Re: Bigger --deltas dump with 1.7.5 than with 1.6.17

Thanks for the explanations.

On 2012-06-22 00:18:50 +0200, Stefan Fuhrmann wrote:
> xdelta uses fixed-size 100kByte deltification windows.
> The Changelog file in question is >400k, i.e. 4+ windows.
> You insert about 2k at the beginning of the file, moving
> the older parts by a similar distance. At the beginning
> of each delta window, those 2+k don't have deltification
> partner. Expected delta size: > 4 x 2kBytes.

Wouldn't it be possible to change this size of deltification windows,
with a command-line option (for svnadmin dump) and/or an option in
the config file?

The gain would be quite important on some kinds of changes (typically
ChangeLog update), and a dump of a revision is something that could
be done once and for all, so that it would be worth to spend time on
optimizing it.

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