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

From: Mark Phippard <markp_at_softlanding.com>
Date: 2006-05-03 21:14:55 CEST

Bradley Wagner <bradley.wagner@hannonhill.com> wrote on 05/03/2006
03:05:26 PM:

> I tried the build with the "-Djavasvn.symlinks=false" system property
> set in my eclipse.ini file which contains the vmargs for Eclipse on
> OS X. There was no improvement, checkout still took ~12 minutes.
> Next, I tried checking out the latest from the JavaSVN trunk and
> deploying the javasvn.jar and ganymed.jar lib files to the Eclipse
> directory. The same checkout took ~12 min again. This just seems
> really slow compared to doing the checkout from the command line
> using the native HL libraries (1 min). How much of this is just
> Eclipse overhead and how much of this do you think is JavaSVN?

I cannot imagine Eclipse overhead is 11 minutes. Assuming this is a Java
project there should be some compiling to do. You should be able to get
an idea on the Eclipse overhead by watching the SVN Console and seeing
when the checkout finishes. Keep in mind that Subclipse also needs to do
a full status crawl of the files which can take a little while. I would
not expect it to be this great. Maybe 3-4 minutes total but not 12. If
it is not too hard to setup http:// you could try that. Maybe JavaSVN is
experiencing some kind of problems with your SSH Server? Typically
JavaSVN is a little faster than JavaHL.

> Have
> you ever gotten svn+ssh to work with JavaHL? I'd like to try the same
> checkout with JavaHL in Eclipse and see what kind of times I get.

What have you tried? If you have the command line working, and you have
the JavaHL binaries I would almost expect it to just work. JavaHL will
not prompt you for credentials, so you need to be using some kind of
key-agent, but most SSH users already do. I think if you launch Eclipse
from a Terminal session then it ssh will prompt you for info as needed
within that session.

> It seems like it might be best to just check out the project from the
> command line and open it in Eclipse, though it is a bit roundabout.

It would be worth seeing how long it takes to do File -> Import of an
existing project. That would give an idea as to how much the combined
Eclipse/Subclipse overhead should be.


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Received on Wed May 3 21:15:13 2006

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