From: Jeff King <peff@peff.net>
To: Eric Wong <e@80x24.org>
Cc: git@vger.kernel.org
Subject: Re: [PATCH] allow disabling fsync everywhere
Date: Thu, 28 Oct 2021 10:36:51 -0400 [thread overview]
Message-ID: <YXq1g4Zwfq8gJEoC@coredump.intra.peff.net> (raw)
In-Reply-To: <20211028002102.19384-1-e@80x24.org>
On Thu, Oct 28, 2021 at 12:21:02AM +0000, Eric Wong wrote:
> "core.fsync" and the "GIT_FSYNC" environment variable now exist
> for disabling fsync() even on packfiles and other critical data.
>
> Running "make test -j8 NO_SVN_TESTS=1" on a noisy 8-core system
> on an HDD, adding "GIT_FSYNC=0" to the invocation brings my test
> runtime from ~4 minutes down to ~3 minutes.
>
> SVN interopability tests are minimally affected since SVN will
> still use fsync in various places.
>
> This will also be useful for 3rd-party tools which create
> throwaway git repositories of temporary data.
Do you mostly just care about the tests, or is the third-party tool
support important to you? I ask because most of us switched to running
the tests with --root=/some/tmpfs long ago to achieve the same speedup.
-Peff
next prev parent reply other threads:[~2021-10-28 14:38 UTC|newest]
Thread overview: 17+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-10-28 0:21 [PATCH] allow disabling fsync everywhere Eric Wong
2021-10-28 1:21 ` Eric Sunshine
2021-10-28 14:36 ` Jeff King [this message]
2021-10-28 18:28 ` Eric Wong
2021-10-28 19:29 ` Junio C Hamano
2021-10-29 0:15 ` [PATCH] tests: disable " Eric Wong
2021-10-29 5:18 ` Junio C Hamano
2021-10-29 7:56 ` Eric Wong
2021-10-29 18:12 ` Junio C Hamano
2021-10-29 7:33 ` Junio C Hamano
2021-10-29 7:48 ` Eric Wong
2021-10-29 17:22 ` Junio C Hamano
2021-10-29 20:34 ` Jeff King
2021-10-29 20:42 ` Junio C Hamano
2021-10-28 21:40 ` [PATCH] allow disabling " brian m. carlson
2021-10-29 11:20 ` Ævar Arnfjörð Bjarmason
2021-10-30 10:39 ` Eric Wong
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