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From: "Ævar Arnfjörð Bjarmason" <avarab@gmail.com>
To: Duy Nguyen <pclouds@gmail.com>
Cc: Jeff King <peff@peff.net>, Eric Wong <e@80x24.org>,
	Git Mailing List <git@vger.kernel.org>,
	Junio C Hamano <gitster@pobox.com>
Subject: Re: [PATCH v6 00/11] nd/pack-objects-pack-struct updates
Date: Wed, 21 Mar 2018 17:17:04 +0100	[thread overview]
Message-ID: <87vadpxv27.fsf@evledraar.gmail.com> (raw)
In-Reply-To: <CACsJy8DkF3TpTGKp5MdS1ApC8Yj6FOL5uAg5U__PjBAQY1vdNw@mail.gmail.com>


On Wed, Mar 21 2018, Duy Nguyen wrote:

> On Wed, Mar 21, 2018 at 9:24 AM, Jeff King <peff@peff.net> wrote:
>> On Sun, Mar 18, 2018 at 03:25:15PM +0100, Nguyễn Thái Ngọc Duy wrote:
>>
>>> v6 fixes the one optimization that I just couldn't get right, fixes
>>> two off-by-one error messages and a couple commit message update
>>> (biggest change is in 11/11 to record some numbers from AEvar)
>>
>> I was traveling during some of the earlier rounds, so I finally got a
>> chance to take a look at this.
>>
>> I hate to be a wet blanket, but am I the only one who is wondering
>> whether the tradeoffs is worth it? 8% memory reduction doesn't seem
>> mind-bogglingly good,
>
> AEvar measured RSS. If we count objects[] array alone, the saving is
> 40% (136 bytes per entry down to 80). Some is probably eaten up by
> mmap in rss.

Yeah, sorry about spreading that confusion.

>> and I'm concerned about two things:
>>
>>   1. The resulting code is harder to read and reason about (things like
>>      the DELTA() macros), and seems a lot more brittle (things like the
>>      new size_valid checks).
>>
>>   2. There are lots of new limits. Some of these are probably fine
>>      (e.g., the cacheable delta size), but things like the
>>      number-of-packs limit don't have very good user-facing behavior.
>>      Yes, having that many packs is insane, but that's going to be small
>>      consolation to somebody whose automated maintenance program now
>>      craps out at 16k packs, when it previously would have just worked
>>      to fix the situation.
>>
>> Saving 8% is nice, but the number of objects in linux.git grew over 12%
>> in the last year. So you've bought yourself 8 months before the problem
>> is back. Is it worth making these changes that we'll have to deal with
>> for many years to buy 8 months of memory savings?
>
> Well, with 40% it buys us a couple more months. The object growth
> affects rev-list --all too so the actual "good months" is probably not
> super far from 8 months.
>
> Is it worth saving? I don't know. I raised the readability point from
> the very first patch and if people believe it makes it much harder to
> read, then no it's not worth it.
>
> While pack-objects is simple from the functionality point of view, it
> has received lots of optimizations and to me is quite fragile.
> Readability does count in this code. Fortunately it still looks quite
> ok to me with this series applied (but then it's subjective)
>
> About the 16k limit (and some other limits as well), I'm making these
> patches with the assumption that large scale deployment probably will
> go with custom builds anyway. Adjusting the limits back should be
> quite easy while we can still provide reasonable defaults for most
> people.
>
>> I think ultimately to work on low-memory machines we'll need a
>> fundamentally different approach that scales with the objects since the
>> last pack, and not with the complete history.
>
> Absolutely. Which is covered in a separate "gc --auto" series. Some
> memory reduction here may be still nice to have though. Even on beefy
> machine, memory can still be reused somewhere other than wasted in
> unused bits.

FWIW I've been running a combination of these two at work (also keeping
the big pack), and they've had a sizable impact on packing our monorepo,
on one of our dev boxes on a real-world checkout with a combo of the
"base" pack and other packs + loose objects, as measured by
/usr/bin/time

 * Reduction in user time by 37%
 * Reduction in system time by 84%
 * Reduction in RSS by 61%
 * Reduction in page faults by 58% & 94% (time(1) reports two different numbers)
 * Reduction in the I of I/O by 58%
 * Reduction in the O of I/O by 94%

  reply	other threads:[~2018-03-21 16:17 UTC|newest]

Thread overview: 273+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-02-28  9:27 Reduce pack-objects memory footprint? Duy Nguyen
2018-02-28 10:17 ` Jeff King
2018-02-28 10:58   ` Duy Nguyen
2018-02-28 11:11     ` Jeff King
2018-02-28 11:24       ` Duy Nguyen
2018-02-28 18:22 ` Eric Wong
2018-03-01  9:00   ` Duy Nguyen
2018-03-01  9:10 ` [PATCH 00/11] Reduce pack-objects memory footprint Nguyễn Thái Ngọc Duy
2018-03-01  9:10   ` [PATCH 01/11] pack-objects: document holes in struct object_entry.h Nguyễn Thái Ngọc Duy
2018-03-01  9:10   ` [PATCH 02/11] pack-objects: turn type and in_pack_type to bitfields Nguyễn Thái Ngọc Duy
2018-03-01  9:10   ` [PATCH 03/11] pack-objects: use bitfield for object_entry::dfs_state Nguyễn Thái Ngọc Duy
2018-03-01  9:10   ` [PATCH 04/11] pack-objects: use bitfield for object_entry::depth Nguyễn Thái Ngọc Duy
2018-03-01 18:00     ` Junio C Hamano
2018-03-01  9:10   ` [PATCH 05/11] pack-objects: note about in_pack_header_size Nguyễn Thái Ngọc Duy
2018-03-01  9:10   ` [PATCH 06/11] pack-objects: move in_pack_pos out of struct object_entry Nguyễn Thái Ngọc Duy
2018-03-01  9:10   ` [PATCH 07/11] pack-objects: move in_pack " Nguyễn Thái Ngọc Duy
2018-03-01 12:37     ` Ævar Arnfjörð Bjarmason
2018-03-01 14:49     ` Jeff King
2018-03-02  0:02       ` Duy Nguyen
2018-03-01 18:05     ` Junio C Hamano
2018-03-01  9:10   ` [PATCH 08/11] pack-objects: faster reverse packed_git lookup Nguyễn Thái Ngọc Duy
2018-03-01  9:10   ` [PATCH 09/11] pack-objects: refer to delta objects by index instead of pointer Nguyễn Thái Ngọc Duy
2018-03-01 18:08     ` Junio C Hamano
2018-03-01  9:10   ` [PATCH 10/11] pack-objects: reorder 'hash' to pack struct object_entry Nguyễn Thái Ngọc Duy
2018-03-01  9:10   ` [PATCH 11/11] pack-objects: increase pack file limit to 4096 Nguyễn Thái Ngọc Duy
2018-03-01 13:33   ` [PATCH 00/11] Reduce pack-objects memory footprint Ævar Arnfjörð Bjarmason
2018-03-02  0:14     ` Duy Nguyen
2018-03-02 10:57       ` Jeff King
2018-03-03  2:46   ` [PATCH/RFC v2 0/9] " Nguyễn Thái Ngọc Duy
2018-03-03  2:46     ` [PATCH/RFC v2 1/9] pack-objects: document holes in struct object_entry.h Nguyễn Thái Ngọc Duy
2018-03-03  2:46     ` [PATCH/RFC v2 2/9] pack-objects: turn type and in_pack_type to bitfields Nguyễn Thái Ngọc Duy
2018-03-03  2:47     ` [PATCH/RFC v2 3/9] pack-objects: use bitfield for object_entry::dfs_state Nguyễn Thái Ngọc Duy
2018-03-03  2:47     ` [PATCH/RFC v2 4/9] pack-objects: use bitfield for object_entry::depth Nguyễn Thái Ngọc Duy
2018-03-03  2:47     ` [PATCH/RFC v2 5/9] pack-objects: note about in_pack_header_size Nguyễn Thái Ngọc Duy
2018-03-03  2:47     ` [PATCH/RFC v2 6/9] pack-objects: move in_pack_pos out of struct object_entry Nguyễn Thái Ngọc Duy
2018-03-03  2:47     ` [PATCH/RFC v2 7/9] pack-objects: move in_pack " Nguyễn Thái Ngọc Duy
2018-03-03  2:47     ` [PATCH/RFC v2 8/9] pack-objects: refer to delta objects by index instead of pointer Nguyễn Thái Ngọc Duy
2018-03-03  2:47     ` [PATCH/RFC v2 9/9] pack-objects: reorder 'hash' to pack struct object_entry Nguyễn Thái Ngọc Duy
2018-03-05  9:28     ` [PATCH/RFC v2 0/9] Reduce pack-objects memory footprint Duy Nguyen
2018-03-08 11:42     ` [PATCH/RFC v3 00/12] " Nguyễn Thái Ngọc Duy
2018-03-08 11:42       ` [PATCH/RFC v3 01/12] pack-objects: a bit of document about struct object_entry Nguyễn Thái Ngọc Duy
2018-03-09 22:34         ` Junio C Hamano
2018-03-08 11:42       ` [PATCH/RFC v3 02/12] pack-objects: turn type and in_pack_type to bitfields Nguyễn Thái Ngọc Duy
2018-03-09 22:54         ` Junio C Hamano
2018-03-12 17:51           ` Duy Nguyen
2018-03-08 11:42       ` [PATCH/RFC v3 03/12] pack-objects: use bitfield for object_entry::dfs_state Nguyễn Thái Ngọc Duy
2018-03-08 11:42       ` [PATCH/RFC v3 04/12] pack-objects: use bitfield for object_entry::depth Nguyễn Thái Ngọc Duy
2018-03-09 23:07         ` Junio C Hamano
2018-03-08 11:42       ` [PATCH/RFC v3 05/12] pack-objects: note about in_pack_header_size Nguyễn Thái Ngọc Duy
2018-03-08 11:42       ` [PATCH/RFC v3 06/12] pack-objects: move in_pack_pos out of struct object_entry Nguyễn Thái Ngọc Duy
2018-03-08 11:42       ` [PATCH/RFC v3 07/12] pack-objects: move in_pack " Nguyễn Thái Ngọc Duy
2018-03-09 23:21         ` Junio C Hamano
2018-03-08 11:42       ` [PATCH/RFC v3 08/12] pack-objects: refer to delta objects by index instead of pointer Nguyễn Thái Ngọc Duy
2018-03-14 16:18         ` Junio C Hamano
2018-03-08 11:42       ` [PATCH/RFC v3 09/12] pack-objects: reorder 'hash' to pack struct object_entry Nguyễn Thái Ngọc Duy
2018-03-08 11:42       ` [PATCH/RFC v3 10/12] pack-objects: shrink z_delta_size field in " Nguyễn Thái Ngọc Duy
2018-03-08 11:42       ` [PATCH/RFC v3 11/12] pack-objects: shrink size " Nguyễn Thái Ngọc Duy
2018-03-08 11:42       ` [PATCH/RFC v3 12/12] pack-objects: shrink delta_size " Nguyễn Thái Ngọc Duy
2018-03-16 18:31       ` [PATCH v4 00/11] nd/pack-objects-pack-struct updates Nguyễn Thái Ngọc Duy
2018-03-16 18:31         ` [PATCH v4 01/11] pack-objects: a bit of document about struct object_entry Nguyễn Thái Ngọc Duy
2018-03-16 20:32           ` Junio C Hamano
2018-03-17 11:59             ` Duy Nguyen
2018-03-16 18:31         ` [PATCH v4 02/11] pack-objects: turn type and in_pack_type to bitfields Nguyễn Thái Ngọc Duy
2018-03-16 20:49           ` Junio C Hamano
2018-03-16 18:31         ` [PATCH v4 03/11] pack-objects: use bitfield for object_entry::dfs_state Nguyễn Thái Ngọc Duy
2018-03-16 18:31         ` [PATCH v4 04/11] pack-objects: use bitfield for object_entry::depth Nguyễn Thái Ngọc Duy
2018-03-16 18:31         ` [PATCH v4 05/11] pack-objects: move in_pack_pos out of struct object_entry Nguyễn Thái Ngọc Duy
2018-03-16 18:31         ` [PATCH v4 06/11] pack-objects: move in_pack " Nguyễn Thái Ngọc Duy
2018-03-26 20:39           ` Stefan Beller
2018-03-16 18:31         ` [PATCH v4 07/11] pack-objects: refer to delta objects by index instead of pointer Nguyễn Thái Ngọc Duy
2018-03-16 20:59           ` Junio C Hamano
2018-03-16 18:31         ` [PATCH v4 08/11] pack-objects: shrink z_delta_size field in struct object_entry Nguyễn Thái Ngọc Duy
2018-03-16 19:40           ` Junio C Hamano
2018-03-16 18:31         ` [PATCH v4 09/11] pack-objects: shrink size " Nguyễn Thái Ngọc Duy
2018-03-16 19:49           ` Junio C Hamano
2018-03-16 21:34             ` Junio C Hamano
2018-03-16 18:31         ` [PATCH v4 10/11] pack-objects: shrink delta_size " Nguyễn Thái Ngọc Duy
2018-03-16 18:32         ` [PATCH v4 11/11] pack-objects.h: reorder members to shrink " Nguyễn Thái Ngọc Duy
2018-03-16 21:02           ` Junio C Hamano
2018-03-17 12:07             ` Duy Nguyen
2018-03-17 14:10         ` [PATCH v5 00/11] nd/pack-objects-pack-struct updates Nguyễn Thái Ngọc Duy
2018-03-17 14:10           ` [PATCH v5 01/11] pack-objects: a bit of document about struct object_entry Nguyễn Thái Ngọc Duy
2018-03-17 14:10           ` [PATCH v5 02/11] pack-objects: turn type and in_pack_type to bitfields Nguyễn Thái Ngọc Duy
2018-03-17 14:10           ` [PATCH v5 03/11] pack-objects: use bitfield for object_entry::dfs_state Nguyễn Thái Ngọc Duy
2018-03-17 14:10           ` [PATCH v5 04/11] pack-objects: use bitfield for object_entry::depth Nguyễn Thái Ngọc Duy
2018-03-17 21:26             ` Ævar Arnfjörð Bjarmason
2018-03-17 14:10           ` [PATCH v5 05/11] pack-objects: move in_pack_pos out of struct object_entry Nguyễn Thái Ngọc Duy
2018-03-17 14:10           ` [PATCH v5 06/11] pack-objects: move in_pack " Nguyễn Thái Ngọc Duy
2018-03-17 14:10           ` [PATCH v5 07/11] pack-objects: refer to delta objects by index instead of pointer Nguyễn Thái Ngọc Duy
2018-03-17 14:10           ` [PATCH v5 08/11] pack-objects: shrink z_delta_size field in struct object_entry Nguyễn Thái Ngọc Duy
2018-03-17 14:10           ` [PATCH v5 09/11] pack-objects: shrink size " Nguyễn Thái Ngọc Duy
2018-03-17 19:57             ` Ævar Arnfjörð Bjarmason
2018-03-18  5:09             ` Junio C Hamano
2018-03-18  8:23               ` Duy Nguyen
2018-03-17 14:10           ` [PATCH v5 10/11] pack-objects: shrink delta_size " Nguyễn Thái Ngọc Duy
2018-03-17 14:10           ` [PATCH v5 11/11] pack-objects.h: reorder members to shrink " Nguyễn Thái Ngọc Duy
2018-03-17 19:53             ` Ævar Arnfjörð Bjarmason
2018-03-18  8:49               ` Duy Nguyen
2018-03-17 19:45           ` [PATCH v5 00/11] nd/pack-objects-pack-struct updates Ævar Arnfjörð Bjarmason
2018-03-17 19:47             ` Ævar Arnfjörð Bjarmason
2018-03-18 14:25           ` [PATCH v6 " Nguyễn Thái Ngọc Duy
2018-03-18 14:25             ` [PATCH v6 01/11] pack-objects: a bit of document about struct object_entry Nguyễn Thái Ngọc Duy
2018-03-18 14:25             ` [PATCH v6 02/11] pack-objects: turn type and in_pack_type to bitfields Nguyễn Thái Ngọc Duy
2018-03-18 14:25             ` [PATCH v6 03/11] pack-objects: use bitfield for object_entry::dfs_state Nguyễn Thái Ngọc Duy
2018-03-18 14:25             ` [PATCH v6 04/11] pack-objects: use bitfield for object_entry::depth Nguyễn Thái Ngọc Duy
2018-03-18 14:25             ` [PATCH v6 05/11] pack-objects: move in_pack_pos out of struct object_entry Nguyễn Thái Ngọc Duy
2018-03-18 14:25             ` [PATCH v6 06/11] pack-objects: move in_pack " Nguyễn Thái Ngọc Duy
2018-03-18 14:25             ` [PATCH v6 07/11] pack-objects: refer to delta objects by index instead of pointer Nguyễn Thái Ngọc Duy
2018-03-18 14:25             ` [PATCH v6 08/11] pack-objects: shrink z_delta_size field in struct object_entry Nguyễn Thái Ngọc Duy
2018-03-18 14:25             ` [PATCH v6 09/11] pack-objects: shrink size " Nguyễn Thái Ngọc Duy
2018-03-18 14:49               ` Ævar Arnfjörð Bjarmason
2018-03-19 16:19               ` Junio C Hamano
2018-03-19 16:23                 ` Duy Nguyen
2018-03-19 16:43               ` Junio C Hamano
2018-03-19 16:54                 ` Duy Nguyen
2018-03-19 18:29                   ` Junio C Hamano
2018-03-19 18:45                     ` Duy Nguyen
2018-03-19 20:10                       ` Junio C Hamano
2018-03-20 18:08                         ` Duy Nguyen
2018-03-20 18:22                           ` Junio C Hamano
2018-03-21  8:03                           ` Jeff King
2018-03-21 16:12                             ` Duy Nguyen
2018-03-20 18:17                 ` Duy Nguyen
2018-03-18 14:25             ` [PATCH v6 10/11] pack-objects: shrink delta_size " Nguyễn Thái Ngọc Duy
2018-03-18 14:25             ` [PATCH v6 11/11] pack-objects: reorder members to shrink " Nguyễn Thái Ngọc Duy
2018-03-18 14:51             ` [PATCH v6 00/11] nd/pack-objects-pack-struct updates Ævar Arnfjörð Bjarmason
2018-03-21  8:24             ` Jeff King
2018-03-21 15:59               ` Duy Nguyen
2018-03-21 16:17                 ` Ævar Arnfjörð Bjarmason [this message]
2018-03-21 16:22                   ` Duy Nguyen
2018-03-21 16:46                 ` Duy Nguyen
2018-03-21 19:11                   ` Junio C Hamano
2018-03-22  9:32                 ` Jeff King
2018-03-22  9:46                   ` Jeff King
2018-03-22 10:57                   ` Duy Nguyen
2018-03-22 11:52                     ` Jeff King
2018-03-22 17:04                       ` Duy Nguyen
2018-03-23  1:28                   ` Ramsay Jones
2018-03-23  2:46                     ` Jeff King
2018-03-23  5:50                       ` Jeff King
2018-03-23 16:01                         ` Ramsay Jones
2018-03-24  6:40                           ` Jeff King
2018-03-23  7:05                       ` Duy Nguyen
2018-03-23 14:03                       ` Ramsay Jones
2018-03-21 16:31               ` Ævar Arnfjörð Bjarmason
2018-03-21 16:53                 ` Junio C Hamano
2018-03-21 17:00                   ` Duy Nguyen
2018-03-22  8:07                 ` Jeff King
2018-03-22  8:23                   ` Duy Nguyen
2018-03-22 10:01                     ` Jeff King
2018-03-24  6:33             ` [PATCH v7 00/13] " Nguyễn Thái Ngọc Duy
2018-03-24  6:33               ` [PATCH v7 01/13] pack-objects: a bit of document about struct object_entry Nguyễn Thái Ngọc Duy
2018-03-24  6:33               ` [PATCH v7 02/13] pack-objects: turn type and in_pack_type to bitfields Nguyễn Thái Ngọc Duy
2018-03-30 20:18                 ` Jeff King
2018-03-24  6:33               ` [PATCH v7 03/13] pack-objects: use bitfield for object_entry::dfs_state Nguyễn Thái Ngọc Duy
2018-03-30 20:23                 ` Jeff King
2018-03-24  6:33               ` [PATCH v7 04/13] pack-objects: use bitfield for object_entry::depth Nguyễn Thái Ngọc Duy
2018-03-30 20:26                 ` Jeff King
2018-03-24  6:33               ` [PATCH v7 05/13] pack-objects: move in_pack_pos out of struct object_entry Nguyễn Thái Ngọc Duy
2018-03-30 20:30                 ` Jeff King
2018-03-24  6:33               ` [PATCH v7 06/13] pack-objects: move in_pack " Nguyễn Thái Ngọc Duy
2018-03-24  9:42                 ` Ævar Arnfjörð Bjarmason
2018-03-24 12:26                   ` Duy Nguyen
2018-03-24 12:13                 ` Ævar Arnfjörð Bjarmason
2018-03-30 20:48                 ` Jeff King
2018-03-31  4:51                   ` Duy Nguyen
2018-03-31 10:20                     ` Jeff King
2018-03-31 10:45                       ` Duy Nguyen
2018-03-24  6:33               ` [PATCH v7 07/13] pack-objects: refer to delta objects by index instead of pointer Nguyễn Thái Ngọc Duy
2018-03-30 20:53                 ` Jeff King
2018-03-24  6:33               ` [PATCH v7 08/13] pack-objects: shrink z_delta_size field in struct object_entry Nguyễn Thái Ngọc Duy
2018-03-30 20:59                 ` Jeff King
2018-03-31  4:40                   ` Duy Nguyen
2018-03-31 10:17                     ` Jeff King
2018-03-24  6:33               ` [PATCH v7 09/13] pack-objects: don't check size when the object is bad Nguyễn Thái Ngọc Duy
2018-03-24  6:33               ` [PATCH v7 10/13] pack-objects: clarify the use of object_entry::size Nguyễn Thái Ngọc Duy
2018-03-30 21:04                 ` Jeff King
2018-03-31  4:35                   ` Duy Nguyen
2018-03-31 10:13                     ` Jeff King
2018-03-24  6:33               ` [PATCH v7 11/13] pack-objects: shrink size field in struct object_entry Nguyễn Thái Ngọc Duy
2018-03-30 21:18                 ` Jeff King
2018-03-24  6:33               ` [PATCH v7 12/13] pack-objects: shrink delta_size " Nguyễn Thái Ngọc Duy
2018-03-30 21:24                 ` Jeff King
2018-03-31  4:21                   ` Duy Nguyen
2018-03-31  9:10                   ` Duy Nguyen
2018-03-24  6:33               ` [PATCH v7 13/13] pack-objects: reorder members to shrink " Nguyễn Thái Ngọc Duy
2018-03-30 21:26                 ` Jeff King
2018-03-31  4:10                   ` Duy Nguyen
2018-03-26 15:13               ` [PATCH v7 00/13] nd/pack-objects-pack-struct updates Jeff King
2018-03-26 17:04                 ` Duy Nguyen
2018-03-27 16:53                   ` Jeff King
2018-03-31 10:02               ` [PATCH v8 00/15] " Nguyễn Thái Ngọc Duy
2018-03-31 10:02                 ` [PATCH v8 01/15] t/README: mention about running the test suite in special modes Nguyễn Thái Ngọc Duy
2018-03-31 10:02                 ` [PATCH v8 02/15] pack-objects: a bit of document about struct object_entry Nguyễn Thái Ngọc Duy
2018-03-31 10:02                 ` [PATCH v8 03/15] pack-objects: turn type and in_pack_type to bitfields Nguyễn Thái Ngọc Duy
2018-03-31 10:03                 ` [PATCH v8 04/15] pack-objects: use bitfield for object_entry::dfs_state Nguyễn Thái Ngọc Duy
2018-03-31 10:03                 ` [PATCH v8 05/15] pack-objects: use bitfield for object_entry::depth Nguyễn Thái Ngọc Duy
2018-03-31 10:03                 ` [PATCH v8 06/15] pack-objects: move in_pack_pos out of struct object_entry Nguyễn Thái Ngọc Duy
2018-03-31 10:03                 ` [PATCH v8 07/15] pack-objects: move in_pack " Nguyễn Thái Ngọc Duy
2018-03-31 10:03                 ` [PATCH v8 08/15] pack-objects: refer to delta objects by index instead of pointer Nguyễn Thái Ngọc Duy
2018-03-31 10:03                 ` [PATCH v8 09/15] pack-objects: shrink z_delta_size field in struct object_entry Nguyễn Thái Ngọc Duy
2018-03-31 10:03                 ` [PATCH v8 10/15] pack-objects: don't check size when the object is bad Nguyễn Thái Ngọc Duy
2018-03-31 10:03                 ` [PATCH v8 11/15] pack-objects: clarify the use of object_entry::size Nguyễn Thái Ngọc Duy
2018-03-31 10:03                 ` [PATCH v8 12/15] pack-objects: shrink size field in struct object_entry Nguyễn Thái Ngọc Duy
2018-03-31 10:03                 ` [PATCH v8 13/15] pack-objects: shrink delta_size " Nguyễn Thái Ngọc Duy
2018-03-31 10:03                 ` [PATCH v8 14/15] pack-objects: reorder members to shrink " Nguyễn Thái Ngọc Duy
2018-03-31 10:03                 ` [PATCH v8 15/15] ci: exercise the whole test suite with uncommon code in pack-objects Nguyễn Thái Ngọc Duy
2018-03-31 11:36                 ` [PATCH v8 00/15] nd/pack-objects-pack-struct updates Ævar Arnfjörð Bjarmason
2018-03-31 12:08                   ` Duy Nguyen
2018-03-31 15:43                     ` Ævar Arnfjörð Bjarmason
2018-04-06 21:47                 ` Jeff King
2018-03-01  9:20 ` [PATCH/RFC 0/1] Avoid expensive 'repack -ad' in gc --auto Nguyễn Thái Ngọc Duy
2018-03-01  9:20   ` [PATCH/RFC 1/1] gc --auto: exclude the largest giant pack in low-memory config Nguyễn Thái Ngọc Duy
2018-03-01 18:14     ` Junio C Hamano
2018-03-02  0:00       ` Duy Nguyen
2018-03-05 14:00     ` Ævar Arnfjörð Bjarmason
2018-03-06 10:41   ` [PATCH v2 0/5] Avoid expensive 'repack -ad' in gc --auto Nguyễn Thái Ngọc Duy
2018-03-06 10:41     ` [PATCH v2 1/5] fixup! Add a test showing that 'git repack' throws away grafted-away parents Nguyễn Thái Ngọc Duy
2018-03-06 18:01       ` Junio C Hamano
2018-03-06 10:41     ` [PATCH v2 2/5] repack: add --keep-pack option Nguyễn Thái Ngọc Duy
2018-03-06 18:25       ` Junio C Hamano
2018-03-07 10:19         ` Duy Nguyen
2018-03-06 10:41     ` [PATCH v2 3/5] gc --auto: exclude base pack if not enough mem to "repack -ad" Nguyễn Thái Ngọc Duy
2018-03-06 19:19       ` Junio C Hamano
2018-03-07 10:48         ` Duy Nguyen
2018-03-07 18:38           ` Junio C Hamano
2018-03-12 18:56             ` Ævar Arnfjörð Bjarmason
2018-03-12 21:16               ` Junio C Hamano
2018-03-12 22:01                 ` Ævar Arnfjörð Bjarmason
2018-03-15 16:48               ` Duy Nguyen
2018-03-07 10:48       ` Johannes Schindelin
2018-03-07 18:40         ` Junio C Hamano
2018-03-12 19:30       ` Ævar Arnfjörð Bjarmason
2018-03-15 17:00         ` Duy Nguyen
2018-03-15 19:21           ` Ævar Arnfjörð Bjarmason
2018-03-16 17:47             ` Duy Nguyen
2018-03-06 10:41     ` [PATCH v2 4/5] pack-objects: show some progress when counting kept objects Nguyễn Thái Ngọc Duy
2018-03-12 18:32       ` Ævar Arnfjörð Bjarmason
2018-03-16 19:14         ` Duy Nguyen
2018-03-16 20:13           ` Duy Nguyen
2018-03-06 10:41     ` [PATCH v2 5/5] pack-objects: display progress in get_object_details() Nguyễn Thái Ngọc Duy
2018-03-06 17:49     ` [PATCH v2 0/5] Avoid expensive 'repack -ad' in gc --auto Junio C Hamano
2018-03-16 19:27     ` [PATCH v3 0/7] nd/repack-keep-pack updates Nguyễn Thái Ngọc Duy
2018-03-16 19:27       ` [PATCH v3 1/7] repack: add --keep-pack option Nguyễn Thái Ngọc Duy
2018-03-16 19:27       ` [PATCH v3 2/7] gc: add --keep-base-pack Nguyễn Thái Ngọc Duy
2018-03-16 21:05         ` Ævar Arnfjörð Bjarmason
2018-03-19 17:26           ` Duy Nguyen
2018-03-19 19:04             ` Ævar Arnfjörð Bjarmason
2018-03-16 21:25         ` Ævar Arnfjörð Bjarmason
2018-03-16 19:27       ` [PATCH v3 3/7] gc: detect base packs based on gc.bigPackThreshold config Nguyễn Thái Ngọc Duy
2018-03-16 21:02         ` Ævar Arnfjörð Bjarmason
2018-03-16 19:27       ` [PATCH v3 4/7] gc --auto: exclude base pack if not enough mem to "repack -ad" Nguyễn Thái Ngọc Duy
2018-03-16 21:14         ` Ævar Arnfjörð Bjarmason
2018-03-16 19:27       ` [PATCH v3 5/7] gc: handle a corner case in gc.bigPackThreshold Nguyễn Thái Ngọc Duy
2018-03-16 21:10         ` Ævar Arnfjörð Bjarmason
2018-03-16 19:27       ` [PATCH v3 6/7] pack-objects: show some progress when counting kept objects Nguyễn Thái Ngọc Duy
2018-03-16 19:27       ` [PATCH v3 7/7] pack-objects: display progress in get_object_details() Nguyễn Thái Ngọc Duy
2018-03-24  7:25       ` [PATCH v4 0/7] nd/repack-keep-pack updates Nguyễn Thái Ngọc Duy
2018-03-24  7:25         ` [PATCH v4 1/7] t7700: have closing quote of a test at the beginning of line Nguyễn Thái Ngọc Duy
2018-03-24  7:25         ` [PATCH v4 2/7] repack: add --keep-pack option Nguyễn Thái Ngọc Duy
2018-03-24  7:25         ` [PATCH v4 3/7] gc: add --keep-largest-pack option Nguyễn Thái Ngọc Duy
2018-03-24  7:25         ` [PATCH v4 4/7] gc: add gc.bigPackThreshold config Nguyễn Thái Ngọc Duy
2018-03-24  7:25         ` [PATCH v4 5/7] gc: handle a corner case in gc.bigPackThreshold Nguyễn Thái Ngọc Duy
2018-03-24  7:25         ` [PATCH v4 6/7] gc --auto: exclude base pack if not enough mem to "repack -ad" Nguyễn Thái Ngọc Duy
2018-03-24  7:25         ` [PATCH v4 7/7] pack-objects: show some progress when counting kept objects Nguyễn Thái Ngọc Duy
2018-03-02 10:18 ` Reduce pack-objects memory footprint? Duy Nguyen
2018-03-02 10:37   ` Eric Wong
2018-03-02 10:54   ` Jeff King
2018-03-02 10:55     ` Duy Nguyen
2018-03-02 14:38     ` Duy Nguyen
2018-03-17 22:05 ` Why does pack-objects use so much memory on incremental packing? Ævar Arnfjörð Bjarmason
2018-03-18  8:37   ` Duy Nguyen
2018-03-20  5:28   ` Jeff King

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