[tahoe-dev] [tahoe-lafs] #782: connection lost during "tahoe backup"

[tahoe-lafs]

#782: connection lost during "tahoe backup"
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 Reporter:  zooko    |           Owner:  andrej   
     Type:  defect   |          Status:  new      
 Priority:  major    |       Milestone:  undecided
Component:  unknown  |         Version:  1.5.0    
 Keywords:           |   Launchpad_bug:           
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Comment(by zooko):

 andrej sent me this note in private email:

 "The issue is cause in large majority of the cases by Tahoe's poor
 resistance to concurrent traffic; put it simply, if I have p2p client
 running with more then few hundred opened connections, Tahoe starts
 loosing connections. I stop p2p, Tahoe immediately starts working again.

 Please note that this is not a bad router kind of issue, I tested it
 extensively while debugging another issue. Or a saturated connection,
 there is plenty of headroom left, and no other network app I use exhibits
 this kind of sensitivity. It simply looks like Tahoe want response NOW,
 and if it does not get it NOW, it just gives up.

 I'd suspect a more tollerant timeouts plus a connection retry handling
 would go a long way in fixing this."

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Ticket URL: <http://allmydata.org/trac/tahoe/ticket/782#comment:2>
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