API Gateway Metrics

This section describes the metrics that API Gateway 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