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SubjectRe: Unix sockets via TCP on localhost: is TCP slower?
Em Thu, Nov 13, 2008 at 12:20:44AM +0100, Olaf van der Spek escreveu:
> Hi,
>
> Quite often in discussions, I see people claiming Unix sockets are
> faster then TCP sockets on a connection that stays inside localhost.
> Let's say from app A to app B.
> Is this indeed the case and if so, how much and why?
> My assumption is that the kernel can optimize the 'connection' and let
> any performance differences disappear.

How much? Please measure. Faster? Not necessarily, Nagle comes to mind,
among others. What kind of traffic? That matters too.

Start here: http://en.wikipedia.org/wiki/Nagle's_algorithm

- Arnaldo


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