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. For details, see Viewing Metrics.
Namespace
SYS.ELB
Metrics
For shared load balancers, you can view the monitoring metrics by load balancer, listener, or backend server group. You can only view the Layer 7 metrics of a backend server group.
Metric ID |
Name |
Description |
Value Range |
Monitored Object |
Monitoring Period (Raw Data) |
|---|---|---|---|---|---|
m1_cps |
Concurrent Connections |
Load balancing at Layer 4: total number of TCP and UDP connections from the monitored object to backend servers. Load balancing at Layer 7: total number of TCP connections from the clients to the monitored object. Unit: Count |
≥0 |
Shared load balancer |
1 minute |
m2_act_conn |
Active Connections |
Number of TCP and UDP connections in the ESTABLISHED state 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 |
Shared load balancer |
1 minute |
m3_inact_conn |
Inactive Connections |
Number of TCP connections between the monitored object and backend servers except those in the ESTABLISHED state. You can run the following command to view the connections (both Windows and Linux servers): netstat -an Unit: Count |
≥0 |
Shared load balancer |
1 minute |
m4_ncps |
New Connections |
Number of connections established between clients and the monitored object per second. Unit: Count/s |
≥0/s |
Shared load balancer |
1 minute |
m5_in_pps |
Incoming Packets |
Number of packets received by the monitored object per second. Unit: Count/s |
≥0/s |
Shared load balancer |
1 minute |
m6_out_pps |
Outgoing Packets |
Number of packets sent from the monitored object per second. Unit: Count/s |
≥0/s |
Shared load balancer |
1 minute |
m7_in_Bps |
Inbound Rate |
Traffic used for accessing the monitored object from the Internet. Unit: bytes/s |
≥0 bytes/s |
Shared load balancer |
1 minute |
m8_out_Bps |
Outbound Rate |
Traffic used by the monitored object to access the Internet per second. Unit: bytes/s |
≥0 bytes/s |
Shared load balancer |
1 minute |
m9_abnormal_servers |
Unhealthy Servers |
Number of unhealthy backend servers associated with the monitored object. Unit: Count |
≥0 |
Shared load balancer |
1 minute |
ma_normal_servers |
Healthy Servers |
Number of healthy backend servers associated with the monitored object. Unit: Count |
≥0 |
Shared load balancer |
1 minute |
m22_in_bandwidth |
Inbound Bandwidth |
Bandwidth used for accessing the monitored object from the Internet. Unit: bits/s |
≥0 bits/s |
Shared load balancer |
1 minute |
m23_out_bandwidth |
Outbound Bandwidth |
Bandwidth used by the monitored object to access the Internet. Unit: bits/s |
≥0 bits/s |
Shared load balancer |
1 minute |
m1e_server_rps |
Reset Packets from Backend Servers |
Number of reset packets sent from backend servers to clients. These reset packets are generated by the backend servers and then forwarded by the load balancer. This metric is available only for TCP listeners. Unit: Count/s |
≥0/s |
Shared load balancer |
1 minute |
m21_client_rps |
Reset Packets from Clients |
Number of reset packets sent by clients to backend servers. These reset packets are generated by clients and then forwarded by the load balancer. This metric is available only for TCP listeners. Unit: Count/s |
≥0/s |
Shared load balancer |
1 minute |
m1f_lvs_rps |
Reset Packets from Load Balancers |
Number of reset packets generated by the load balancer. This metric is available only for TCP listeners. Unit: Count/s |
≥0/s |
Shared load balancer |
1 minute |
mb_l7_qps |
Layer-7 Query Rate |
Number of requests the monitored object receives per second. This metric is available only when the frontend protocol is HTTP or HTTPS. Unit: Count/s |
≥0/s |
Shared load balancer |
1 minute |
mc_l7_http_2xx |
Layer-7 2xx Status Codes |
Number of 2xx status codes returned by the load balancer and backend servers. This metric is available only when the frontend protocol is HTTP or HTTPS. Unit: Count/s |
≥0/s |
Shared load balancer |
1 minute |
md_l7_http_3xx |
Layer-7 3xx Status Codes |
Number of 3xx status codes returned by the load balancer and backend servers. This metric is available only when the frontend protocol is HTTP or HTTPS. Unit: Count/s |
≥0/s |
Shared load balancer |
1 minute |
me_l7_http_4xx |
Layer-7 4xx Status Codes |
Number of 4xx status codes returned by the load balancer and backend servers. This metric is available only when the frontend protocol is HTTP or HTTPS. Unit: Count/s |
≥0/s |
Shared load balancer |
1 minute |
mf_l7_http_5xx |
Layer-7 5xx Status Codes |
Number of 5xx status codes returned by the load balancer and backend servers. This metric is available only when the frontend protocol is HTTP or HTTPS. Unit: Count/s |
≥0/s |
Shared load balancer |
1 minute |
m10_l7_http_other_status |
Layer-7 Other Status Codes |
Number of status codes returned by the load balancer and backend servers except 2xx, 3xx, 4xx, and 5xx status codes. This metric is available only when the frontend protocol is HTTP or HTTPS. Unit: Count/s |
≥0/s |
Shared load balancer |
1 minute |
m11_l7_http_404 |
Layer-7 404 Not Found |
Number of 404 Not Found status codes returned by the load balancer and backend servers. This metric is available only when the frontend protocol is HTTP or HTTPS. Unit: Count/s |
≥0/s |
Shared load balancer |
1 minute |
m12_l7_http_499 |
Layer-7 499 Client Closed Request |
Number of 499 Client Closed Request status codes returned by the load balancer and backend servers. This metric is available only when the frontend protocol is HTTP or HTTPS. Unit: Count/s |
≥0/s |
Shared load balancer |
1 minute |
m13_l7_http_502 |
Layer-7 502 Bad Gateway |
Number of 502 Bad Gateway status codes returned by the load balancer and backend servers. This metric is available only when the frontend protocol is HTTP or HTTPS. Unit: Count/s |
≥0/s |
Shared load balancer |
1 minute |
m14_l7_rt |
Average Layer-7 Response Time |
Average response time of the monitored object. This metric is available only when the frontend protocol is HTTP or HTTPS. The response time starts when the monitored object receives requests from the clients and ends when it returns all responses to the clients. Unit: ms NOTE:
The average response time it takes to establish a WebSocket connection may be very high. This metric cannot be used as a reference. |
≥0 ms |
Shared load balancer |
1 minute |
m15_l7_upstream_4xx |
4xx Status Codes Backend |
Number of 4xx status codes returned by the backend servers. This metric is available only when the frontend protocol is HTTP or HTTPS. Unit: Count/s |
≥0/s |
Shared load balancer |
1 minute |
m16_l7_upstream_5xx |
5xx Status Codes Backend |
Number of 5xx status codes returned by the backend servers. This metric is available only when the frontend protocol is HTTP or HTTPS. Unit: Count/s |
≥0/s |
Shared load balancer |
1 minute |
m17_l7_upstream_rt |
Average Server Response Time |
Average response time of backend servers. 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. This metric is available only when the frontend protocol is HTTP or HTTPS. Unit: ms NOTE:
The average response time it takes to establish a WebSocket connection may be very high. This metric cannot be used as a reference. |
≥0 ms |
Shared load balancer |
1 minute |
m1a_l7_upstream_rt_max |
Maximum Server Response Time |
Maximum response time of backend servers. 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. This metric is available only when the frontend protocol is HTTP or HTTPS. Unit: ms |
≥ 0ms |
Shared load balancer |
1 minute |
m1b_l7_upstream_rt_min |
Minimum Server Response Time |
Minimum response time of backend servers. 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. This metric is available only when the frontend protocol is HTTP or HTTPS. Unit: ms |
≥ 0ms |
Shared load balancer |
1 minute |
m1c_l7_rt_max |
Maximum Layer-7 Response Time |
Maximum response time of the monitored object. The response time starts when the monitored object receives requests from the clients and ends when it returns all responses to the clients. This metric is available only when the frontend protocol is HTTP or HTTPS. Unit: ms |
≥ 0ms |
Shared load balancer |
1 minute |
m1d_l7_rt_min |
Minimum Layer-7 Response Time |
Minimum response time of the monitored object. The response time starts when the monitored object receives requests from the clients and ends when it returns all responses to the clients. This metric is available only when the frontend protocol is HTTP or HTTPS. Unit: ms |
≥ 0ms |
Shared load balancer |
1 minute |
m25_l7_resp_Bps |
Backend Server Response Bandwidth |
The bandwidth that the monitored object uses to return response to clients. Unit: bits/s NOTE:
When HTTP/2 is enabled for a listener, this metric cannot be used as a reference. |
≥ 0bit/s |
Shared load balancer |
1 minute |
m24_l7_req_Bps |
Backend Server Request Bandwidth |
The bandwidth that the monitored object uses to receive requests from clients. Unit: bits/s NOTE:
When HTTP/2 is enabled for a listener, this metric cannot be used as a reference. |
≥ 0bit/s |
Shared load balancer |
1 minute |
Metric ID |
Name |
Description |
Value Range |
Monitored Object |
Monitoring Period (Raw Data) |
|---|---|---|---|---|---|
m1_cps |
Concurrent Connections |
Load balancing at Layer 4: total number of TCP and UDP connections from the monitored object to backend servers. Load balancing at Layer 7: total number of TCP connections from the clients to the monitored object. Unit: Count |
≥0 |
Shared load balancer - listener |
1 minute |
m2_act_conn |
Active Connections |
Number of TCP and UDP connections in the ESTABLISHED state 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 |
Shared load balancer - listener |
1 minute |
m3_inact_conn |
Inactive Connections |
Number of TCP connections between the monitored object and backend servers except those in the ESTABLISHED state. You can run the following command to view the connections (both Windows and Linux servers): netstat -an Unit: Count |
≥0 |
Shared load balancer - listener |
1 minute |
m4_ncps |
New Connections |
Number of connections established between clients and the monitored object per second. Unit: Count/s |
≥0/s |
Shared load balancer - listener |
1 minute |
m5_in_pps |
Incoming Packets |
Number of packets received by the monitored object per second. Unit: Count/s |
≥0/s |
Shared load balancer - listener |
1 minute |
m6_out_pps |
Outgoing Packets |
Number of packets sent from the monitored object per second. Unit: Count/s |
≥0/s |
Shared load balancer - listener |
1 minute |
m7_in_Bps |
Inbound Rate |
Traffic used for accessing the monitored object from the Internet. Unit: bytes/s |
≥0 bytes/s |
Shared load balancer - listener |
1 minute |
m8_out_Bps |
Outbound Rate |
Traffic used by the monitored object to access the Internet per second. Unit: bytes/s |
≥0 bytes/s |
Shared load balancer - listener |
1 minute |
m9_abnormal_servers |
Unhealthy Servers |
Number of unhealthy backend servers associated with the monitored object. Unit: Count |
≥0 |
Shared load balancer - listener |
1 minute |
ma_normal_servers |
Healthy Servers |
Number of healthy backend servers associated with the monitored object. Unit: Count |
≥0 |
Shared load balancer - listener |
1 minute |
m22_in_bandwidth |
Inbound Bandwidth |
Bandwidth used for accessing the monitored object from the Internet. Unit: bits/s |
≥0 bits/s |
Shared load balancer - listener |
1 minute |
m23_out_bandwidth |
Outbound Bandwidth |
Bandwidth used by the monitored object to access the Internet. Unit: bits/s |
≥0 bits/s |
Shared load balancer - listener |
1 minute |
m1e_server_rps |
Reset Packets from Backend Servers |
Number of reset packets sent from backend servers to clients. These reset packets are generated by the backend servers and then forwarded by the load balancer. This metric is available only for TCP listeners. Unit: Count/s |
≥0/s |
Shared load balancer - listener |
1 minute |
m21_client_rps |
Reset Packets from Clients |
Number of reset packets sent by clients to backend servers. These reset packets are generated by clients and then forwarded by the load balancer. This metric is available only for TCP listeners. Unit: Count/s |
≥0/s |
Shared load balancer - listener |
1 minute |
m1f_lvs_rps |
Reset Packets from Load Balancers |
Number of reset packets generated by the load balancer. This metric is available only for TCP listeners. Unit: Count/s |
≥0/s |
Shared load balancer - listener |
1 minute |
mb_l7_qps |
Layer-7 Query Rate |
Number of requests the monitored object receives per second. This metric is available only when the frontend protocol is HTTP or HTTPS. Unit: Count/s |
≥0/s |
Shared load balancer - listener |
1 minute |
mc_l7_http_2xx |
Layer-7 2xx Status Codes |
Number of 2xx status codes returned by the load balancer and backend servers. This metric is available only when the frontend protocol is HTTP or HTTPS. Unit: Count/s |
≥0/s |
Shared load balancer - listener |
1 minute |
md_l7_http_3xx |
Layer-7 3xx Status Codes |
Number of 3xx status codes returned by the load balancer and backend servers. This metric is available only when the frontend protocol is HTTP or HTTPS. Unit: Count/s |
≥0/s |
Shared load balancer - listener |
1 minute |
me_l7_http_4xx |
Layer-7 4xx Status Codes |
Number of 4xx status codes returned by the load balancer and backend servers. This metric is available only when the frontend protocol is HTTP or HTTPS. Unit: Count/s |
≥0/s |
Shared load balancer - listener |
1 minute |
mf_l7_http_5xx |
Layer-7 5xx Status Codes |
Number of 5xx status codes returned by the load balancer and backend servers. This metric is available only when the frontend protocol is HTTP or HTTPS. Unit: Count/s |
≥0/s |
Shared load balancer - listener |
1 minute |
m10_l7_http_other_status |
Layer-7 Other Status Codes |
Number of status codes returned by the load balancer and backend servers except 2xx, 3xx, 4xx, and 5xx status codes. This metric is available only when the frontend protocol is HTTP or HTTPS. Unit: Count/s |
≥0/s |
Shared load balancer - listener |
1 minute |
m11_l7_http_404 |
Layer-7 404 Not Found |
Number of 404 Not Found status codes returned by the load balancer and backend servers. This metric is available only when the frontend protocol is HTTP or HTTPS. Unit: Count/s |
≥0/s |
Shared load balancer - listener |
1 minute |
m12_l7_http_499 |
Layer-7 499 Client Closed Request |
Number of 499 Client Closed Request status codes returned by the load balancer and backend servers. This metric is available only when the frontend protocol is HTTP or HTTPS. Unit: Count/s |
≥0/s |
Shared load balancer - listener |
1 minute |
m13_l7_http_502 |
Layer-7 502 Bad Gateway |
Number of 502 Bad Gateway status codes returned by the load balancer and backend servers. This metric is available only when the frontend protocol is HTTP or HTTPS. Unit: Count/s |
≥0/s |
Shared load balancer - listener |
1 minute |
m14_l7_rt |
Average Layer-7 Response Time |
Average response time of the monitored object. This metric is available only when the frontend protocol is HTTP or HTTPS. The response time starts when the monitored object receives requests from the clients and ends when it returns all responses to the clients. Unit: ms NOTE:
The average response time it takes to establish a WebSocket connection may be very high. This metric cannot be used as a reference. |
≥0 ms |
Shared load balancer - listener |
1 minute |
m15_l7_upstream_4xx |
4xx Status Codes Backend |
Number of 4xx status codes returned by the backend servers. This metric is available only when the frontend protocol is HTTP or HTTPS. Unit: Count/s |
≥0/s |
Shared load balancer - listener |
1 minute |
m16_l7_upstream_5xx |
5xx Status Codes Backend |
Number of 5xx status codes returned by the backend servers. This metric is available only when the frontend protocol is HTTP or HTTPS. Unit: Count/s |
≥0/s |
Shared load balancer - listener |
1 minute |
m17_l7_upstream_rt |
Average Server Response Time |
Average response time of backend servers. This metric is available only when the frontend protocol is HTTP or HTTPS. 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. Unit: ms NOTE:
The average response time it takes to establish a WebSocket connection may be very high. This metric cannot be used as a reference. |
≥0 ms |
Shared load balancer - listener |
1 minute |
m1a_l7_upstream_rt_max |
Maximum Server Response Time |
Maximum response time of backend servers. This metric is available only when the frontend protocol is HTTP or HTTPS. 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. Unit: ms |
≥0 ms |
Shared load balancer - listener |
1 minute |
m1b_l7_upstream_rt_min |
Minimum Server Response Time |
Minimum response time of backend servers. This metric is available only when the frontend protocol is HTTP or HTTPS. 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. Unit: ms |
≥0 ms |
Shared load balancer - listener |
1 minute |
m1c_l7_rt_max |
Maximum Layer-7 Response Time |
Maximum response time of the monitored object. This metric is available only when the frontend protocol is HTTP or HTTPS. The response time starts when the monitored object receives requests from the clients and ends when it returns all responses to the clients. Unit: ms |
≥0 ms |
Shared load balancer - listener |
1 minute |
m1d_l7_rt_min |
Minimum Layer-7 Response Time |
Minimum response time of the monitored object. This metric is available only when the frontend protocol is HTTP or HTTPS. The response time starts when the monitored object receives requests from the clients and ends when it returns all responses to the clients. Unit: ms |
≥0 ms |
Shared load balancer - listener |
1 minute |
Metric ID |
Name |
Description |
Value Range |
Monitored Object |
Monitoring Period (Raw Data) |
|---|---|---|---|---|---|
m9_abnormal_servers |
Unhealthy Servers |
Number of unhealthy backend servers associated with the monitored object. Unit: Count |
≥0 |
Shared load balancer - backend server group |
1 minute |
ma_normal_servers |
Healthy Servers |
Number of healthy backend servers associated with the monitored object. Unit: Count |
≥0 |
Shared load balancer - backend server group |
1 minute |
m17_l7_upstream_rt |
Average Server Response Time |
Average response time of backend servers. This metric is available only when the frontend protocol is HTTP or HTTPS. 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. Unit: ms NOTE:
The average response time it takes to establish a WebSocket connection may be very high. This metric cannot be used as a reference. |
≥ 0ms |
Shared load balancer - backend server group |
1 minute |
m1a_l7_upstream_rt_max |
Maximum Server Response Time |
Maximum response time of backend servers. This metric is available only when the frontend protocol is HTTP or HTTPS. 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. Unit: ms |
≥ 0ms |
Shared load balancer - backend server group |
1 minute |
m1b_l7_upstream_rt_min |
Minimum Server Response Time |
Minimum response time of backend servers. This metric is available only when the frontend protocol is HTTP or HTTPS. 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. Unit: ms |
≥ 0ms |
Shared load balancer - backend server group |
1 minute |
mb_l7_qps |
Layer-7 Query Rate |
Number of requests the monitored object receives per second. This metric is available only when the frontend protocol is HTTP or HTTPS. Unit: Count/s |
≥0/s |
Shared load balancer - backend server group |
1 minute |
m18_l7_upstream_2xx |
2xx Status Codes Backend |
Number of 2xx status codes returned by the backend servers. This metric is available only when the frontend protocol is HTTP or HTTPS. Unit: Count/s |
≥0/s |
Shared load balancer - backend server group |
1 minute |
m19_l7_upstream_3xx |
3xx Status Codes Backend |
Number of 3xx status codes returned by the backend servers. This metric is available only when the frontend protocol is HTTP or HTTPS. Unit: Count/s |
≥0/s |
Shared load balancer - backend server group |
1 minute |
m15_l7_upstream_4xx |
4xx Status Codes Backend |
Number of 4xx status codes returned by the backend servers. This metric is available only when the frontend protocol is HTTP or HTTPS. Unit: Count/s |
≥0/s |
Shared load balancer - backend server group |
1 minute |
m16_l7_upstream_5xx |
5xx Status Codes Backend |
Number of 5xx status codes returned by the backend servers. This metric is available only when the frontend protocol is HTTP or HTTPS. Unit: Count/s |
≥0/s |
Shared load balancer - backend server group |
1 minute |
m25_l7_resp_Bps |
Backend Server Response Bandwidth |
The bandwidth that the monitored object uses to return response to clients. Unit: bits/s NOTE:
When HTTP/2 is enabled for a listener, this metric cannot be used as a reference. |
≥ 0bit/s |
Shared load balancer - backend server group |
1 minute |
m24_l7_req_Bps |
Backend Server Request Bandwidth |
The bandwidth that the monitored object uses to receive requests from clients. Unit: bits/s NOTE:
When HTTP/2 is enabled for a listener, this metric cannot be used as a reference. |
≥ 0bit/s |
Shared load balancer - backend server group |
1 minute |
Dimensions
Key |
Value |
|---|---|
lbaas_instance_id |
ID of a shared load balancer |
lbaas_listener_id |
ID of a listener added to a shared load balancer |
lbaas_pool_id |
ID of a backend server group |
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