[tahoe-lafs-trac-stream] [Tahoe-LAFS] #2582: Magic Folder: improve conflict detection to handle more than 2 clients

[Tahoe-LAFS]

#2582: Magic Folder: improve conflict detection to handle more than 2 clients
-------------------------------------+-------------------------------------
     Reporter:  daira                |      Owner:  daira
         Type:  defect               |     Status:  new
     Priority:  major                |  Milestone:  undecided
    Component:  code-frontend-       |    Version:  1.10.1
  magic-folder                       |   Keywords:  magic-folder usability
   Resolution:                       |  reliability
Launchpad Bug:                       |
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Comment (by daira):

 Suggested design criteria:

 1. If before every update of a local file F on client A, A has time to
 observe and download the most recent update of F (and its ancestor
 directories), then no updates will be treated as conflicts by any client.

 2. Stopping a client and restarting it should not make a difference in
 terms of eventual consistency.

 3. There should be a documented way to purge all versions of a given file.
 (This need not be straightforward, and will likely require garbage
 collection.)

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Ticket URL: <https://tahoe-lafs.org/trac/tahoe-lafs/ticket/2582#comment:1>
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