Subject: Re: Fetching 24 Linux commits = 1.2 GiB

From: Andreas Schwab <[email-masked]>
Date: Wed, 20 May 2020 10:57:06 +0200

On Mai 20 2020, Andreas Schwab wrote:

> On Apr 15 2020, Junio C Hamano wrote:
>
>> Do these (and I think we saw other reports) make us rethink the
>> status of protocol v2 as the default?  Are all of these fallouts 
>> we saw so far easy-to-fix bugs, or are there more fundamental issues
>> in the v2 protocol design?
>
> I'm now seeing the issue myself, and can provide a backup of the
> offending repository.
>
> $ git count-objects -v
> count: 17
> size: 76
> in-pack: 387240
> packs: 37
> size-pack: 203738
> prune-packable: 0
> garbage: 0
> size-garbage: 0
> alternate: /home/andreas/src/linux/git/torvalds/linux.git/objects
> alternate: /home/andreas/src/linux/git/stable/linux-stable.git/objects
> $ GIT_TRACE=1 git fetch
> 10:40:32.829450 git.c:439               trace: built-in: git fetch
> 10:40:33.133448 run-command.c:663       trace: run_command: unset GIT_DIR GIT_IMPLICIT_WORK_TREE GIT_PREFIX; git --git-dir=/daten/src/linux/git/torvalds/linux.git for-each-ref '--format=%(objectname)'
> 10:40:33.135756 git.c:439               trace: built-in: git for-each-ref '--format=%(objectname)'
> 10:40:33.143936 run-command.c:663       trace: run_command: unset GIT_DIR GIT_IMPLICIT_WORK_TREE GIT_PREFIX; git --git-dir=/daten/src/linux/git/stable/linux-stable.git for-each-ref '--format=%(objectname)'
> 10:40:33.146087 git.c:439               trace: built-in: git for-each-ref '--format=%(objectname)'
> remote: Enumerating objects: 30796, done.
> remote: Counting objects: 100% (30796/30796), done.
> remote: Compressing objects: 100% (6965/6965), done.
> 10:40:40.102198 run-command.c:663       trace: run_command: git index-pack --stdin -v --fix-thin '--keep=fetch-pack 12342 on igel.home' --pack_header=2,7350969
> 10:40:40.104872 git.c:439               trace: built-in: git index-pack --stdin -v --fix-thin '--keep=fetch-pack 12342 on igel.home' --pack_header=2,7350969
> ^Cceiving objects:   0% (3092/7350969), 1.32 MiB | 891.00 KiB/s  

$ git -c protocol.version=1 fetch
remote: Enumerating objects: 13226, done.
remote: Counting objects: 100% (10881/10881), done.
remote: Compressing objects: 100% (2322/2322), done.
remote: Total 10276 (delta 7860), reused 10215 (delta 7818), pack-reused 0
Receiving objects: 100% (10276/10276), 4.13 MiB | 615.00 KiB/s, done.
Resolving deltas: 100% (7860/7860), completed with 192 local objects.
>From git://git.kernel.org/pub/scm/linux/kernel/git/geert/linux-m68k
 + c7630f6386a3...4684d38e4d47 m68k-queue -> m68k-queue  (forced update)
   39d91d3c3b47..e886fc082483  master     -> master

Andreas.

-- 
Andreas Schwab, [email-masked]
GPG Key fingerprint = 7578 EB47 D4E5 4D69 2510  2552 DF73 E780 A9DA AEC1
"And now for something completely different."