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Re: pack v4 status

From
Linus Torvalds <torvalds@linux-foundation.org>
Date
Feb 27, 2007, 21:51 UTC
Message-ID
<Pine.LNX.4.64.0702271348260.12485@woody.linux-foundation.org>
In-Reply-To
<20070227155042.GB3230@spearce.org>
On Tue, 27 Feb 2007, Shawn O. Pearce wrote:
Show 8 quoted lines
> 
> We have thus far reformatted OBJ_TREEs with a new dictionary based
> compression scheme.  In this scheme we pool the filenames and modes
> that appear within trees into a single table within the packfile.
> All trees are then converted to use a 22 byte record format:
> 
>   - 2 byte network byte order index into the string pool
>   - 20 byte SHA-1
Umm. Am I missing something, or is this totally braindamaged?

Are you really expecting there to never be more than 64k basenames? Trust me, that's a totally broken assumption. Anything that tracks generated stuff will _easily_ have several tens of thousands of random filenames even in a single tree, much less over the whole history of the repository.

			Linus
Previous: Shawn O. PearceNext: Johannes Schindelin
Message 2 of 9 in “pack v4 status”
  1. Shawn O. PearceFeb 27, 2007
  2. Linus TorvaldsFeb 27, 2007
  3. Johannes SchindelinFeb 27, 2007
  4. Nicolas PitreFeb 27, 2007
  5. Nicolas PitreFeb 27, 2007
  6. Junio C HamanoFeb 27, 2007
  7. Shawn O. PearceFeb 28, 2007
  8. Nicolas PitreFeb 28, 2007
  9. Shawn O. PearceFeb 28, 2007

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