quickwit
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feat: add the tracing layer to enhance rest api metrics
Description
add the tracing layer to enhance rest api metrics
How was this PR tested?
The proposed changes have been deployed locally and verified with the /metrics endpoint. Please find the screenshot below:
Related issue
https://github.com/quickwit-oss/quickwit/issues/4076
agreed with @fmassot to adapt the axum-prometheus approach and add gauge for pending requests
@fmassot could you please take a look when you have time?
@fmassot @guilload Could you please take another look?