* git doing large refetches
[not found] <1731755010.6694064.1593107165458.ref@mail.yahoo.com>
@ 2020-06-25 17:46 ` Hin-Tak Leung
2020-06-25 17:54 ` Pratyush Yadav
0 siblings, 1 reply; 3+ messages in thread
From: Hin-Tak Leung @ 2020-06-25 17:46 UTC (permalink / raw)
To: git, git
Hi,
Lately I noticed that git occasionally do very large re-fetches, despite the difference between local and remote being not large. For example, here are two aborted fetches (see how small the emumerating / counting /compressing are, compared to the receiving object number):
$ git fetch torvalds
remote: Enumerating objects: 19374, done.
remote: Counting objects: 100% (19374/19374), done.
remote: Compressing objects: 100% (4016/4016), done.
^Cceiving objects: 2% (161673/7478285), 80.54 MiB | 2.78 MiB/s
$ git fetch sound
remote: Enumerating objects: 52009, done.
remote: Counting objects: 100% (52009/52009), done.
remote: Compressing objects: 100% (5480/5480), done.
^Cceiving objects: 1% (74819/7481898), 37.92 MiB | 1.98 MiB/s
I don't see any real pattern, as the last few times I fetch from either of those two are also quite small ( a few days ago).
$ git --version
git version 2.26.2
stanzas from my .git/config
[remote "torvalds"]
url = git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
fetch = +refs/heads/*:refs/remotes/torvalds/*
[remote "sound"]
url = git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound.git
fetch = +refs/heads/*:refs/remotes/sound/*
Another general issue is that, I used to have just a few small files under .git/objects/XX, with a few large ones under .git/objects/pack . But at the moment, ".git/objects/pack" is 4.4GB, while ".git/objects/" is 5.2GB .
Also, is there a "best practice" if I like to track multiple upstreams (and the convenience of it), while keeping the local repo / heads (the part that "I do", and requiring back-up, etc). I thought of splitting the two into a "mine" repo with "info/alternates" pointing to a pure-fetch-reference-upstream repo; but I am a bit worried about doing a fetch on "mine" before or without updating the "pure-fetch-reference-upstream" repo, in which case I would end up with duplicate objects ending up in mine, and also, would be vulnerable to upstream doing rebase, for example. Any thoughts?
^ permalink raw reply [flat|nested] 3+ messages in thread
* Re: git doing large refetches
2020-06-25 17:46 ` git doing large refetches Hin-Tak Leung
@ 2020-06-25 17:54 ` Pratyush Yadav
0 siblings, 0 replies; 3+ messages in thread
From: Pratyush Yadav @ 2020-06-25 17:54 UTC (permalink / raw)
To: Hin-Tak Leung; +Cc: git
Hi,
On 25/06/20 05:46PM, Hin-Tak Leung wrote:
> Hi,
>
> Lately I noticed that git occasionally do very large re-fetches, despite the difference between local and remote being not large. For example, here are two aborted fetches (see how small the emumerating / counting /compressing are, compared to the receiving object number):
>
> $ git fetch torvalds
> remote: Enumerating objects: 19374, done.
> remote: Counting objects: 100% (19374/19374), done.
> remote: Compressing objects: 100% (4016/4016), done.
> ^Cceiving objects: 2% (161673/7478285), 80.54 MiB | 2.78 MiB/s
>
> $ git fetch sound
> remote: Enumerating objects: 52009, done.
> remote: Counting objects: 100% (52009/52009), done.
> remote: Compressing objects: 100% (5480/5480), done.
> ^Cceiving objects: 1% (74819/7481898), 37.92 MiB | 1.98 MiB/s
>
> I don't see any real pattern, as the last few times I fetch from either of those two are also quite small ( a few days ago).
>
> $ git --version
> git version 2.26.2
See https://lore.kernel.org/git/20200422155047.GB91734@google.com/
This problem shouldn't be present in v2.27.*
--
Regards,
Pratyush Yadav
^ permalink raw reply [flat|nested] 3+ messages in thread
* Re: git doing large refetches
[not found] <1406746652.7528852.1593187534410.ref@mail.yahoo.com>
@ 2020-06-26 16:05 ` Hin-Tak Leung
0 siblings, 0 replies; 3+ messages in thread
From: Hin-Tak Leung @ 2020-06-26 16:05 UTC (permalink / raw)
To: Pratyush Yadav; +Cc: git
On Thursday, 25 June 2020, 19:06:16 BST, Pratyush Yadav <me@yadavpratyush.com> wrote:
> Hi,
> On 25/06/20 05:46PM, Hin-Tak Leung wrote:
> > Hi,
> >
> > Lately I noticed that git occasionally do very large re-fetches, despite the difference between local and remote being not large. For example, here are two aborted fetches (see how small the emumerating / counting /compressing are, compared to the receiving object number):
> >
> > $ git fetch torvalds
> > remote: Enumerating objects: 19374, done.
> > remote: Counting objects: 100% (19374/19374), done.
> > remote: Compressing objects: 100% (4016/4016), done.
> > ^Cceiving objects: 2% (161673/7478285), 80.54 MiB | 2.78 MiB/s
> >
> > $ git fetch sound
> > remote: Enumerating objects: 52009, done.
> > remote: Counting objects: 100% (52009/52009), done.
> > remote: Compressing objects: 100% (5480/5480), done.
> > ^Cceiving objects: 1% (74819/7481898), 37.92 MiB | 1.98 MiB/s
> >
> > I don't see any real pattern, as the last few times I fetch from either of those two are also quite small ( a few days ago).
> >
> > $ git --version
> > git version 2.26.2
> See https://lore.kernel.org/git/20200422155047.GB91734@google.com/
> This problem shouldn't be present in v2.27.*
Thanks a lot! Glad to know it is already fixed!
Cheers,
Hin-Tak
^ permalink raw reply [flat|nested] 3+ messages in thread
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2020-06-25 17:46 ` git doing large refetches Hin-Tak Leung
2020-06-25 17:54 ` Pratyush Yadav
[not found] <1406746652.7528852.1593187534410.ref@mail.yahoo.com>
2020-06-26 16:05 ` Hin-Tak Leung
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