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Re: TSVN slow merges (help!)

From: Jean-Marc van Leerdam <j.m.van.leerdam_at_gmail.com>
Date: Sat, 14 Jun 2008 23:27:16 +0200

Hi Steve,

I fully appreciate the agony you must be going through. I am sure that if
there is anyone that can find this, it will be you. I may miss the
experience to be of help to you, but I do have some suggestions (see below).
Of course you probably already thought about these, but I mention them just
in case.

2008/6/14 Stefan Küng <tortoisesvn_at_gmail.com>:

> Hi,
>
> Some of you may have read reports that TSVN is twice as slow when doing a
> merge than the svn command line client (RC9 from open.collab.net).
>
> I can reproduce this easily: the build script of TSVN also builds the
> command line client, so simply comparing that client with the one installed
> from open.collab.net shows the same effect.
> I've used the tool "timethis" to measure a simple (but useless) merge:
>
> timethis svn merge -r11761:11762
> http://tortoisesvn.tigris.org/svn/tortoisesvn/branches/1.4.xd:\development\SVN\TortoiseSVN --dry-run --accept postpone
>
> This results in a merge time of 2 min 37 seconds with the rc9 from
> open.collab.net, and 5 min 17 seconds with the command line client built
> myself with the TSVN build scripts.
>
> I've also recorded the network packets with WireShark: they're identical
> for both clients. The only difference is the time between recorded packets.
>

Are the network packets distributed in the same way across the timespan? Or
are there specific extra pauses when using your own command line client?

How does the TSVN Gui perform this merge? Is it also 5 min 17, or is it much
slower than that? --> If it's the same then the issue most likely lies in
the SVN libraries.

IIRC in the past TSVN (or the SVN linbraries, I can't remember) has had some
issues with DLLs being loaded and unloaded frequently. Could that be the
cause of the extra delays?

-- 
Regards,
Jean-Marc
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Received on 2008-06-14 23:27:30 CEST

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