This section describes the metrics that APIG reports to the Cloud Eye service. You can view metrics and alarms by using the Cloud Eye console.

Dedicated gateway: SYS.APIC

**Table 1** Dedicated gateway metrics
ID	Name	Description	Value Range	Monitored Object	Monitoring Period (Minute)
requests	Requests	Number of times that all APIs in a dedicated gateway have been called.	≥0	Dedicated gateway	1
error_4xx	4xx Errors	Number of times that all APIs in the dedicated gateway return a 4xx error.	≥0	Dedicated gateway	1
error_5xx	5xx Errors	Number of times that all APIs in the dedicated gateway return a 5xx error.	≥0	Dedicated gateway	1
throttled_calls	Throttled API Calls	Number of times that all APIs in the dedicated gateway have been throttled.	≥0	Dedicated gateway	1
avg_latency	Average Latency	Average latency of all APIs in the gateway.	≥0 Unit: ms	Dedicated gateway	1
max_latency	Maximum Latency	Maximum latency of all APIs in the gateway.	≥0 Unit: ms	Dedicated gateway	1
req_count	Requests	Number of times that an API has been called.	≥ 0	API	1
req_count_2xx	2xx Responses	Number of times that the API returns a 2xx response.	≥ 0	API	1
req_count_4xx	4xx Errors	Number of times that the API returns a 4xx error.	≥ 0	API	1
req_count_5xx	5xx Errors	Number of times that the API returns a 5xx error.	≥ 0	API	1
req_count_error	Total Errors	Total number of errors returned by the API.	≥ 0	API	1
avg_latency	Average Latency	Average latency of the API.	≥ 0 Unit: ms	API	1
max_latency	Maximum Latency	Maximum latency of the API.	≥ 0 Unit: ms	API	1
input_throughput	Incoming Traffic	Incoming traffic of the API.	≥ 0 Unit: Byte, KB, MB, or GB	API	1
output_throughput	Outgoing Traffic	Outgoing traffic of the API.	≥ 0 Unit: Byte, KB, MB, or GB	API	1

**Table 2** Dedicated gateway monitoring dimensions
Key	Value
instance_id	Dedicated gateway
api_id	API

APIG Metrics