Re: TortoiseSVN 1.3.0RC2 - slowdown?

Molle Bestefich wrote:
> * 1.3.0 RC2 takes 10 seconds to do a 'show log'.
>
> Looking at network activity (http://, "show log"), things look like this:
>
> 0.0s client-> PROPFIND /trunk
> 4.5s <-server HTTP/401
[snip]

I took a wild guess that gethostbyaddr() was failing and seems it was right.

Not sure why the Subversion server *must* suddenly be able to
gethostbyaddr() on the client's IP address with 1.3.0. My guess is
that SSPI uses Kerberos - Kerberos always has been picky with host
names (and wall clock time) and such.

gethostbyaddr() apparently first checks the hosts file, then tries to
find a PTR record in DNS and then it starts broadcasting over NetBIOS.
 The NetBIOS thing has a ~1 sec timeout and it tries 3 times, which is
where the ~5 second delay comes from.

There's obviously a bug somewhere, since it broadcasts for a workstation named
*<00><00><00><00><00><00><00><00><00><00><00><00><00><00><00>. Had it
done a broadcast for my workstation's real name then it would've
gotten a correct answer in a splitsecond.

Hrm. Well, hope someone who knows more will hunt that one down some
day. For now I've worked around the problem by patching our DNS.

> [error] (OS 87)The parameter is incorrect. : authentication failure
> for "/trunk":
> user unknown, reason: cannot generate context

I'd hate to be the next user to have that error message shoved in my face ^_^.

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Received on Tue Jan 10 09:46:48 2006