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From Nick <nos...@codesniffer.com>
Subject Re: Checkout really slow in Windows with lots of files in one directory
Date Wed, 02 Feb 2011 09:09:43 GMT
On Tue, 2011-02-01 at 13:00 -0500, Mark Phippard wrote:

> On Wed, Jan 26, 2011 at 9:28 AM, Neil Bird <neil@jibbyjobby.co.uk> wrote:
> 
> >  We have a graphics-oriented code-base that's auto-generated and has >5000
> > source files in one directory.  While I can check this out OK on Linux,
> > we're seeing an unusable slow-down on Windows XP (NTFS), both using Tortoise
> > directly, and as a test on Linux with the Windows drive mapped over CIFS.
> 
> I created a folder with 5001 files in it ... maybe that is not enough?
>  I just used small simple text files as I was only checking for the
> general problem in managing the temp files and the WC metadata.
> 
> Upon checkout (using 1.6.15 command line client) I did not notice any
> slowdown.  Windows checked out via HTTP across internet in about 49
> seconds as opposed to 33 from my Mac (which is a faster system).  The
> main thing is checkout did not seem to slow down.



I did a similar test, using 5100 files in a single directory.  Each file
contained only the content "file XXXX" where XXXX was the number of the
file (so tiny files).  My linux system took 17 seconds, while Windows
took a bit less than 2 min (but Windows is virtualized while linux is on
the hardware).  I also did not notice a slow-down as the checkout
proceeded.  Both systems used 1.6.15 and accessed the repo via https.

I did, however, notice that the time to *add* the files (done via svn
add *.txt) seemed to progressively slow down.  But this was only
observed by watching the files in the console as they were being added
(it was relatively easy to see the rate because the each file name had a
linear number at the end).  I don't have any timings to back this up,
though I'll collect some if anyone's interested.

Nick


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