Re: Huge number of rev files in in svn repository

On 6/12/06, Garrett Rooney <rooneg@electricjellyfish.net> wrote:
> Nobody has implemented this because nobody has needed to yet. There
> are numerous repositories as large or larger than the one you're
> talking about that operate at perfectly reasonable speeds. On the
> other hand, it's not like the standard use case is "extract every
> single revision", so you may be hitting a bit of functionality that
> isn't quite in the usual use case. If you have a need to speed this
> up, perhaps you can work on a patch to add this functionality to
> libsvn_fs_fs.

It may be more deep than just the number of files in the repository.
My Mozilla SVN has changes from 1998 to 2006. My export of the early
years went fairly quickly. In 2002 it started getting slower, and I
have been stuck in 2003 for over 24hrs. It is making forward progress
but the progress is getting slower and slower.

I have converted the ext3 rev and revprop directories to use the
dir_index format. Doing that did speed things up but overall it is
still very slow. The process is completely CPU bound, disk activity is
light.

-- 
Jon Smirl
jonsmirl@gmail.com
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