Messages in this thread | | | Date | Thu, 13 Nov 2008 09:24:09 -0200 | From | Arnaldo Carvalho de Melo <> | Subject | Re: Unix sockets via TCP on localhost: is TCP slower? |
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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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