On Sun, 2005-05-08 at 18:00 +0200, Thomas Zander wrote:
> Do I understand correctly that the local filesystem access is different
> based on which network layer I choose?
Yes. The DeltaV protocol (which we sort of follow, but not very well)
requires us to use a server-provided "version-resource URL" for each
file and directory in the working copy. In practice, when talking to a
Subversion server, these URLs follow a very specific form, but in theory
they could be arbitrary. We have a mechanism called "wcprops" which we
use to cache these version-resource URLs in the working copy so that we
don't have to re-fetch them for each operation.
It has long been my position that we should give up on DeltaV (which is
a failed standard, in my opinion, and one that doesn't fit our
architecture) and consider ourselves to be talking a private versioning
protocol over HTTP/DAV. As part of that, we could feel free to
synthesize version-resource URLs, which would let us ditch the wcprops
mechanism, which would eliminate the discrepancy between ra_dav and
ra_svn in working copy performance.
Some developers agree with me and some don't; regardless, we haven't
gone in that direction as yet.
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Received on Sun May 8 18:17:32 2005