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RE: [Subclipse-users] Slowness in svn+ssh

From: Alexander Kitaev <alex_at_tmate.org>
Date: 2006-05-04 21:05:56 CEST

Hello Bradley,

> About the file you sent, does it make any difference that the
> same slowness was seen on a windows xp client machine, which
> has no symbolic linking? Or is the SVN server machine where
> this is making a difference. The server machine has always
> been *nix based machine (one FC3 and one Mac OS X).
Changes I made shoudn't have any effect when running on Windows XP, so if
problem is common for all client computers that works with the same server
it could be something on the server side (ssh or svn) that causes the
slowdown.

Please send me the log file and also version of the subversion server and
sshd if possible. What also could probably cause the slowdown is firewall
configuration (could be installed both on the client and server) or
antivirus network filter (usually installed on the client). Please, try
disabling (just for test) these programs to see whether there will be any
difference.

Thank you very much for the time you spent on investigating this problem. As
I have no OSX and no performance problems with JavaSVN, I really appreatiate
your help and efforts, and I should say sorry for my previous email that may
sound somewhat offensive or rude. Though this problem is not always
reproducable resolving it will make number of users happy, so it worth
fixing.

Alexander Kitaev,
TMate Software,
http://tmate.org/
http://jetbrains.com/tmate/

> -----Original Message-----
> From: Bradley Wagner [mailto:bradley.wagner@hannonhill.com]
> Sent: Thursday, May 04, 2006 20:48
> To: users@subclipse.tigris.org
> Subject: Re: [Subclipse-users] Slowness in svn+ssh
>
> Alex,
> Sorry. Didn't mean to sound critical. I was a little under
> the gun because I was the one that proposed the switch from
> CVS --> SVN and so far it has been difficult and I was
> somewhat relieved to determine that the problems we were
> having could be alleviated by using JavaHL instead of having
> to switch back to CVS. It seems clear that I'm in the
> minority as most people have nothing but good things to say
> about JavaSVN, so it's likely a problem specific to my configuration.
>
> About the file you sent, does it make any difference that the
> same slowness was seen on a windows xp client machine, which
> has no symbolic linking? Or is the SVN server machine where
> this is making a difference. The server machine has always
> been *nix based machine (one FC3 and one Mac OS X).
>
> I'm in the process of blowing away Eclipse and starting with
> a fresh copy and a fresh install of Subclipse to see if
> anything changes.
>
> Bradley
>
> On May 4, 2006, at 2:40 PM, Alexander Kitaev wrote:
>
> > Hello Bradley,
> >
> >> Mark, I'm REALLY glad you brought this up. I tried this using the
> >> svn:// protocol and the checkout ran in 1m45s over JavaHL and in
> >> about 12m over JavaSVN. So, I would say there is a fundamental
> >> problem with JavaSVN the way it's running now. I also
> notice that my
> >> whole computer slowed down when performing the checkout under
> >> JavaSVN.
> > I just would like to add that it is not the way JavaSVN
> usually works,
> > probably there is something specific in your environment that makes
> > JavaSVN slow. I'm not saying that there are no bugs or performance
> > problems in JavaSVN or that I'm not going to fix this very problem,
> > but for most of the users it works more or less fast as far
> as I know.
> >
> > Did you tried the version I sent you recently?
> >
> > Alexander Kitaev,
> > TMate Software,
> > http://tmate.org/
> > http://jetbrains.com/tmate/
> >
> >> -----Original Message-----
> >> From: Bradley Wagner [mailto:bradley.wagner@hannonhill.com]
> >> Sent: Thursday, May 04, 2006 20:37
> >> To: users@subclipse.tigris.org
> >> Subject: Re: [Subclipse-users] Slowness in svn+ssh
> >>
> >> Mark, I'm REALLY glad you brought this up. I tried this using the
> >> svn:// protocol and the checkout ran in 1m45s over JavaHL and in
> >> about 12m over JavaSVN. So, I would say there is a fundamental
> >> problem with JavaSVN the way it's running now. I also
> notice that my
> >> whole computer slowed down when performing the checkout under
> >> JavaSVN.
> >>
> >> I am using Eclipse 3.1.2 on a Mac OS X client machine. I installed
> >> Java 5 Release 4 for the Mac recently which makes itself
> the default
> >> meaning that Eclipse itself is running under Java 1.5.
> >>
> >> Next I tried blowing away my Eclipse install and starting
> fresh with
> >> 3.1.2 and Subclipse 1.0.1 and running the same test over
> svn:// and
> >> the results of the project checkout were about the same.
> >>
> >> I got someone else to connect to the same server from Windows XP
> >> machine and run the same tests. They got similar results.
> >> JavaHL performed the checkout in 2 minutes, JavaSVN in about 12.
> >>
> >> Bradley
> >>
> >> On May 4, 2006, at 12:00 PM, Mark Phippard wrote:
> >>
> >>> Bradley Wagner <bradley.wagner@hannonhill.com> wrote on 05/04/2006
> >>> 11:58:05 AM:
> >>>
> >>>>> Since you have it local, why not try it using svn://?
> >>>>
> >>>> I certainly will try it to test it out. Unfortunately, it's not
> >>>> feasible for everyone connecting to the repository to do it with
> >>>> svn:// as we have some firewall issues.
> >>>
> >>> Yeah, I only meant as a test. I would expect JavaHL and
> JavaSVN to
> >>> perform real similar via svn://. If the same time difference was
> >>> present it would seem like something was really amiss.
> >>>
> >>> Mark
> >>>
> >>>
> >>>
> >>
> _____________________________________________________________________
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> _____________________________________________________________________
> >> _
> >>> _______
> >>>
> >>>
> >>
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>
>
>
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Received on Thu May 4 21:08:07 2006

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