From: Taylor Blau <me@ttaylorr.com>
To: Derrick Stolee <stolee@gmail.com>
Cc: Garima Singh via GitGitGadget <gitgitgadget@gmail.com>,
git@vger.kernel.org, szeder.dev@gmail.com,
jonathantanmy@google.com,
Garima Singh <garima.singh@microsoft.com>,
"jnareb@gmail.com" <jnareb@gmail.com>,
"gitster@pobox.com" <gitster@pobox.com>
Subject: Re: [PATCH v4 00/15] Changed Paths Bloom Filters
Date: Sun, 12 Apr 2020 14:34:10 -0600 [thread overview]
Message-ID: <20200412203410.GA50412@syl.local> (raw)
In-Reply-To: <ced7a793-47d9-8254-93fe-acdda8f12334@gmail.com>
Hi Stolee,
On Wed, Apr 08, 2020 at 11:51:14AM -0400, Derrick Stolee wrote:
> On 4/6/2020 12:59 PM, Garima Singh via GitGitGadget wrote:
> > Hey!
> >
> > The commit graph feature brought in a lot of performance improvements across
> > multiple commands. However, file based history continues to be a performance
> > pain point, especially in large repositories.
> >
> > Adopting changed path Bloom filters has been discussed on the list before,
> > and a prototype version was worked on by SZEDER Gábor, Jonathan Tan and Dr.
> > Derrick Stolee [1]. This series is based on Dr. Stolee's proof of concept in
> > [2]
> >
> > With the changes in this series, git users will be able to choose to write
> > Bloom filters to the commit-graph using the following command:
> >
> > 'git commit-graph write --changed-paths'
> >
> > Subsequent 'git log -- path' commands will use these computed Bloom filters
> > to decided which commits are worth exploring further to produce the history
> > of the provided path.
>
> I noticed Jakub was not CC'd on this email. Jakub: do you plan to re-review
> the new version? Or are you satisfied with the resolutions to your comments?
>
> Is anyone else planning to review this series?
I feel horribly that I've had this patch series sitting in my review
backlog for months and haven't gotten to it yet, especially because I
have such an interest in these patches and know that much care was taken
to prepare them.
I read through these patches over some coffee today at a cursory level.
The high-level approach makes sense to me, and the implementation looks
solid. I think that anything that does come up (see below) can be
addressed in 'next' rather than waiting longer on this series.
For what it's worth, I'm planning on starting to test this series in
some of our testing repositories at GitHub, and I'll report back on our
experience with some notes (and patches) should anything come up.
> I'm just wondering when we should take this series to cook in 'next' and
> start building things on top of it, such as "git blame" or "git log -L"
> improvements. While it cooks, any bugs or issues could be resolved with
> patches on top of this version. That would be my preference, anyway.
That would be my preference, too.
I noticed a few small things (mostly a couple of typos and other very
minor details). But, I'd much rather build on top of this series once it
has landed in 'next' than go to a fifth re-roll since there are many
patches involved.
I also noticed that you have already sent some patches in a separate
series that are based on this one, which would apply cleanly if this
series is merged into next.
I figure that this will also be helpful as I send some patches about
extra 'commit-graph write' options out of GitHub's fork, since they will
inevitably create merge conflicts if we both are targeting 'next'. So,
I figure that this approach will ease some maintainer burden ;-).
>
> What do you think, Junio?
>
> Thanks,
> -Stolee
Thanks,
Taylor
next prev parent reply other threads:[~2020-04-12 20:34 UTC|newest]
Thread overview: 159+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-12-20 22:05 [PATCH 0/9] [RFC] Changed Paths Bloom Filters Garima Singh via GitGitGadget
2019-12-20 22:05 ` [PATCH 1/9] commit-graph: add --changed-paths option to write Garima Singh via GitGitGadget
2020-01-01 20:20 ` Jakub Narebski
2019-12-20 22:05 ` [PATCH 2/9] commit-graph: write changed paths bloom filters Garima Singh via GitGitGadget
2019-12-21 16:48 ` Philip Oakley
2020-01-06 18:44 ` Jakub Narebski
2020-01-13 19:48 ` Garima Singh
2019-12-20 22:05 ` [PATCH 3/9] commit-graph: use MAX_NUM_CHUNKS Garima Singh via GitGitGadget
2020-01-07 12:19 ` Jakub Narebski
2019-12-20 22:05 ` [PATCH 4/9] commit-graph: document bloom filter format Garima Singh via GitGitGadget
2020-01-07 14:46 ` Jakub Narebski
2019-12-20 22:05 ` [PATCH 5/9] commit-graph: write changed path bloom filters to commit-graph file Garima Singh via GitGitGadget
2020-01-07 16:01 ` Jakub Narebski
2020-01-14 15:14 ` Garima Singh
2019-12-20 22:05 ` [PATCH 6/9] commit-graph: test commit-graph write --changed-paths Garima Singh via GitGitGadget
2020-01-08 0:32 ` Jakub Narebski
2019-12-20 22:05 ` [PATCH 7/9] commit-graph: reuse existing bloom filters during write Garima Singh via GitGitGadget
2020-01-09 19:12 ` Jakub Narebski
2019-12-20 22:05 ` [PATCH 8/9] revision.c: use bloom filters to speed up path based revision walks Garima Singh via GitGitGadget
2020-01-11 0:27 ` Jakub Narebski
2020-01-15 0:08 ` Garima Singh
2019-12-20 22:05 ` [PATCH 9/9] commit-graph: add GIT_TEST_COMMIT_GRAPH_BLOOM_FILTERS test flag Garima Singh via GitGitGadget
2020-01-11 19:56 ` Jakub Narebski
2020-01-15 0:55 ` Garima Singh
2019-12-20 22:14 ` [PATCH 0/9] [RFC] Changed Paths Bloom Filters Junio C Hamano
2019-12-22 9:26 ` Christian Couder
2019-12-22 9:38 ` Jeff King
2020-01-01 12:04 ` Jakub Narebski
2019-12-22 9:30 ` Jeff King
2019-12-22 9:32 ` [PATCH 1/3] commit-graph: examine changed-path objects in pack order Jeff King
2019-12-27 14:51 ` Derrick Stolee
2019-12-29 6:12 ` Jeff King
2019-12-29 6:28 ` Jeff King
2019-12-30 14:37 ` Derrick Stolee
2019-12-30 14:51 ` Derrick Stolee
2019-12-22 9:32 ` [PATCH 2/3] commit-graph: free large diffs, too Jeff King
2019-12-27 14:52 ` Derrick Stolee
2019-12-22 9:32 ` [PATCH 3/3] commit-graph: stop using full rev_info for diffs Jeff King
2019-12-27 14:53 ` Derrick Stolee
2019-12-26 14:21 ` [PATCH 0/9] [RFC] Changed Paths Bloom Filters Derrick Stolee
2019-12-29 6:03 ` Jeff King
2019-12-27 16:11 ` Derrick Stolee
2019-12-29 6:24 ` Jeff King
2019-12-30 16:04 ` Derrick Stolee
2019-12-30 17:02 ` Junio C Hamano
2019-12-31 16:45 ` Jakub Narebski
2020-01-13 16:54 ` Garima Singh
2020-01-20 13:48 ` Jakub Narebski
2020-01-21 16:14 ` Garima Singh
2020-02-02 18:43 ` Jakub Narebski
2020-01-21 23:40 ` Emily Shaffer
2020-01-27 18:24 ` Garima Singh
2020-02-01 23:32 ` Jakub Narebski
2020-02-05 22:56 ` [PATCH v2 00/11] " Garima Singh via GitGitGadget
2020-02-05 22:56 ` [PATCH v2 01/11] commit-graph: use MAX_NUM_CHUNKS Garima Singh via GitGitGadget
2020-02-09 12:39 ` Jakub Narebski
2020-02-05 22:56 ` [PATCH v2 02/11] bloom: core Bloom filter implementation for changed paths Garima Singh via GitGitGadget
2020-02-15 17:17 ` Jakub Narebski
2020-02-16 16:49 ` Jakub Narebski
2020-02-22 0:32 ` Garima Singh
2020-02-23 13:38 ` Jakub Narebski
2020-02-24 17:34 ` Garima Singh
2020-02-24 18:20 ` Jakub Narebski
2020-02-05 22:56 ` [PATCH v2 03/11] diff: halt tree-diff early after max_changes Derrick Stolee via GitGitGadget
2020-02-17 0:00 ` Jakub Narebski
2020-02-22 0:37 ` Garima Singh
2020-02-05 22:56 ` [PATCH v2 04/11] commit-graph: compute Bloom filters for changed paths Garima Singh via GitGitGadget
2020-02-17 21:56 ` Jakub Narebski
2020-02-22 0:55 ` Garima Singh
2020-02-23 17:34 ` Jakub Narebski
2020-02-05 22:56 ` [PATCH v2 05/11] commit-graph: examine changed-path objects in pack order Jeff King via GitGitGadget
2020-02-18 17:59 ` Jakub Narebski
2020-02-24 18:29 ` Garima Singh
2020-02-05 22:56 ` [PATCH v2 06/11] commit-graph: examine commits by generation number Derrick Stolee via GitGitGadget
2020-02-19 0:32 ` Jakub Narebski
2020-02-24 20:45 ` Garima Singh
2020-02-05 22:56 ` [PATCH v2 07/11] commit-graph: write Bloom filters to commit graph file Garima Singh via GitGitGadget
2020-02-19 15:13 ` Jakub Narebski
2020-02-24 21:14 ` Garima Singh
2020-02-25 11:40 ` Jakub Narebski
2020-02-25 15:58 ` Garima Singh
2020-02-05 22:56 ` [PATCH v2 08/11] commit-graph: reuse existing Bloom filters during write Garima Singh via GitGitGadget
2020-02-20 18:48 ` Jakub Narebski
2020-02-24 21:45 ` Garima Singh
2020-02-05 22:56 ` [PATCH v2 09/11] commit-graph: add --changed-paths option to write subcommand Garima Singh via GitGitGadget
2020-02-20 20:28 ` Jakub Narebski
2020-02-24 21:51 ` Garima Singh
2020-02-25 12:10 ` Jakub Narebski
2020-02-20 22:10 ` Bryan Turner
2020-02-22 1:44 ` Garima Singh
2020-02-05 22:56 ` [PATCH v2 10/11] revision.c: use Bloom filters to speed up path based revision walks Garima Singh via GitGitGadget
2020-02-21 17:31 ` Jakub Narebski
2020-02-21 22:45 ` Jakub Narebski
2020-02-05 22:56 ` [PATCH v2 11/11] commit-graph: add GIT_TEST_COMMIT_GRAPH_CHANGED_PATHS test flag Garima Singh via GitGitGadget
2020-02-22 0:11 ` Jakub Narebski
2020-02-07 13:52 ` [PATCH v2 00/11] Changed Paths Bloom Filters SZEDER Gábor
2020-02-07 15:09 ` Garima Singh
2020-02-07 15:36 ` Derrick Stolee
2020-02-07 16:15 ` SZEDER Gábor
2020-02-07 16:33 ` Derrick Stolee
2020-02-11 19:08 ` Garima Singh
2020-02-08 23:04 ` Jakub Narebski
2020-02-21 17:41 ` Garima Singh
2020-03-29 18:36 ` Junio C Hamano
2020-03-30 0:31 ` [PATCH v3 00/16] " Garima Singh via GitGitGadget
2020-03-30 0:31 ` [PATCH v3 01/16] commit-graph: define and use MAX_NUM_CHUNKS Garima Singh via GitGitGadget
2020-03-30 0:31 ` [PATCH v3 02/16] bloom.c: add the murmur3 hash implementation Garima Singh via GitGitGadget
2020-03-30 0:31 ` [PATCH v3 03/16] bloom.c: introduce core Bloom filter constructs Garima Singh via GitGitGadget
2020-03-30 0:31 ` [PATCH v3 04/16] bloom.c: core Bloom filter implementation for changed paths Garima Singh via GitGitGadget
2020-03-30 0:31 ` [PATCH v3 05/16] diff: halt tree-diff early after max_changes Derrick Stolee via GitGitGadget
2020-03-30 0:31 ` [PATCH v3 06/16] commit-graph: compute Bloom filters for changed paths Garima Singh via GitGitGadget
2020-03-30 0:31 ` [PATCH v3 07/16] commit-graph: examine changed-path objects in pack order Jeff King via GitGitGadget
2020-03-30 0:31 ` [PATCH v3 08/16] commit-graph: examine commits by generation number Garima Singh via GitGitGadget
2020-03-30 0:31 ` [PATCH v3 09/16] diff: skip batch object download when possible Garima Singh via GitGitGadget
2020-03-30 0:31 ` [PATCH v3 10/16] commit-graph: write Bloom filters to commit graph file Garima Singh via GitGitGadget
2020-03-30 0:31 ` [PATCH v3 11/16] commit-graph: reuse existing Bloom filters during write Garima Singh via GitGitGadget
2020-03-30 0:31 ` [PATCH v3 12/16] commit-graph: add --changed-paths option to write subcommand Garima Singh via GitGitGadget
2020-03-30 0:31 ` [PATCH v3 13/16] revision.c: use Bloom filters to speed up path based revision walks Garima Singh via GitGitGadget
2020-03-30 0:31 ` [PATCH v3 14/16] revision.c: add trace2 stats around Bloom filter usage Garima Singh via GitGitGadget
2020-03-30 0:31 ` [PATCH v3 15/16] t4216: add end to end tests for git log with Bloom filters Garima Singh via GitGitGadget
2020-03-30 0:31 ` [PATCH v3 16/16] commit-graph: add GIT_TEST_COMMIT_GRAPH_CHANGED_PATHS test flag Garima Singh via GitGitGadget
2020-04-06 16:59 ` [PATCH v4 00/15] Changed Paths Bloom Filters Garima Singh via GitGitGadget
2020-04-06 16:59 ` [PATCH v4 01/15] commit-graph: define and use MAX_NUM_CHUNKS Garima Singh via GitGitGadget
2020-04-06 16:59 ` [PATCH v4 02/15] bloom.c: add the murmur3 hash implementation Garima Singh via GitGitGadget
2020-04-06 16:59 ` [PATCH v4 03/15] bloom.c: introduce core Bloom filter constructs Garima Singh via GitGitGadget
2020-04-06 16:59 ` [PATCH v4 04/15] bloom.c: core Bloom filter implementation for changed paths Garima Singh via GitGitGadget
2020-06-27 15:53 ` SZEDER Gábor
2020-04-06 16:59 ` [PATCH v4 05/15] diff: halt tree-diff early after max_changes Derrick Stolee via GitGitGadget
2020-08-04 14:47 ` SZEDER Gábor
2020-08-04 16:25 ` Derrick Stolee
2020-08-04 17:00 ` SZEDER Gábor
2020-08-04 17:31 ` Derrick Stolee
2020-08-05 17:08 ` Derrick Stolee
2020-04-06 16:59 ` [PATCH v4 06/15] commit-graph: compute Bloom filters for changed paths Garima Singh via GitGitGadget
2020-04-06 16:59 ` [PATCH v4 07/15] commit-graph: examine changed-path objects in pack order Jeff King via GitGitGadget
2020-04-06 16:59 ` [PATCH v4 08/15] commit-graph: examine commits by generation number Garima Singh via GitGitGadget
2020-04-06 16:59 ` [PATCH v4 09/15] commit-graph: write Bloom filters to commit graph file Garima Singh via GitGitGadget
2020-05-29 8:57 ` SZEDER Gábor
2020-05-29 13:35 ` Derrick Stolee
2020-05-31 17:23 ` SZEDER Gábor
2020-07-09 17:00 ` [PATCH] commit-graph: fix "Writing out commit graph" progress counter SZEDER Gábor
2020-07-09 18:01 ` Derrick Stolee
2020-07-09 18:20 ` Derrick Stolee
2020-04-06 16:59 ` [PATCH v4 10/15] commit-graph: reuse existing Bloom filters during write Garima Singh via GitGitGadget
2020-06-19 14:02 ` SZEDER Gábor
2020-06-19 19:28 ` Junio C Hamano
2020-07-27 21:33 ` SZEDER Gábor
2020-04-06 16:59 ` [PATCH v4 11/15] commit-graph: add --changed-paths option to write subcommand Garima Singh via GitGitGadget
2020-06-07 22:21 ` SZEDER Gábor
2020-04-06 16:59 ` [PATCH v4 12/15] revision.c: use Bloom filters to speed up path based revision walks Garima Singh via GitGitGadget
2020-06-26 6:34 ` SZEDER Gábor
2020-04-06 16:59 ` [PATCH v4 13/15] revision.c: add trace2 stats around Bloom filter usage Garima Singh via GitGitGadget
2020-04-06 16:59 ` [PATCH v4 14/15] t4216: add end to end tests for git log with Bloom filters Garima Singh via GitGitGadget
2020-04-06 16:59 ` [PATCH v4 15/15] commit-graph: add GIT_TEST_COMMIT_GRAPH_CHANGED_PATHS test flag Garima Singh via GitGitGadget
2020-04-08 15:51 ` [PATCH v4 00/15] Changed Paths Bloom Filters Derrick Stolee
2020-04-08 19:21 ` Junio C Hamano
2020-04-08 20:05 ` Jakub Narębski
2020-04-12 20:34 ` Taylor Blau [this message]
2020-03-05 19:49 ` [PATCH 0/9] [RFC] " Garima Singh
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