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Monitoring Metrics

Updated on 2022-02-22 GMT+08:00

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

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 or classic load balancer

1 minute

ma_normal_servers

Healthy Servers

Number of healthy backend servers associated with the monitored object

Unit: Count

≥ 0

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.

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