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From: Jeff King <peff@peff.net>
To: Patrick Steinhardt <ps@pks.im>
Cc: git@vger.kernel.org, Junio C Hamano <gitster@pobox.com>,
	Johannes Schindelin <Johannes.Schindelin@gmx.de>
Subject: Re: [PATCH 6/9] t7900: clean up large EXPENSIVE repository
Date: Fri, 3 Jul 2026 03:00:48 -0400	[thread overview]
Message-ID: <20260703070048.GB2082500@coredump.intra.peff.net> (raw)
In-Reply-To: <akdLryzNx1Vi2BnL@pks.im>

On Fri, Jul 03, 2026 at 07:42:07AM +0200, Patrick Steinhardt wrote:

> > Hmm, I hoped this would drop the time to run t7900 with --long, but it
> > takes about 1m40s both before and after your patch (vs ~6s without
> > --long). Just looking at the script, I'd guess that it's because the
> > subsequent repacks are mostly incremental or geometric, so they don't
> > need to write the big pack.
> > 
> > Oh well. It still seems like an obvious improvement, though, both in
> > terms of peak disk usage and avoiding unwanted surprises when more tests
> > are added later.
> 
> Yeah, the commit message is a bit hand-wavy there indeed. I think the
> bigger argument here is that having a test that is marked as EXPENSIVE
> and that may influence subsequent tests is just a bad idea.

Yes, very much agreed.

-Peff

  reply	other threads:[~2026-07-03  7:00 UTC|newest]

Thread overview: 44+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2026-07-02 12:00 [PATCH 0/9] t: fixes and improvements for GIT_TEST_LONG Patrick Steinhardt
2026-07-02 12:00 ` [PATCH 1/9] README: add GitLab CI badge to make it more discoverable Patrick Steinhardt
2026-07-02 12:00 ` [PATCH 2/9] t0021: skip EXPENSIVE test that is broken without SIZE_T_IS_32BIT Patrick Steinhardt
2026-07-02 12:00 ` [PATCH 3/9] t4141: fix inefficient use of dd(1) Patrick Steinhardt
2026-07-02 17:49   ` SZEDER Gábor
2026-07-03  5:42     ` Patrick Steinhardt
2026-07-02 21:16   ` Jeff King
2026-07-03  5:42     ` Patrick Steinhardt
2026-07-03  7:00       ` Jeff King
2026-07-02 12:00 ` [PATCH 4/9] t5608: reduce maximum disk usage Patrick Steinhardt
2026-07-02 12:00 ` [PATCH 5/9] t7508: skip EXPENSIVE test that is broken without SIZE_T_IS_32BIT Patrick Steinhardt
2026-07-02 21:22   ` Jeff King
2026-07-02 22:18     ` Jeff King
2026-07-02 12:00 ` [PATCH 6/9] t7900: clean up large EXPENSIVE repository Patrick Steinhardt
2026-07-02 21:30   ` Jeff King
2026-07-03  5:42     ` Patrick Steinhardt
2026-07-03  7:00       ` Jeff King [this message]
2026-07-02 12:01 ` [PATCH 7/9] t: use `test_bool_env` to parse GIT_TEST_LONG Patrick Steinhardt
2026-07-02 12:01 ` [PATCH 8/9] gitlab-ci: disable RAM disk on macOS jobs Patrick Steinhardt
2026-07-02 12:01 ` [PATCH 9/9] gitlab-ci: enable "GIT_TEST_LONG" Patrick Steinhardt
2026-07-03  9:24 ` [PATCH v2 0/9] t: fixes and improvements for GIT_TEST_LONG Patrick Steinhardt
2026-07-03  9:24   ` [PATCH v2 1/9] README: add GitLab CI badge to make it more discoverable Patrick Steinhardt
2026-07-03  9:24   ` [PATCH v2 2/9] t0021: skip EXPENSIVE test that is broken without SIZE_T_IS_32BIT Patrick Steinhardt
2026-07-03 17:36     ` Junio C Hamano
2026-07-06  6:23       ` Patrick Steinhardt
2026-07-03  9:24   ` [PATCH v2 3/9] t4141: fix inefficient use of dd(1) Patrick Steinhardt
2026-07-03  9:24   ` [PATCH v2 4/9] t5608: reduce maximum disk usage Patrick Steinhardt
2026-07-03  9:24   ` [PATCH v2 5/9] t7508: skip EXPENSIVE test that is broken without SIZE_T_IS_32BIT Patrick Steinhardt
2026-07-03 17:38     ` Junio C Hamano
2026-07-03  9:24   ` [PATCH v2 6/9] t7900: clean up large EXPENSIVE repository Patrick Steinhardt
2026-07-03  9:24   ` [PATCH v2 7/9] t: use `test_bool_env` to parse GIT_TEST_LONG Patrick Steinhardt
2026-07-03  9:24   ` [PATCH v2 8/9] gitlab-ci: disable RAM disk on macOS jobs Patrick Steinhardt
2026-07-03  9:24   ` [PATCH v2 9/9] gitlab-ci: enable "GIT_TEST_LONG" Patrick Steinhardt
2026-07-06  6:23 ` [PATCH v3 0/9] t: fixes and improvements for GIT_TEST_LONG Patrick Steinhardt
2026-07-06  6:23   ` [PATCH v3 1/9] README: add GitLab CI badge to make it more discoverable Patrick Steinhardt
2026-07-06  6:23   ` [PATCH v3 2/9] t0021: skip EXPENSIVE test that is broken without SIZE_T_IS_64BIT Patrick Steinhardt
2026-07-06  6:23   ` [PATCH v3 3/9] t4141: fix inefficient use of dd(1) Patrick Steinhardt
2026-07-06  6:23   ` [PATCH v3 4/9] t5608: reduce maximum disk usage Patrick Steinhardt
2026-07-06  6:24   ` [PATCH v3 5/9] t7508: skip EXPENSIVE test that is broken without SIZE_T_IS_64BIT Patrick Steinhardt
2026-07-06  6:24   ` [PATCH v3 6/9] t7900: clean up large EXPENSIVE repository Patrick Steinhardt
2026-07-06  6:24   ` [PATCH v3 7/9] t: use `test_bool_env` to parse GIT_TEST_LONG Patrick Steinhardt
2026-07-06  6:24   ` [PATCH v3 8/9] gitlab-ci: disable RAM disk on macOS jobs Patrick Steinhardt
2026-07-06  6:24   ` [PATCH v3 9/9] gitlab-ci: enable "GIT_TEST_LONG" Patrick Steinhardt
2026-07-06 20:29   ` [PATCH v3 0/9] t: fixes and improvements for GIT_TEST_LONG Junio C Hamano

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