git@vger.kernel.org mailing list mirror (one of many)
 help / color / mirror / code / Atom feed
From: "Ævar Arnfjörð Bjarmason" <avarab@gmail.com>
To: Mikko Rantalainen <mikko.rantalainen@peda.net>
Cc: git@vger.kernel.org
Subject: Re: Improve support for 'git config gc.reflogExpire never'
Date: Tue, 19 Mar 2019 10:30:17 +0100	[thread overview]
Message-ID: <87a7hrdxee.fsf@evledraar.gmail.com> (raw)
In-Reply-To: <39a0796a-7220-1e81-e7fe-3bf7329ed7de@peda.net>


On Fri, Mar 08 2019, Mikko Rantalainen wrote:

> If I configure bare repo with
>
> git config gc.pruneExpire never
> git config gc.reflogExpire never
>
> then git will never garbage collect any commit ever stored in the repo.
> This is what I want.
>
> However, all commits referenced only via reflog are kept as loose
> objects and will not be included in packs. In long run this will cause
>
> warning: There are too many unreachable loose objects; run 'git prune'
> to remove them.
>
> and the performance of the repository will slowly decrease.
>
>
> If I have understood correctly, git should notice that reflog will keep
> referenced commits forever and include all those commits in packs
> instead of keeping those as loose forever.
>
> A more generic behavior might be to always compress all loose commits in
> (one?) special pack so the performance would stay good even if
> gc.reflogExpire is very long instead of "never".
>
>
> Discussion about this case:
> https://stackoverflow.com/questions/28092485/how-to-prevent-garbage-collection-in-git
> https://stackoverflow.com/questions/55043693/is-it-possible-to-get-git-gc-to-pack-reflog-objects

Just to add to Jeff's E-Mail, the case he's describing is something I
wrote a stand-alone test case for here:
https://public-inbox.org/git/87fu6bmr0j.fsf@evledraar.gmail.com/

Try to run it, it's probably the same behavior you're seeing, and it has
nothing per-se to do with reflogs.

      parent reply	other threads:[~2019-03-19  9:30 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-03-08  8:27 Improve support for 'git config gc.reflogExpire never' Mikko Rantalainen
2019-03-19  6:47 ` Jeff King
2019-03-19  9:30 ` Ævar Arnfjörð Bjarmason [this message]

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

  List information: http://vger.kernel.org/majordomo-info.html

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=87a7hrdxee.fsf@evledraar.gmail.com \
    --to=avarab@gmail.com \
    --cc=git@vger.kernel.org \
    --cc=mikko.rantalainen@peda.net \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
Code repositories for project(s) associated with this public inbox

	https://80x24.org/mirrors/git.git

This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for read-only IMAP folder(s) and NNTP newsgroup(s).