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Re: space-efficient working copies

From: listman <listman_at_burble.net>
Date: 2007-12-03 22:50:06 CET

confusing typo..

On Dec 3, 2007, at 10:14 AM, listman wrote:

>
> On Dec 3, 2007, at 9:52 AM, Miller, Eric wrote:
>
>>>> I would really like to be able to implement a light-weight working
>> copy
>>>> using symbolic links that point to a common read-only area,
>> replacing
>>>> the links with editable data when locks/edit permissions are
>> granted.
>>>>
>>>> Does anyone have any ideas if something like this is feasible in
>>>> subversion?
>>>
>>> A common shared area is interesting, but probably hard to implement.
>>> Think about permissions, who actually updates the common area, etc.
>>
>> I guess I was thinking that some sort of daemon or post-commit hook
>> would take care of updating the common area. The real tricky part is
>> handling mixed revisions and branches.
>>
>>> I believe someone thought about keeping the pristine files in a
>> compressed
>>> format. This might reduce the space at least a little, with the
>>> possibility of not too many complex working copy code changes.
>>
>> I guess this would help incrementally depending on the type of
>> data, but
>> it doesn't help with duplication of the actual data.
>>
>> Guess I'm looking at something that is pretty far removed from
>> svn's use
>> model (again). It was a shot in the dark - thanks for the response!
>>
>
> the intent of the SVN local workspace was for it to be physically
> local, i.e. on the
> same disk. this reduces network activity and helps SVN status
> performance (SVN
> status is *really* slow over most LAN's i've seen, unmanageably
> slow over WAN).
>
> If your users "local" workspaces are actually on some central file-
> server someplace
> you're really using SVN the way it was designed.. Net-apps are
> convenient
> for IT support but are generally the wrong solution for this kind
> of use model.
> I usually hear IT people complain that local disks are difficult to
> manage when it
> comes to backups, in this case however users should be committing
> regularly and
> local backups are not such a big issue..
>
> so this extra disk space is a good thing in my opinion if the
> environment is
> architected properly, if it isn't then you're not really getting
> full value from SVN
>

this should of course have read

"you're really NOT using SVN the way it was designed.."

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Received on Mon Dec 3 22:50:59 2007

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