[ibejoeb]

When talking about replaying live activity on the test system:

>We took the third option because the other two options were quite intrusive and they might interfere at the normal use of our app because in both cases they were going to be in between our users request and our app

One of those two rejected options was goreplay. It is passive, like tcpdump. Right from the docs:

"Gor is not a proxy: you do not need to put 3-rd party tool to your critical path. Instead Gor just silently analyzes the traffic of your application and does not affect it anyhow."