Re: Bazaar sends 700K upstream for a 1K file

[Karl Fogel]

Stefan Monnier <address@hidden> writes:
>> Committing a change in `.bzrignore', a 1060 byte file, bzr sends about
>> 700K of data upstream (according to the progress meter).  I know you
>> will probably say ``switch to smart server'', but I'm just curious:
>> what is sent in those 700K?
>
>It could be a lot more than 700KB.  The repository data is stored in
>large binary compressed files which are not really "append-only", so it
>often ends up reading one of those files, adding some info to it, then
>repacking it and writing it all out again, and then "atomically" replace
>the old one with the new one.
>
>When (not if) you get unlucky, it will do such a thing on a very large
>file (look at the files in .bzr/repository to see how large it can get).

Note that http://www.emacswiki.org/emacs/EmacsBzrSwitchover still lists
all the open Savannah tickets we care about, and one of them is:

  https://savannah.gnu.org/support/?107077

about smart server, which we really ought to be running.

-Karl