uri = root in Prometheus metrics

[Jyotin Ranpura]

Hi Users,

I hope you all are doing well. I have a query similar to this post on StackOverflow. 

We have an "Angular JS 8 - Spring Boot 2" Web application. And implementing a Prometheus/Grafana based monitoring dashboards.

While exporting the Prometheus metrics using - http://localhost:9981/actuator/prometheus, I am getting a few requests as follows:

# HELP http_server_requests_seconds  

# TYPE http_server_requests_seconds summary
http_server_requests_seconds_count{exception="None",method="OPTIONS",outcome="SUCCESS",status="200",uri="root",} 6.0
http_server_requests_seconds_sum{exception="None",method="OPTIONS",outcome="SUCCESS",status="200",uri="root",} 0.858430836
http_server_requests_seconds_count{exception="None",method="POST",outcome="SUCCESS",status="200",uri="root",} 1.0
http_server_requests_seconds_sum{exception="None",method="POST",outcome="SUCCESS",status="200",uri="root",} 8.894341675

Can you please help to understand the fuss around the "root" URI? What is meant by "root" URI in the logs and when it is invoked for which requests?

Basically, my aim is to calculate the Transactions Per Second (TPS) of the Web Application and thought that I may calculate it by summing all the incoming requests using http_server_requests_seconds_count.

I am a newbie here and any hints will be appreciated.

Kind regards, Jyotin Ranpura

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