Re: Drastic performance difference with subversion client on Solaris 9

> > b) Configure this apache to serve some static files and try massively
> > downloading them to different hosts (wget -a and maybe most important ab
> > - apache benchmark).
> I'll try this and post back.
[snip]

I may have missed it (though a search of my mailbox doesn't seem to say so),
but did you follow up on the comments reguarding filesystem journaling and
the like on Solaris? Operations that create a lot of files /are/ somewhat
slow on Solaris (and, really, any OS with sane filesystem semantics (e.g.
not linux)), and could explain your problems, since subversion creates so
many files when creating a repository.

If this is the case, turning on journaling on your filesystems will surely
help.

In the meantime, though, it's an easy thing to test -- If you still have
/tmp mounted off of swap (which is the default, and makes it a ram-based
filesystem), try checking out your repository to a directory in /tmp. If
it's still slow, your problem is something else. If it's much faster,
your problem is almost certainly all the non-async stuff happening at
file creation time...

-jay

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Received on Fri Mar 19 16:16:37 2004