On Tue, Mar 11, 2014 at 6:46 PM, Stephan Beal <[email protected]> wrote:
> The checkin linked in the previous mail was something like 850 (delta) > bytes vs 13k (baseline) checkin record. Repos with more files will > generally show a much more dramatic difference in checkin record size. > LOL: having just done some basic tests... once compression is applied to the checkin records (fossil always compresses them), the difference in size is close to negligible for small/medium repos. The above commit, when compressed with the "compress" program (which is _basically_ how fossil compresses them) leads to a size difference of only 10 bytes (vs a diff of 12888 bytes before compression). i.e. delta manifests might not actually buy any space savings, once db-level data-block sizes accounted for. -- ----- stephan beal http://wanderinghorse.net/home/stephan/ http://gplus.to/sgbeal "Freedom is sloppy. But since tyranny's the only guaranteed byproduct of those who insist on a perfect world, freedom will have to do." -- Bigby Wolf
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