On 08.07.2012 17:47, Mattias Engdegård wrote: > The biggest surprise was that COW actually made the checkout slightly > slower, even though no "true" file copies were made. I'm not sure how > to explain this---perhaps everything is already in cache so the copies > aren't very expensive, or the COW operations are somehow synchronising?
Copy-on-Write requires some metadata and processing overhead compared to just-plain copying, which obviously makes it slower. It's a time vs. space optimization. -- Brane -- Certified & Supported Apache Subversion Downloads: http://www.wandisco.com/subversion/download
