number of 2xx status codes returned by the monitored object and backend servers per second at Layer 7. Supported protocols: HTTP/HTTPS	≥ 0	Count/s	N/A	Shared load balancer - listener	1 minute
md_l7_http_3xx	3xx Status Codes (Total)	The number of 3xx status codes returned by the monitored object and backend servers per second at Layer 7. Supported protocols: HTTP/HTTPS	≥ 0	Count/s	N/A	Shared load balancer - listener	1 minute
me_l7_http_4xx	4xx Status Codes (Total)	The number of 4xx status codes returned by the monitored object and backend servers per second at Layer 7. Supported protocols: HTTP/HTTPS	≥ 0	Count/s	N/A	Shared load balancer - listener	1 minute
mf_l7_http_5xx	5xx Status Codes (Total)	The number of 5xx status codes returned by the monitored object and backend servers per second at Layer 7. Supported protocols: HTTP/HTTPS	≥ 0	Count/s	N/A	Shared load balancer - listener	1 minute
m10_l7_http_other_status	Other Status Codes (Total)	The number of other status codes returned by the monitored object and backend servers per second at Layer 7. Excluded status codes: 2xx, 3xx, 404 Not Found, 499 Client Closed Request, and 502 Bad Gateway Supported protocols: HTTP/HTTPS	≥ 0	Count/s	N/A	Shared load balancer - listener	1 minute
m11_l7_http_404	404 Not Found (Total)	The number of 404 Not Found status codes returned by the monitored object and backend servers per second at Layer 7. Supported protocols: HTTP/HTTPS	≥ 0	Count/s	N/A	Shared load balancer - listener	1 minute
m12_l7_http_499	499 Client Closed Request (Total)	The number of 499 Client Closed Request status codes returned by the monitored object and backend servers per second at Layer 7. Supported protocols: HTTP/HTTPS	≥ 0	Count/s	N/A	Shared load balancer - listener	1 minute
m13_l7_http_502	502 Bad Gateway (Total)	The number of 502 Bad Gateway status codes returned by the monitored object and backend servers per second at Layer 7. Supported protocols: HTTP/HTTPS	≥ 0	Count/s	N/A	Shared load balancer - listener	1 minute
m14_l7_rt	Average Layer 7 Response Time	Average response time of the monitored object at Layer 7. The response time starts when the monitored object receives requests from the clients and ends when it returns all responses to the clients. Supported protocols: HTTP/HTTPS NOTE: The average response time it takes to establish a WebSocket connection may be very long. This metric cannot be used as a reference.	≥ 0	ms	1000 (SI)	Shared load balancer - listener	1 minute
m15_l7_upstream_4xx	4xx Status Codes (Backend Servers)	The number of 4xx status codes returned by the backend servers per second at Layer 7. Supported protocols: HTTP/HTTPS	≥ 0	Count/s	N/A	Shared load balancer - listener	1 minute
m16_l7_upstream_5xx	5xx Status Codes (Backend Servers)	The number of 5xx status codes returned by the backend servers per second at Layer 7. Supported protocols: HTTP/HTTPS	≥ 0	Count/s	N/A	Shared load balancer - listener	1 minute
m18_l7_upstream_2xx	2xx Status Codes (Backend Servers)	The number of 2xx status codes returned by the backend servers per second at Layer 7. Supported protocols: HTTP/HTTPS	≥ 0	Count/s	N/A	Shared load balancer - listener	1 minute
m19_l7_upstream_3xx	3xx Status Codes (Backend Servers)	The number of 3xx status codes returned by the backend servers per second at Layer 7. Supported protocols: HTTP/HTTPS	≥ 0	Count/s	N/A	Shared load balancer - listener	1 minute
m17_l7_upstream_rt	Average Server Response Time	Average response time of backend servers associated with the monitored object at Layer 7. The response time starts when the monitored object routes the requests to the backend server and ends when the monitored object receives a response from the backend server. Supported protocols: HTTP/HTTPS NOTE: The average response time it takes to establish a WebSocket connection may be very long. This metric cannot be used as a reference.	≥ 0	ms	1000 (SI)	Shared load balancer - listener	1 minute
m1a_l7_upstream_rt_max	Maximum Server Response Time	Maximum response time of the backend server associated with the monitored object at Layer 7. The response time starts when the monitored object routes the requests to the backend server and ends when the monitored object receives a response from the backend server. Supported protocols: HTTP/HTTPS	≥ 0	ms	1000 (SI)	Shared load balancer - listener	1 minute
m1b_l7_upstream_rt_min	Minimum Server Response Time	Minimum response time of the backend server associated with the monitored object at Layer 7. The response time starts when the monitored object routes the requests to the backend server and ends when the monitored object receives a response from the backend server. Supported protocols: HTTP/HTTPS	≥ 0	ms	1000 (SI)	Shared load balancer - listener	1 minute
m1c_l7_rt_max	Maximum Layer 7 Response Time	Maximum response time of the monitored object at Layer 7. The response time starts when the monitored object receives requests from the clients and ends when it returns all responses to the clients. Supported protocols: HTTP/HTTPS	≥ 0	ms	1000 (SI)	Shared load balancer - listener	1 minute
m1d_l7_rt_min	Minimum Layer 7 Response Time	Minimum response time of the monitored object at Layer 7. The response time starts when the monitored object receives requests from the clients and ends when it returns all responses to the clients. Supported protocols: HTTP/HTTPS	≥ 0	ms	1000 (SI)	Shared load balancer - listener	1 minute
m25_l7_resp_Bps	Layer 7 Response Bandwidth	The bandwidth used by the backend servers associated with the monitored object to return responses to clients. NOTE: When HTTP/2 is enabled for a listener, this metric cannot be used as a reference.	≥ 0	bit/s	1000 (SI)	Shared load balancer - listener	1 minute
m24_l7_req_Bps	Layer 7 Request Bandwidth	The bandwidth used by the backend servers associated with the monitored object to receive requests from clients. NOTE: When HTTP/2 is enabled for a listener, this metric cannot be used as a reference.	≥ 0	bit/s	1000 (SI)	Shared load balancer - listener	1 minute