On 28/07/10 10:50, B Smith-Mannschott wrote: > On Wed, Jul 28, 2010 at 11:01, John Beranek <j...@redux.org.uk> wrote: >> >> I maintain a 76000 revision Subversion 1.5 repository that add up to a >> 101GiB FSFS db. >> >> I'm looking to upgrade to 1.6, so did a dump and load cycle. The >> resulting dump file was 173GiB (I use --deltas). What surprised me is >> that the restored repository came out as 71GB - 30GiB smaller! >> >> Is this unusual? Does it suggest some data has gone missing, or what? >> Nothing I saw in the release notes suggest repository efficiencies of >> this order - I have _not_ packed the repository. >> > > Hi John, > > It looks like representation sharing works particularly well for your > repository. > > http://subversion.apache.org/docs/release-notes/1.6.html#rep-sharing
Ah, now that's something I must've overlooked! > The 30% reduction you're seeing is a pretty nice space savings. Do you > do a lot of branching? Do you have the identical files comitted > separately to different parts of the repository? I believe we do have a lot of traditional ttb branching, plus additionally some copying from "common" directories to project directories. Thanks for your quick answer, it reassures me somewhat that data hasn't gone missing. ;) Cheers, John. -- John Beranek To generalise is to be an idiot. http://redux.org.uk/ -- William Blake
