[tahoe-lafs-trac-stream] [tahoe-lafs] #443: set ETag on immutable directories, short-circuit on cache hit

[tahoe-lafs]

#443: set ETag on immutable directories, short-circuit on cache hit
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     Reporter:  warner   |      Owner:  jsgf
         Type:           |     Status:  new
  enhancement            |  Milestone:  soon
     Priority:  major    |    Version:  1.0.0
    Component:  code-    |   Keywords:  etag performance test-needed news-
  frontend-web           |  needed
   Resolution:           |
Launchpad Bug:           |
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Comment (by amiller):

 I added unit tests and a minor tweak.

 In jsgf's original patches, the short-circuit behavior was added to the
 FileDownloader class and would therefore only apply to the "t=None" case.
 So the problem in comment:15 does not occur.

 However, we might as well short-circuit when an etag matches for "t=json"
 etc., in which case the tags do need to be distinguished.

 https://github.com/amiller/tahoe-lafs/pull/2.patch

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Ticket URL: <https://tahoe-lafs.org/trac/tahoe-lafs/ticket/443#comment:22>
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