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Re: Time to switch to 1.7 libs?

From: Stefan Küng <tortoisesvn_at_gmail.com>
Date: Fri, 11 Sep 2009 23:17:41 +0200

On 11.09.2009 22:19, Stefan Fuhrmann wrote:
> Stefan Küng<tortoisesvn_at_gmail.com> wrote:
>
>> On Fri, Sep 11, 2009 at 15:06, Stefan Fuhrmann
>> <stefanfuhrmann_at_alice-dsl.de> wrote:
>>> Hi Stefan,
>>>
>>> I just ran the SVN HEAD on my LINUX box.
>>> About 1 month ago, a TSVN c/o took
>>> over 2 minutes CPU time. Now, it is down
>>> to 15 seconds.
>>>
>>> Seems that the biggest obstacle to a
>>> switch has been removed.
>>
>> I'll give it a try this weekend.
>
> Sorry, my bad. The path settings somehow pointed
> to an older version. SVN 1.7 is still SLOW!
>
> SVN 1.6
> c/o TSVN /trunk
> real 5m52.615s
> user 0m14.277s
> sys 0m3.000s
>
> svn st
> real 0m0.127s
> user 0m0.100s
> sys 0m0.024s
>
> svn up
> real 0m13.054s
> user 0m0.808s
> sys 0m0.112s
>
> SVN 1.7
> c/o TSVN /trunk
> real 7m52.940s
> user 2m9.452s
> sys 2m43.370s
>
> svn st
> real 0m23.850s
> user 0m18.057s
> sys 0m5.804s
>
> svn up
> real 1m2.403s
> user 0m17.689s
> sys 0m25.230s
>
> While c/o speed would be acceptable, the real problem
> is that the "small" operations are still extremely
> expensive.
>
> Sorry for the noise!

So I did my own tests. And the speed is ridiculous. I can confirm your
timings, and on windows they're even worse (not much, but still worse).
An update of the TSVN working copy takes about five minutes, while using
up 100% CPU the whole time.

I've sent a mail to the svn dev list. If this doesn't improve soon, I'll
just skip svn 1.7 and wait for 1.8 (if ever). Or I'll start a new
project, because with this 'improvement', it's no fun anymore to work on
TSVN and Subversion.

Stefan

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Received on 2009-09-11 23:17:45 CEST

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