Re: warning: no common commits - slow pull

[Len Brown <lenb@kernel.org>]

On Friday 15 February 2008, Len Brown wrote:
> it happened again.
> 
> this morning I pulled linus' tree up through 
> 4ee29f6a52158cea526b16a44ae38643946103ec
> 
> then during the day, linus declared "rc2".
> 
> and now I pulled linus' tree again,
> which has a HEAD now of 
> 
> 101142c37be8e5af9b847860219217e6b958c739
> 
> and the pull sucked down 172 MB even though the uncompressed
> diff between the two is 0.3 MB.
> 
> -Len
> 
> [lenb@d975xbx2 linus (master)]$ git pull
> remote: Counting objects: 649, done.
> remote: Compressing objects: 100% (106/106), done.
> remote: Total 513 (delta 417), reused 503 (delta 407)
> Receiving objects: 100% (513/513), 116.67 KiB, done.
> Resolving deltas: 100% (417/417), completed with 103 local objects.
> warning: no common commits
> remote: Counting objects: 710725, done.
> remote: Compressing objects: 100% (125738/125738), done.
> remote: Total 710725 (delta 589584), reused 704450 (delta 584029)
> Receiving objects: 100% (710725/710725), 172.71 MiB | 1073 KiB/s, done.
> Resolving deltas: 100% (589584/589584), done.
> From git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6
>  * [new tag]         v2.6.25-rc2 -> v2.6.25-rc2
> Updating 4ee29f6..101142c
> Fast forward
>  Makefile                               |    4 +-
...
> [lenb@d975xbx2 linus (master)]$            
> [lenb@d975xbx2 linus (master)]$ git --version
> git version 1.5.4.1.122.gaa8d

It still happens with latest git. (linus has declared -rc3 this time)
unfortunately for me, i'm not on broadband this time so it is extremely painful --
to the point that i simply can't update this tree until i get home.

I started at 4fa2b1cde0e3797549f711ce9e51c395b3d6d2a7
and Linus' tree is at 7704a8b6fc4a8f51599eb2af4dcf1e2ac9c7e576

The diff between these commits is about 100KB uncompressed, but it seems
that I'm pulling down 175MB again...

remote: Counting objects: 661, done.
remote: Compressing objects: 100% (139/139), done.
remote: Total 501 (delta 411), reused 443 (delta 362)
Receiving objects: 100% (501/501), 73.89 KiB | 11 KiB/s, done.
Resolving deltas: 100% (411/411), completed with 101 local objects.
warning: no common commits
remote: Counting objects: 714841, done.
remote: Compressing objects: 100% (127590/127590), done.
Receiving objects:   1% (11116/714841), 3.96 MiB | 5 KiB/s

[lenb@t61 ~]$ git --version
git version 1.5.4.3.230.g2db511