[Bug 134274] Re: TCP_DEFER_ACCEPT causes random HTTP connection failures in load-balanced web-server farms

[harm]

This exact problem causes havoc if you have many slow clients on slow
networks (gprs).

We actually had this problem, and to confirm #8.  its *really* "hard to
catch".  We actually had a >80% unsuccessfull connection attemps.

I cannot believe Apache ships with TCP_DEFER_ACCEPT on 1 sec, or even
enabled at all. I don't see the possible gain.

ref: varnish had it enabled for a while but they disabled it too [1]


Can ubuntu change the default config to include:

AcceptFilter http none
AcceptFilter https none


[1]
https://github.com/Movile/varnish/commit/687bacb3152ebc8b00b8dd737ef1dedb12bd4ee2

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https://bugs.launchpad.net/bugs/134274

Title:
  TCP_DEFER_ACCEPT causes random HTTP connection failures in load-
  balanced web-server farms

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