Re: Checkout really slow in Windows with lots of files in one directory

On Wednesday 26 Jan 2011, Neil Bird 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.
>
> The checkout starts sensibly enough, but then gets steadily slower and
> slower and slower, to the point were we're not sure it'd actually ever end.
>
> I know that there's a negative speed difference on NTFS, and that 1.7's
> WC-NG might make this better, but this is getting near-logarithmically
> slower.
>
> Is that to be expected, or at least known about?
>
>
> (we're going to jigger the files around into sep. directories to get the
> individual counts down; I expect that to help in this instance).

That is what I recall from previous reports. I originally was going to see if
anything could be done as it sounds like a classic problem of a linear
search/sort over a growing list. The big unanswered question was where was
this list.

If the code is auto generated would it be possible to generate it for each
build? That's what we typically do where I work. Anything that is generated
is not committed. A bad example would be to say I have java source code, I
don't need to commit the compiled byte code too or jars too.

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