This is similar to how Clearcase works also. Something like inotify
would be helpful too I guess, but that would be linux only.
David.
On 06/04/2008 05:30, Greg Hudson wrote:
> As I understand it, Perforce does this, although I believe it requires
> the file server to be hosted by the repository. It is, in fact, quite
> fast as long as the mount is going over a fast link. It's a bit
> unlikely that Subversion will ever go in this direction since it
> requires a lot of system-dependent code and/or documentation.
>
> Another possibile way to avoid scans is to require an "svn edit" (actual
> syntax may vary) to make Subversion notice an edit to a file. This idea
> is most attractive to people who have Subversion integrated with their
> editor or IDE; since not everyone is in that camp, it would probably
> have to be a per-checkout option. Peering at trunk/notes/wc-ng-design,
> it looks like Subversion might conceivably go in this direction if a WC
> rewrite effort succeeds.
>
> On Sat, 2008-04-05 at 19:28 -0400, Harvey, Edward wrote:
>> Basically, just wondering if anyone has ever thought along these lines ...
>>
>> I was thinking about how to speed up operations, such as svn status, etc, which are currently required to walk the tree. With large numbers of files, this can be expensive. The root cause is simple - peoples files can be changed by any process without the knowledge of svn; therefore svn must inspect each file to see if it's changed. To improve this would require some process to have the ability to constantly monitor all file access within the working copy.
>>
>> So the idea is - Suppose there were a special "working copy" svn server, which could have exclusive access to some folder on the system, containing the working copy, and then export those files to localhost, where they could be mounted into a user's home directory (or wherever). The user would work in his/her home directory as always, but the "working copy svn server" would be able to monitor all file access. No change of behavior would be necessary; the working copy could contain versioned and unversioned files exactly as it always has, but the "working copy svn server" could keep track of all the local modifications on the fly, and eliminate the need to ever walk the tree.
>>
>> Granted, root would have to assist somehow, to let the filesystem mount. And I'm sure it's not a trivial code to write.
>>
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Received on 2008-04-07 17:38:14 CEST