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Monitoring Metrics

Overview

This section describes the metrics that can be monitored by Cloud Eye and their namespaces and dimensions. You can use APIs provided by Cloud Eye to query the metrics of a monitored object and generated alarms.

Namespace

SYS.ELB

Metrics

Metric ID

Name

Description

Value

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

Dedicated load balancer, dedicated load balancer listener, shared load balancer, shared load balancer listener, or classic 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

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

m4_ncps

New Connections

Number of TCP and UDP connections established between clients and the monitored object per second

Unit: Count

≥ 0/second

m5_in_pps

Incoming Packets

Number of packets received by the monitored object per second

Unit: Packet/s

≥ 0/second

m6_out_pps

Outgoing Packets

Number of packets sent from the monitored object per second

Unit: Packet/s

≥ 0/second

m7_in_Bps

Inbound Rate

Traffic used for accessing the monitored object from the Internet

Unit: byte/s

≥ 0 bytes/s

m8_out_Bps

Outbound Rate

Traffic used by the monitored object to access the Internet

Unit: byte/s

≥ 0 bytes/s

m9_abnormal_servers

Unhealthy Servers

Number of unhealthy backend servers associated with the monitored object

Unit: Count

≥ 0

Shared load balancer, dedicated load balancer, or classic load balancer

1 minute

ma_normal_servers

Healthy Servers

Number of healthy backend servers associated with the monitored object

Unit: Count

≥ 0

m1e_server_rps

Reset Packets from Backend Servers

(TCP listener metrics) Number of reset packets forwarded by the monitored object from backend servers to clients

Unit: Packet/s

≥ 0/second

Shared load balancer or shared load balancer listener

1 minute

m21_client_rps

Reset Packets from Clients

(TCP listener metrics) Number of reset packets forwarded by the monitored from clients to backend servers

Unit: Packet/s

≥ 0/second

m1f_lvs_rps

Reset Packets from Load Balancers

(TCP listener metrics) Number of reset packets generated by the monitored object per second

Unit: Packet/s

≥ 0/second

m22_in_bandwidth

Inbound Bandwidth

Bandwidth used for accessing the monitored object from the Internet

Unit: bit/s

≥ 0 bit/s

m23_out_bandwidth

Outbound Bandwidth

Bandwidth used by the monitored object to access the Internet

Unit: bit/s

≥ 0 bit/s

Layer 7 (HTTP/HTTPS) metrics: These metrics are available only when the frontend protocol is HTTP or HTTPS.

mb_l7_qps

Layer-7 Query Rate

Number of requests the monitored object receives per second

Unit: Query/s

≥ 0/second

Shared load balancer, dedicated load balancer, dedicated load balancer listener, or shared load balancer listener

1 minute

mc_l7_http_2xx

2xx Status Codes

Number of 2xx status codes returned by the monitored object

Unit: Count/s

≥ 0/second

md_l7_http_3xx

3xx Status Codes

Number of 3xx status codes returned by the monitored object

Unit: Count/s

≥ 0/second

me_l7_http_4xx

4xx Status Codes

Number of 4xx status codes returned by the monitored object

Unit: Count/s

≥ 0/second

mf_l7_http_5xx

5xx Status Codes

Number of 5xx status codes returned by the monitored object

Unit: Count/s

≥ 0/second

m10_l7_http_other_status

Other Status Codes

Number of status codes returned by the monitored object except 2xx, 3xx, 4xx, and 5xx status codes

Unit: Count/s

≥ 0/second

m11_l7_http_404

404 Not Found

Number of 404 Not Found status codes returned by the monitored object

Unit: Count/s

≥ 0/second

m12_l7_http_499

499 Client Closed Request

Number of 499 Client Closed Request status codes returned by the monitored object

Unit: Count/s

≥ 0/second

m13_l7_http_502

502 Bad Gateway

Number of 502 Bad Gateway status codes returned by the monitored object

Unit: Count/s

≥ 0/second

m14_l7_rt

Average Layer-7 Response Time

Average 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.

Unit: ms

≥ 0 ms

m15_l7_upstream_4xx

4xx Status Codes_Backend

Number of 4xx status codes returned by the monitored object

Unit: Count/s

≥ 0/second

Shared load balancer, dedicated load balancer, dedicated load balancer listener, or shared load balancer listener

1 minute

m16_l7_upstream_5xx

5xx Status Codes_Backend

Number of 5xx status codes returned by the monitored object

Unit: Count/s

≥ 0/second

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.

Unit: ms

≥ 0 ms

a: If a service has multiple dimensions, you must specify all dimensions when you use APIs to query the metrics.

  • Example of querying a single metric from both dimensions: dim.0=lbaas_instance_id,223e9eed-2b02-4ed2-a126-7e806a6fee1f&dim.1=lbaas_listener_id,3baa7335-8886-4867-8481-7cbba967a917
  • Example of querying metrics in batches from both dimensions: 
    "dimensions": [
{
"name": "lbaas_instance_id",
"value": "223e9eed-2b02-4ed2-a126-7e806a6fee1f"
}
{
"name": "lbaas_listener_id",
"value": "3baa7335-8886-4867-8481-7cbba967a917"
}
],

Dimensions

Key

Value

lb_instance_id

Specifies the ID of the classic load balancer.

lbaas_instance_id

Specifies the ID of the shared load balancer.

lbaas_listener_id

Specifies the ID of the shared load balancer listener.
Parent topic: Appendix