[tahoe-lafs-trac-stream] [tahoe-lafs] #1373: 'tahoe cp' should not make links to existing immutable files when the encoding parameters have changed

[tahoe-lafs]

#1373: 'tahoe cp' should not make links to existing immutable files when the
encoding parameters have changed
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     Reporter:  davidsarah         |       Owner:                                                          
         Type:  defect             |      Status:  new                                                     
     Priority:  major              |   Milestone:  undecided                                               
    Component:  code-frontend-cli  |     Version:  1.8.2                                                   
   Resolution:                     |    Keywords:  tahoe-cp preservation availability rebalancing usability
Launchpad Bug:                     |  
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Comment (by davidsarah):

 Replying to [comment:3 davidsarah]:
 > Replying to [comment:2 warner]:
 > > Also, if we're going to use a CLI command to do this, the brains of
 the operation should probably be in the gateway anyways: you wouldn't want
 the CLI tool to download the full contents of the file and then send them
 right back to the same gateway.
 >
 > It wouldn't do that. It would compare the parameters in the URI that it
 is copying with the current parameters.

 I misinterpreted what you said here; I thought you were referring to the
 operation to check whether the parameters have changed.

 I don't see why the reencoding operation can't be optimized later.
 Creating files with the requested parameters is a correctness issue, in my
 view, so takes precedence over the bandwidth usage between the gateway and
 the CLI process (which is normally on a local connection and so not a big
 problem).

-- 
Ticket URL: <http://tahoe-lafs.org/trac/tahoe-lafs/ticket/1373#comment:4>
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