Slow PDF downloads - specific urls

Website, Application, Performance
1

We have an interesting Issue. Hope someone can provide some insight.

We have 2 versions of code (feature toggle) that produce a 100mb PDF for download.
Std api post app/json, receive app/pdf

Same Origin, Same LBs, Same F5’s , Same Firewalls, Same K8s, same code, same domain.
V2 takes 6-8 Min to download a 100 mB pdf. 30 secs to generate. in CF download is 6-8 min
V1 Takes < 1 min to download a 100 mB pdf. 30 secs to generate. in CF download is < 1 min

Postman to ORIGIN (Azure) both V1 and V2, < 1 min.
Confirmed in > 10 tests

Where do i even start here?.

2

I hope you can provide some of those specific URLs, so that we actually can look into this. But mostly those download-speed issues (if caused by Cloudflare) needs to be resolved by the customer support anyway.

3

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