From: "Ævar Arnfjörð Bjarmason" <avarab@gmail.com>
To: Sjon Hortensius <sjon@parse.nl>
Cc: git@vger.kernel.org
Subject: Re: 2.20.0 - Undocumented change in submodule update wrt # parallel jobs
Date: Thu, 13 Dec 2018 15:02:25 +0100
Message-ID: <87sgz11q4u.fsf@evledraar.gmail.com> (raw)
In-Reply-To: <CAHef355RQt9gN-7QjuAAT8mZsNFKfCo4hOYi2+bkp-0Av7W=Qw@mail.gmail.com>
On Thu, Dec 13 2018, Sjon Hortensius wrote:
> When switching to 2.20 our `git submodule update' (which clones
> through ssh) broke because our ssh-server rejected the ~20
> simultaneous connections the git-client makes. This seems to be caused
> by a (possibly unintended) change in
> https://github.com/git/git/commit/90efe595c53f4bb1851371344c35eff71f604d2b
> which removed the default of max_jobs=1
>
> While this can easily be fixed by configuring submodule.fetchJobs I
> think this change should be documented - or reverted back to it's
> previous default of 1
Just to add to this. SSH-ing with -j<ncores> (which I assume that ~20
is) is going to run into MaxStartups in sshd_config, which is especially
annoying as it's pre-ssh-auth, so the server doesn't even get "so and so
tried to login", it's just dropped as a potential DoS attack.
next prev parent reply index
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-12-13 9:15 Sjon Hortensius
2018-12-13 14:02 ` Ævar Arnfjörð Bjarmason [this message]
2018-12-13 14:17 ` Junio C Hamano
2018-12-13 18:50 ` Stefan Beller
2018-12-13 19:02 ` [PATCH] submodule update: run at most one fetch job unless otherwise set Stefan Beller
2018-12-13 19:04 ` Eric Sunshine
2018-12-14 2:53 ` Junio C Hamano
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