Subject: Re: Fetching 24 Linux commits = 1.2 GiB

From: Andreas Schwab <[email-masked]>
Date: Wed, 20 May 2020 10:53:36 +0200

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  

Andreas.

-- 
Andreas Schwab, [email-masked]
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"And now for something completely different."