RE: svn.collab.net is now running Subversion 0.23.

After running stress.pl for a while this morning on Windows, I can
confirm that I still have the svn_io_rename_file problem (with no AV
scanning going on), although it is pretty rare, and can also confirm the
rather large degradation of performance when I switch to BDB 4.1.15 --
approximately 3-4x worse running local and through mod_dav_svn...it's
much much more noticeable under mod_dav_svn, of course.

DJ

-----Original Message-----
From: Branko Cibej [mailto:brane@xbc.nu]
Sent: Tuesday, May 20, 2003 10:48 AM
To: Subversion Developers
Cc: kfogel@collab.net; cmpilato@collab.net
Subject: Re: svn.collab.net is now running Subversion 0.23.

Branko Èibej wrote:

>kfogel@collab.net wrote:
>
>
>
>>cmpilato@collab.net writes:
>>
>>
>>
>>
>>>subject sez all.
>>>
>>>
>>>
>>>
>>In one week, let's upgrade to Berkeley 4.1.25, what say?
>>
>>
>>
>
>-1
>
>Just upgrading BDB, after the fiasco that caused last time, is not a
>good idea.
>
>Instead, let's start serious stress (and performance) tests of BDB
>4.1.x. I can try to do the Windows bit, if somebody can explain how to
>change stress.pl to not use fork.
>
>

Well, apart from the svn_io_rename_file problem, and the deadlock buglet
-- both of which show up with 4.0.14 -- BDB 4.2.15 works after a fashion
on Windows. It is also about 3x slower than 4.0.14, and getting slower
all the time. I have no idea at all what's going on; I'm on a RAM disk,
and the CPU usage is 1/3 of what it was with 4.0.14, so it can't be
increased I/O. There must be some really, really stupid blocking in BDB,
or we're using it wrong.

-- 
Brane Èibej   <brane_at_xbc.nu>   http://www.xbc.nu/brane/
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