Metric Name | Description | Statistical Method | Unit |
Requests | Number of requests passing API Gateway | Sum in the selected time period | - |
Valid calls | Number of valid call requests passing API Gateway | Sum in the selected time period | - |
Public network outbound traffic | Traffic generated by public network data packets sent by API Gateway | Sum in the selected time period | MB |
Private network outbound traffic | Traffic generated by private network data packets sent by API Gateway | Sum in the selected time period | MB |
Response time | Amount of time it takes API Gateway to respond to a request | Average in the selected time period | ms |
Frontend errors | Number of invalid requests sent to API Gateway by the client, such as authentication failures or exceeding the upper limit | Sum in the selected time period | - |
Backend errors | Number of status codes greater than or equal to 400 returned by the backend service after API Gateway forwards messages to the backend service | Sum in the selected time period | - |
Concurrent connections | Number of current persistent connections to API Gateway | Average in the selected time period | - |
Backend 404 errors | Number of errors where the requested resource is not found on the real server | Sum in the selected time period | - |
Backend 502 errors | Number of errors where an invalid response is received by the real server when API Gateway attempts to execute a backend request | Sum in the selected time period | - |
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