[Cyberduck-trac] [Cyberduck] #930: Loopback transfers slower than necessary

[Cyberduck]

#930: Loopback transfers slower than necessary
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 Reporter:  jamescat  |       Owner:  dkocher
     Type:  defect    |      Status:  new    
 Priority:  low       |   Milestone:  2.7    
Component:  core      |     Version:  2.6.2  
 Severity:  trivial   |    Keywords:         
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 I believe that transfers done on the loopback interface are running slower
 than is possible. I'm only getting about 120-130 KB/sec, which amounts to
 roughly 1 Mbit/s (right?) or 1/100th of my "theoretical" throughput on my
 interface... and probably quite a bit lower than that for the loopback's
 theoretical limit, since any loopback speed should be higher than the
 actual physical interfaces are rated for, shouldn't it?

 (More precisely the connection is to my local machine via it's Bonjour
 name "Firefly.local", which I _believe_ merely runs through the loopback
 instead of being broadcast and re-recieved on the wire, right?)

 I am only doing this while testing out Cyberduck, so it probably has
 limited impact in the real world... but nonetheless, it would seem this
 could be quite a bit faster than it is. I mean, even if such "*.local"
 connections do in fact hop out of and back into the physical interface, it
 should still be better than 1 Mbit/s on a 100 Mbit/s interface. Might be
 something to optimize in the networking code somewhere... when time
 allows, that is.

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Ticket URL: <http://trac.cyberduck.ch/ticket/930>
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