Hello Daniel,
Thank you for help.
I understand you explanation and will test Export command.
But any way, the drag-and-drop operation is very convenient and I use it
for short files/projects.
Best Regards,
Yakov Erlich
On Sunday, September 26, 2021 at 12:20:22 PM UTC+3 [email protected]
wrote:
> Den sön 26 sep. 2021 kl 10:53 skrev Yakov Erlich <[email protected]>
> via TortoiseSVN <[email protected]>:
>
>> Hello!
>>
>> I use TortoiseSVN browser 1.14.1, Build 29085 VisualSVN Server 4.3.4
>>
>> I encountered with strange long file-transfer-time by TortoiseSVN
>> drag-and-drop operation, regarding Checkout one.
>>
>> (That was in older TortoiseSVN versions also)
>>
>> Please explain or fix that.
>>
>> *Details.*
>>
>> Several times I "take" projects from SVN Repository to check s/t or to
>> diff it with my current project. Not for changes.
>> Always I use TortoiseSVN browser.
>>
>> To get such project I have 2 options:
>>
>> 1. I can I drag-and-drop such projects (i.e.,
>> Altera/MINI_MEAP_E/trunk as shown in *drag-and-drop.jpg*) to my
>> desktop.
>> 2. Or use TortoiseSVN browser->right click on project->choose
>> "Checkout…" context menu option (see *Checkout.jpg*)
>>
>> I did a measure to compare time of file transfer of 'checkout' vs 'drag
>> and drop'. And result is very confused
>>
>> 1. 'drag and drop' file transfer took *22 min !!!*
>> From *MyPrj/trunk* to *D:\tmp*
>> Total size *D:\tmp* : 4 GB, ~14000 files.
>>
> It seems like the drag-and-drop case is downloading each individual file
> to the %TEMP% folder (C:\Users\Username\Appdata\Local\Temp in my case) and
> then copying the files to the destination folder. This is equivalent to the
> "Export" option in the second screenshot. However Export seems to be
> downloading the files directly to the target folder and just renaming them
> inplace so I would expect that you get a significant performance
> improvement using Export.
>
>> 2. 'Checkout' took *8 min*.
>> From *MyPrj/trunk* to *D:\tmp2*
>> Total size *D:\tmp2 *: 8 GB, ~14000 files (.svn folder: 4 GB,
>> MyPrj/trunk folder: 4 GB)
>>
> Checkout is creating a new working copy which is required if you intend to
> make changes and committing back to the repository. A part of the design
> for Subversion is to store the original files in the .svn folder (this is
> called "pristine copies" using the subversion terminology). Working copies
> are thus twice the size of the actual repository. If you don't need these
> pristine copies, you are better off using Export.
>
> There is a suggestion within the Subversion project to create a new
> "pristine-less working copy format", see [1] in case someone is interested.
>
> [1]
> http://mail-archives.apache.org/mod_mbox/subversion-dev/202107.mbox/%3C874kcf6xin.fsf%40red-bean.com%3E
>
>
> Kind regards,
> Daniel Sahlberg
>
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