From: "Martin Ågren" <martin.agren@gmail.com>
To: Derrick Stolee <stolee@gmail.com>
Cc: "Derrick Stolee via GitGitGadget" <gitgitgadget@gmail.com>,
"Git Mailing List" <git@vger.kernel.org>,
"brian m. carlson" <sandals@crustytoothpaste.net>,
"Josh Steadmon" <steadmon@google.com>,
"Jonathan Nieder" <jrnieder@gmail.com>,
"Jeff King" <peff@peff.net>,
"Đoàn Trần Công Danh" <congdanhqx@gmail.com>,
"Phillip Wood" <phillip.wood123@gmail.com>,
"Emily Shaffer" <emilyshaffer@google.com>,
sluongng@gmail.com, "Jonathan Tan" <jonathantanmy@google.com>,
"Derrick Stolee" <derrickstolee@github.com>,
"Derrick Stolee" <dstolee@microsoft.com>
Subject: Re: [PATCH 05/11] maintenance: add commit-graph task
Date: Fri, 14 Aug 2020 14:23:05 +0200 [thread overview]
Message-ID: <CAN0heSqoPAx84-o2JKSjM6b+Jp2rk_j6p68iJg30AGDa+6HeeA@mail.gmail.com> (raw)
In-Reply-To: <0380dcbf-82a0-68d0-b421-9f5c5a640ab5@gmail.com>
On Wed, 12 Aug 2020 at 15:30, Derrick Stolee <stolee@gmail.com> wrote:
>
> On 8/7/2020 6:29 PM, Martin Ågren wrote:
> > On Thu, 6 Aug 2020 at 18:50, Derrick Stolee via GitGitGadget
> > <gitgitgadget@gmail.com> wrote:
> >> diff --git a/Documentation/git-maintenance.txt b/Documentation/git-maintenance.txt
> >> index 089fa4cedc..35b0be7d40 100644
> >> --- a/Documentation/git-maintenance.txt
> >> +++ b/Documentation/git-maintenance.txt
> >> @@ -35,6 +35,24 @@ run::
> >> TASKS
> >> -----
> >>
> >> +commit-graph::
> >> + The `commit-graph` job updates the `commit-graph` files incrementally,
> >> + then verifies that the written data is correct. If the new layer has an
> >> + issue, then the chain file is removed and the `commit-graph` is
> >> + rewritten from scratch.
> >> ++
> >> +The verification only checks the top layer of the `commit-graph` chain.
> >> +If the incremental write merged the new commits with at least one
> >> +existing layer, then there is potential for on-disk corruption being
> >> +carried forward into the new file. This will be noticed and the new
> >> +commit-graph file will be clean as Git reparses the commit data from
> >> +the object database.
> >
> > This reads somewhat awkwardly. I think what you mean is something like
> > "is there a risk for on-disk corruption? yes, but no: we're clever
> > enough to detect it and avoid it". So from a user's point of view, I
> > think this is too detailed.
[snip quite a bit]
> Back to the point of your comments: I'm not sure this second paragraph
> is required at all in the documentation. The first paragraph already
> says:
>
> ...then verifies that the written data is correct.
>
> This "written data" _is_ the top layer of the chain. There is probably
> no reason to dig deeper into _why_ we do this in this user-facing
> documentation.
>
> So, I propose just deleting this paragraph. What do you think?
Yeah, that makes lots of sense. Thanks!
Martin
next prev parent reply other threads:[~2020-08-14 12:23 UTC|newest]
Thread overview: 91+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-08-06 15:48 [PATCH 00/11] Maintenance I: Command, gc and commit-graph tasks Derrick Stolee via GitGitGadget
2020-08-06 15:48 ` [PATCH 01/11] maintenance: create basic maintenance runner Derrick Stolee via GitGitGadget
2020-08-07 22:16 ` Martin Ågren
2020-08-12 21:03 ` Jonathan Nieder
2020-08-12 22:07 ` Junio C Hamano
2020-08-12 22:50 ` Jonathan Nieder
2020-08-14 1:05 ` Derrick Stolee
2020-08-06 15:48 ` [PATCH 02/11] maintenance: add --quiet option Derrick Stolee via GitGitGadget
2020-08-06 15:48 ` [PATCH 03/11] maintenance: replace run_auto_gc() Derrick Stolee via GitGitGadget
2020-08-06 15:48 ` [PATCH 04/11] maintenance: initialize task array Derrick Stolee via GitGitGadget
2020-08-06 15:48 ` [PATCH 05/11] maintenance: add commit-graph task Derrick Stolee via GitGitGadget
2020-08-07 22:29 ` Martin Ågren
2020-08-12 13:30 ` Derrick Stolee
2020-08-14 12:23 ` Martin Ågren [this message]
2020-08-06 15:48 ` [PATCH 06/11] maintenance: add --task option Derrick Stolee via GitGitGadget
2020-08-06 15:48 ` [PATCH 07/11] maintenance: take a lock on the objects directory Derrick Stolee via GitGitGadget
2020-08-06 15:48 ` [PATCH 08/11] maintenance: create maintenance.<task>.enabled config Derrick Stolee via GitGitGadget
2020-08-06 15:48 ` [PATCH 09/11] maintenance: use pointers to check --auto Derrick Stolee via GitGitGadget
2020-08-06 15:48 ` [PATCH 10/11] maintenance: add auto condition for commit-graph task Derrick Stolee via GitGitGadget
2020-08-06 15:48 ` [PATCH 11/11] maintenance: add trace2 regions for task execution Derrick Stolee via GitGitGadget
2020-08-18 14:22 ` [PATCH v2 00/11] Maintenance I: Command, gc and commit-graph tasks Derrick Stolee via GitGitGadget
2020-08-18 14:22 ` [PATCH v2 01/11] maintenance: create basic maintenance runner Derrick Stolee via GitGitGadget
2020-08-18 14:22 ` [PATCH v2 02/11] maintenance: add --quiet option Derrick Stolee via GitGitGadget
2020-08-18 14:23 ` [PATCH v2 03/11] maintenance: replace run_auto_gc() Derrick Stolee via GitGitGadget
2020-08-18 14:23 ` [PATCH v2 04/11] maintenance: initialize task array Derrick Stolee via GitGitGadget
2020-08-18 23:46 ` Jonathan Tan
2020-08-18 14:23 ` [PATCH v2 05/11] maintenance: add commit-graph task Derrick Stolee via GitGitGadget
2020-08-18 23:51 ` Jonathan Tan
2020-08-19 15:04 ` Derrick Stolee
2020-08-19 17:43 ` Jonathan Tan
2020-08-18 14:23 ` [PATCH v2 06/11] maintenance: add --task option Derrick Stolee via GitGitGadget
2020-08-19 0:00 ` Jonathan Tan
2020-08-19 0:36 ` Junio C Hamano
2020-08-19 15:09 ` Derrick Stolee
2020-08-19 17:35 ` Jonathan Tan
2020-08-18 14:23 ` [PATCH v2 07/11] maintenance: take a lock on the objects directory Derrick Stolee via GitGitGadget
2020-08-19 0:04 ` Jonathan Tan
2020-08-19 15:10 ` Derrick Stolee
2020-08-18 14:23 ` [PATCH v2 08/11] maintenance: create maintenance.<task>.enabled config Derrick Stolee via GitGitGadget
2020-08-18 14:23 ` [PATCH v2 09/11] maintenance: use pointers to check --auto Derrick Stolee via GitGitGadget
2020-08-18 14:23 ` [PATCH v2 10/11] maintenance: add auto condition for commit-graph task Derrick Stolee via GitGitGadget
2020-08-19 0:09 ` Jonathan Tan
2020-08-19 15:15 ` Derrick Stolee
2020-08-18 14:23 ` [PATCH v2 11/11] maintenance: add trace2 regions for task execution Derrick Stolee via GitGitGadget
2020-08-19 0:11 ` Jonathan Tan
2020-08-18 20:18 ` [PATCH v2 00/11] Maintenance I: Command, gc and commit-graph tasks Junio C Hamano
2020-08-19 14:51 ` Derrick Stolee
2020-08-25 18:33 ` [PATCH v3 " Derrick Stolee via GitGitGadget
2020-08-25 18:33 ` [PATCH v3 01/11] maintenance: create basic maintenance runner Derrick Stolee via GitGitGadget
2020-08-25 18:33 ` [PATCH v3 02/11] maintenance: add --quiet option Derrick Stolee via GitGitGadget
2020-08-25 18:33 ` [PATCH v3 03/11] maintenance: replace run_auto_gc() Derrick Stolee via GitGitGadget
2020-08-25 18:33 ` [PATCH v3 04/11] maintenance: initialize task array Derrick Stolee via GitGitGadget
2020-08-25 18:33 ` [PATCH v3 05/11] maintenance: add commit-graph task Derrick Stolee via GitGitGadget
2020-08-25 18:33 ` [PATCH v3 06/11] maintenance: add --task option Derrick Stolee via GitGitGadget
2020-08-25 18:33 ` [PATCH v3 07/11] maintenance: take a lock on the objects directory Derrick Stolee via GitGitGadget
2020-08-26 23:02 ` Jonathan Tan
2020-08-25 18:33 ` [PATCH v3 08/11] maintenance: create maintenance.<task>.enabled config Derrick Stolee via GitGitGadget
2020-08-25 18:33 ` [PATCH v3 09/11] maintenance: use pointers to check --auto Derrick Stolee via GitGitGadget
2020-08-25 18:33 ` [PATCH v3 10/11] maintenance: add auto condition for commit-graph task Derrick Stolee via GitGitGadget
2020-08-26 23:02 ` Jonathan Tan
2020-08-26 23:56 ` Junio C Hamano
2020-08-25 18:33 ` [PATCH v3 11/11] maintenance: add trace2 regions for task execution Derrick Stolee via GitGitGadget
2020-09-04 13:09 ` [PATCH v4 00/11] Maintenance I: Command, gc and commit-graph tasks Derrick Stolee via GitGitGadget
2020-09-04 13:09 ` [PATCH v4 01/11] maintenance: create basic maintenance runner Derrick Stolee via GitGitGadget
2020-09-04 13:09 ` [PATCH v4 02/11] maintenance: add --quiet option Derrick Stolee via GitGitGadget
2020-09-04 13:09 ` [PATCH v4 03/11] maintenance: replace run_auto_gc() Derrick Stolee via GitGitGadget
2020-09-04 13:09 ` [PATCH v4 04/11] maintenance: initialize task array Derrick Stolee via GitGitGadget
2020-09-04 13:09 ` [PATCH v4 05/11] maintenance: add commit-graph task Derrick Stolee via GitGitGadget
2020-09-04 13:09 ` [PATCH v4 06/11] maintenance: add --task option Derrick Stolee via GitGitGadget
2020-09-04 13:09 ` [PATCH v4 07/11] maintenance: take a lock on the objects directory Derrick Stolee via GitGitGadget
2020-09-04 13:09 ` [PATCH v4 08/11] maintenance: create maintenance.<task>.enabled config Derrick Stolee via GitGitGadget
2020-09-04 13:09 ` [PATCH v4 09/11] maintenance: use pointers to check --auto Derrick Stolee via GitGitGadget
2020-09-04 13:09 ` [PATCH v4 10/11] maintenance: add auto condition for commit-graph task Derrick Stolee via GitGitGadget
2020-09-04 13:09 ` [PATCH v4 11/11] maintenance: add trace2 regions for task execution Derrick Stolee via GitGitGadget
2020-09-17 18:11 ` [PATCH v5 00/11] Maintenance I: Command, gc and commit-graph tasks Derrick Stolee via GitGitGadget
2020-09-17 18:11 ` [PATCH v5 01/11] maintenance: create basic maintenance runner Derrick Stolee via GitGitGadget
2020-09-17 18:11 ` [PATCH v5 02/11] maintenance: add --quiet option Derrick Stolee via GitGitGadget
2020-09-17 18:11 ` [PATCH v5 03/11] maintenance: replace run_auto_gc() Derrick Stolee via GitGitGadget
2020-09-17 18:11 ` [PATCH v5 04/11] maintenance: initialize task array Derrick Stolee via GitGitGadget
2020-09-17 18:11 ` [PATCH v5 05/11] maintenance: add commit-graph task Derrick Stolee via GitGitGadget
2020-09-17 18:11 ` [PATCH v5 06/11] maintenance: add --task option Derrick Stolee via GitGitGadget
2020-09-17 18:11 ` [PATCH v5 07/11] maintenance: take a lock on the objects directory Derrick Stolee via GitGitGadget
2020-09-21 13:36 ` Ævar Arnfjörð Bjarmason
2020-09-21 13:43 ` Derrick Stolee
2020-09-21 19:29 ` Junio C Hamano
2020-09-17 18:11 ` [PATCH v5 08/11] maintenance: create maintenance.<task>.enabled config Derrick Stolee via GitGitGadget
2020-09-17 18:11 ` [PATCH v5 09/11] maintenance: use pointers to check --auto Derrick Stolee via GitGitGadget
2020-09-17 18:11 ` [PATCH v5 10/11] maintenance: add auto condition for commit-graph task Derrick Stolee via GitGitGadget
2020-09-17 18:11 ` [PATCH v5 11/11] maintenance: add trace2 regions for task execution Derrick Stolee via GitGitGadget
2020-09-17 18:35 ` [PATCH v5 00/11] Maintenance I: Command, gc and commit-graph tasks Junio C Hamano
2020-09-18 13:14 ` Johannes Schindelin
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