git/list[1] front-page[2] threads[3] people[4] search[5] about
 

Re: [PATCH] pack-objects: use of version 3 delta is now optional.

From
Nicolas Pitre <nico@cam.org>
Date
Oct 17, 2006, 16:51 UTC
Message-ID
<Pine.LNX.4.64.0610171250530.1971@xanadu.home>
In-Reply-To
<7vodsakjkg.fsf@assigned-by-dhcp.cox.net>
On Tue, 17 Oct 2006, Junio C Hamano wrote:
Show 24 quoted lines
> Nicolas Pitre <nico@cam.org> writes:
> 
> > On Sun, 15 Oct 2006, Linus Torvalds wrote:
> >
> >> Quite frankly, I wonder if the pure "copy size extension" (aka "v3") thing 
> >> is really worth it at all. 
> >> 
> >> I mean, seriously, how much does it buy us? A couple of bytes per every 
> >> 64kB of delta copied? And the downside is that you can't re-use the deltas 
> >> with old clients and/or you have to re-create a "v2" delta at run-time 
> >> from a v3 delta by inflating, fixing and deflating it.
> >
> >...
> > In the mean time, if Junio adds the patch I posted yesterday advertising 
> > the pack version capability over the native protocol then it'll help us 
> > make things forward compatible if ever we decide to go with generating 
> > packs v3 sooner.
> 
> I've thought about this, but we hopefully would have ofs-delta
> capability exchanged soon after 1.4.3, and that would be an
> enough advertisement that the client is recent enough; although
> it is technically incorrect to tie these two independent
> features together, the improvement between v2 and v3 is dubious
> so maybe that is the easiest.
Fair enough.
Nicolas
Previous: Junio C HamanoNext: A Large Angry SCM
Message 16 of 22 in “Recent and near future backward incompatibilities”
  1. Junio C HamanoOct 15, 2006
  2. pack-objects: use of version 3 delta is now optional.Junio C Hamano, Oct 15, 2006
  3. Jakub NarebskiOct 15, 2006
  4. Nicolas PitreOct 15, 2006
  5. Junio C HamanoOct 15, 2006
  6. Jakub NarebskiOct 15, 2006
  7. Nicolas PitreOct 15, 2006
  8. Junio C HamanoOct 16, 2006
  9. Nicolas PitreOct 16, 2006
  10. Nicolas PitreOct 15, 2006
  11. A Large Angry SCMOct 15, 2006
  12. Nicolas PitreOct 16, 2006
  13. Linus TorvaldsOct 15, 2006
  14. Nicolas PitreOct 16, 2006
  15. Junio C HamanoOct 17, 2006
  16. Nicolas PitreOct 17, 2006
  17. A Large Angry SCMOct 15, 2006
  18. Nicolas PitreOct 15, 2006
  19. Junio C HamanoOct 15, 2006
  20. Theodore TsoOct 15, 2006
  21. Linus TorvaldsOct 15, 2006
  22. Stephen HemmingerOct 16, 2006

Read the whole thread, see it on lore, or plain text.

$ cat FOOTERMessages come from the public archive at lore.kernel.org/git, fetched every hour. The front page is chosen and written each morning by an AI editor and can be wrong; the threads themselves are the record. About and API. For agents: an MCP server at https://gitlist.dev/mcp, and any thread, story or person page as Markdown by adding .md to its URL (or sending Accept: text/markdown). Details in /llms.txt.