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Re: problems with serf

From: Paul Burba <ptburba_at_gmail.com>
Date: Wed, 8 Sep 2010 15:00:21 -0400

On Thu, May 27, 2010 at 2:42 AM, Lieven Govaerts <svnlgo_at_mobsol.be> wrote:
> Hi,
>
> On Mon, May 24, 2010 at 3:51 PM, Lieven Govaerts <svnlgo_at_mobsol.be> wrote:
>> On Sun, May 16, 2010 at 10:38 AM, Stefan K√ľng <tortoisesvn_at_gmail.com> wrote:
>>> Hi,
>>>
>>> During the last few days, I've changed TSVN to link against the svn trunk.
>>> The speed is much better now, so thanks for that. It's not as fast as the
>>> 1.6.x branch yet but it's usable.
>>>
>>> About my problem:
>>> serf is now the default DAV lib svn uses. But with serf I get tons of app
>>> crashes (serf calls abort() - something I won't discuss here anymore since
>>> you all should know my opinion about that).
>>> For example: a simple checkout of the svn trunk crashed after about 5
>>> seconds. Subsequent updates did too - I had to run cleanup and restart the
>>> update 27 (!!) times until I had the svn trunk on my harddrive.
>>>
>>> I'm using serf 0.6.1, but the same problem existed with 0.3.1. I updated to
>>> 0.6.1 yesterday hoping it would solve the problem, but apparently didn't.
>>
>
> I have prepared serf 0.6.2 with this fix at:
> http://serf.googlecode.com/svn/branches/0.6.x
>
> Can anyone of you reporting this problems test if this makes them go away?
>
> Checkout takes plenty of memory with ra_serf, way more than when using
> ra_neon. I suspect these changes didn't make that worse, rather the
> choice of pools for file-related requests in ra_serf (not the serf
> library). I'll look into this.

Hi Lieven,

Did you ever investigate checkout's memory usage with serf? It seems
to still be a problem with serf 0.7.0, see
http://subversion.tigris.org/issues/show_bug.cgi?id=3684#desc4.

I'm seeing some benefits with bumping
serf/buckets/allocator.c:STANDARD_NODE_SIZE from 128 to 256, but the
results vary...going to dump what I have found thus far into issue
#3684.

Paul
Received on 2010-09-08 21:01:16 CEST

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