Operation of varnish

[Ivan Voras]

Does varnish do full buffering from the server-side? I.e. when the
client connects to varnish, and varnish connects to the "real" web
server, does it buffer the web server response fully, and closes the web
server side of the connection (thus freeing it for other uses), then
pipes the data to the client at the rate client's network allows?

Can varnish generate HTTP logs in the "combined" format. (subquestion:
how about http/1.1 virtual hosts? can each get its own log?) If I
understand this correctly, varnish would generate its own logs, and then
the apache could generate its own log, but it will show every connection
as arriving from 127.0.0.1, right?

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