[tahoe-lafs-trac-stream] [tahoe-lafs] #2107: don't place shares on servers that already have shares

[tahoe-lafs]

#2107: don't place shares on servers that already have shares
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     Reporter:  zooko    |      Owner:
         Type:           |     Status:  new
  enhancement            |  Milestone:  undecided
     Priority:  normal   |    Version:  1.10.0
    Component:  code-    |   Keywords:  upload servers-of-happiness brians-
  peerselection          |  opinion-needed
   Resolution:           |
Launchpad Bug:           |
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Comment (by daira):

 I think you're misinterpreting the thesis. It says not to put a given
 share on the *same* server if it already exists there; not that upload or
 repair can't create shares that are duplicates of existing shares but on
 *different* servers that already have (other) shares. The latter is
 clearly necessary to achieve happiness. (Proof: suppose that one server
 has all shnums, and the remaining servers have annum 0.)

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Ticket URL: <https://tahoe-lafs.org/trac/tahoe-lafs/ticket/2107#comment:2>
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