I’d like to load-test a new origin stack, by duplicating all HTTP GET traffic sent to the old-origin stack.
At this point, ideally, the request to the new stack would be fire-and-forget - generate the traffic, forwarding auth cookies, but don’t wait for the response. The old origin stack would still be the one returning the response to the user.
Is it possible to do this with Fastly VCL?!
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