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* [PATCH 0/9] midx: implement a multi-pack reverse index
@ 2021-02-10 23:02 Taylor Blau
  2021-02-10 23:02 ` [PATCH 1/9] t/helper/test-read-midx.c: add '--show-objects' Taylor Blau
                   ` (13 more replies)
  0 siblings, 14 replies; 171+ messages in thread
From: Taylor Blau @ 2021-02-10 23:02 UTC (permalink / raw)
  To: git; +Cc: dstolee, gitster, peff

This series describes and implements a reverse index for the multi-pack index,
based on a "pseudo-pack" which can be uniquely described by the multi-pack
index.

The details of the pseudo-pack, and multi-pack reverse index are laid out in
detail in the sixth patch.

This is in support of multi-pack reachability bitmaps, which contain objects
from the multi-pack index. Likewise, an object's bit position in a multi-pack
reachability bitmap is determined by its position with that multi-pack index's
pseudo pack.

In this series, there are no users of the multi-pack index, so this series is
mainly about laying the groundwork for implementing multi-pack bitmaps. This
series is the final prerequisite needed before we can implement multi-pack
bitmaps, which will come in the next series[1].

Since tb/pack-revindex-on-disk is queued to be merged to 'master', but hasn't
yet been merged, this series is based on that branch.

Thanks in advance for your review of this series, and all of the many other
series in support of multi-pack bitmaps.

[1]: If you're curious, you can find the patches in the tb/multi-pack-bitmaps
branch of my fork at https://github.com/ttaylorr/git.

Taylor Blau (9):
  t/helper/test-read-midx.c: add '--show-objects'
  midx: allow marking a pack as preferred
  midx: don't free midx_name early
  midx: keep track of the checksum
  midx: make some functions non-static
  Documentation/technical: describe multi-pack reverse indexes
  pack-revindex: read multi-pack reverse indexes
  pack-write.c: extract 'write_rev_file_order'
  pack-revindex: write multi-pack reverse indexes

 Documentation/git-multi-pack-index.txt       |  11 +-
 Documentation/technical/multi-pack-index.txt |   5 +-
 Documentation/technical/pack-format.txt      |  83 +++++++
 builtin/multi-pack-index.c                   |  10 +-
 builtin/repack.c                             |   2 +-
 midx.c                                       | 239 ++++++++++++++++++-
 midx.h                                       |  11 +-
 pack-revindex.c                              | 112 +++++++++
 pack-revindex.h                              |  46 ++++
 pack-write.c                                 |  39 ++-
 pack.h                                       |   1 +
 packfile.c                                   |   3 +
 t/helper/test-read-midx.c                    |  24 +-
 t/t5319-multi-pack-index.sh                  |  39 +++
 14 files changed, 591 insertions(+), 34 deletions(-)

-- 
2.30.0.667.g81c0cbc6fd

^ permalink raw reply	[flat|nested] 171+ messages in thread

end of thread, other threads:[~2021-09-18 15:58 UTC | newest]

Thread overview: 171+ messages (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
2021-02-10 23:02 [PATCH 0/9] midx: implement a multi-pack reverse index Taylor Blau
2021-02-10 23:02 ` [PATCH 1/9] t/helper/test-read-midx.c: add '--show-objects' Taylor Blau
2021-02-11  2:27   ` Derrick Stolee
2021-02-11  2:34     ` Taylor Blau
2021-02-10 23:02 ` [PATCH 2/9] midx: allow marking a pack as preferred Taylor Blau
2021-02-11 19:33   ` SZEDER Gábor
2021-02-15 15:49     ` Taylor Blau
2021-02-15 17:01       ` Ævar Arnfjörð Bjarmason
2021-02-15 18:41         ` [PATCH 0/5] commit-graph: parse_options() cleanup Ævar Arnfjörð Bjarmason
2021-02-15 18:41         ` [PATCH 1/5] commit-graph: define common usage with a macro Ævar Arnfjörð Bjarmason
2021-02-16 11:33           ` Derrick Stolee
2021-02-15 18:41         ` [PATCH 2/5] commit-graph: remove redundant handling of -h Ævar Arnfjörð Bjarmason
2021-02-16 11:35           ` Derrick Stolee
2021-02-15 18:41         ` [PATCH 3/5] commit-graph: use parse_options_concat() Ævar Arnfjörð Bjarmason
2021-02-15 18:51           ` Taylor Blau
2021-02-15 19:53             ` Taylor Blau
2021-02-15 20:39             ` Ævar Arnfjörð Bjarmason
2021-09-17 21:13               ` SZEDER Gábor
2021-09-17 22:03                 ` Jeff King
2021-09-18  4:30                   ` Taylor Blau
2021-09-18  7:20                     ` Ævar Arnfjörð Bjarmason
2021-09-18 15:56                       ` Taylor Blau
2021-09-18 15:58                         ` Taylor Blau
2021-09-18  0:58                 ` Ævar Arnfjörð Bjarmason
2021-02-15 18:41         ` [PATCH 4/5] commit-graph: refactor dispatch loop for style Ævar Arnfjörð Bjarmason
2021-02-15 18:53           ` Taylor Blau
2021-02-16 11:40             ` Derrick Stolee
2021-02-16 12:02               ` Ævar Arnfjörð Bjarmason
2021-02-16 18:28                 ` Derrick Stolee
2021-02-15 18:41         ` [PATCH 5/5] commit-graph: show usage on "commit-graph [write|verify] garbage" Ævar Arnfjörð Bjarmason
2021-02-15 19:06           ` Taylor Blau
2021-02-16 11:43           ` Derrick Stolee
2021-02-15 21:01         ` [PATCH v2 0/4] midx: split out sub-commands Taylor Blau
2021-02-15 21:01           ` [PATCH v2 1/4] builtin/multi-pack-index.c: inline 'flags' with options Taylor Blau
2021-02-15 21:01           ` [PATCH v2 2/4] builtin/multi-pack-index.c: don't handle 'progress' separately Taylor Blau
2021-02-15 21:39             ` Ævar Arnfjörð Bjarmason
2021-02-15 21:45               ` Taylor Blau
2021-02-16 11:47                 ` Derrick Stolee
2021-02-15 21:01           ` [PATCH v2 3/4] builtin/multi-pack-index.c: define common usage with a macro Taylor Blau
2021-02-15 21:01           ` [PATCH v2 4/4] builtin/multi-pack-index.c: split sub-commands Taylor Blau
2021-02-15 21:54             ` Ævar Arnfjörð Bjarmason
2021-02-15 22:34               ` Taylor Blau
2021-02-15 23:11                 ` Ævar Arnfjörð Bjarmason
2021-02-15 23:49                   ` Taylor Blau
2021-02-16 11:50           ` [PATCH v2 0/4] midx: split out sub-commands Derrick Stolee
2021-02-16 14:28             ` Taylor Blau
2021-02-10 23:02 ` [PATCH 3/9] midx: don't free midx_name early Taylor Blau
2021-02-10 23:02 ` [PATCH 4/9] midx: keep track of the checksum Taylor Blau
2021-02-11  2:33   ` Derrick Stolee
2021-02-11  2:35     ` Taylor Blau
2021-02-10 23:03 ` [PATCH 5/9] midx: make some functions non-static Taylor Blau
2021-02-10 23:03 ` [PATCH 6/9] Documentation/technical: describe multi-pack reverse indexes Taylor Blau
2021-02-11  2:48   ` Derrick Stolee
2021-02-11  3:03     ` Taylor Blau
2021-02-10 23:03 ` [PATCH 7/9] pack-revindex: read " Taylor Blau
2021-02-11  2:53   ` Derrick Stolee
2021-02-11  3:04     ` Taylor Blau
2021-02-11  7:54   ` Junio C Hamano
2021-02-11 14:54     ` Taylor Blau
2021-02-10 23:03 ` [PATCH 8/9] pack-write.c: extract 'write_rev_file_order' Taylor Blau
2021-02-10 23:03 ` [PATCH 9/9] pack-revindex: write multi-pack reverse indexes Taylor Blau
2021-02-11  2:58 ` [PATCH 0/9] midx: implement a multi-pack reverse index Derrick Stolee
2021-02-11  3:06   ` Taylor Blau
2021-02-11  8:13 ` Junio C Hamano
2021-02-11 18:37   ` Derrick Stolee
2021-02-11 18:55     ` Junio C Hamano
2021-02-24 19:09 ` [PATCH v2 00/15] " Taylor Blau
2021-02-24 19:09   ` [PATCH v2 01/15] builtin/multi-pack-index.c: inline 'flags' with options Taylor Blau
2021-02-24 19:09   ` [PATCH v2 02/15] builtin/multi-pack-index.c: don't handle 'progress' separately Taylor Blau
2021-02-24 19:09   ` [PATCH v2 03/15] builtin/multi-pack-index.c: define common usage with a macro Taylor Blau
2021-02-24 19:09   ` [PATCH v2 04/15] builtin/multi-pack-index.c: split sub-commands Taylor Blau
2021-03-02  4:06     ` Jonathan Tan
2021-03-02 19:02       ` Taylor Blau
2021-03-04  1:54         ` Jonathan Tan
2021-03-04  3:02           ` Taylor Blau
2021-02-24 19:09   ` [PATCH v2 05/15] builtin/multi-pack-index.c: don't enter bogus cmd_mode Taylor Blau
2021-02-24 19:09   ` [PATCH v2 06/15] builtin/multi-pack-index.c: display usage on unrecognized command Taylor Blau
2021-02-24 19:09   ` [PATCH v2 07/15] t/helper/test-read-midx.c: add '--show-objects' Taylor Blau
2021-02-24 19:09   ` [PATCH v2 08/15] midx: allow marking a pack as preferred Taylor Blau
2021-03-02  4:17     ` Jonathan Tan
2021-03-02 19:09       ` Taylor Blau
2021-03-04  2:00         ` Jonathan Tan
2021-03-04  3:04           ` Taylor Blau
2021-02-24 19:09   ` [PATCH v2 09/15] midx: don't free midx_name early Taylor Blau
2021-02-24 19:10   ` [PATCH v2 10/15] midx: keep track of the checksum Taylor Blau
2021-02-24 19:10   ` [PATCH v2 11/15] midx: make some functions non-static Taylor Blau
2021-02-24 19:10   ` [PATCH v2 12/15] Documentation/technical: describe multi-pack reverse indexes Taylor Blau
2021-03-02  4:21     ` Jonathan Tan
2021-03-02  4:36       ` Taylor Blau
2021-03-02 19:15       ` Taylor Blau
2021-03-04  2:03         ` Jonathan Tan
2021-02-24 19:10   ` [PATCH v2 13/15] pack-revindex: read " Taylor Blau
2021-03-02 18:36     ` Jonathan Tan
2021-03-03 15:27       ` Taylor Blau
2021-02-24 19:10   ` [PATCH v2 14/15] pack-write.c: extract 'write_rev_file_order' Taylor Blau
2021-02-24 19:10   ` [PATCH v2 15/15] pack-revindex: write multi-pack reverse indexes Taylor Blau
2021-03-02 18:40     ` Jonathan Tan
2021-03-03 15:30       ` Taylor Blau
2021-03-04  2:04         ` Jonathan Tan
2021-03-04  3:06           ` Taylor Blau
2021-03-11 17:04 ` [PATCH v3 00/16] midx: implement a multi-pack reverse index Taylor Blau
2021-03-11 17:04   ` [PATCH v3 01/16] builtin/multi-pack-index.c: inline 'flags' with options Taylor Blau
2021-03-29 11:20     ` Jeff King
2021-03-11 17:04   ` [PATCH v3 02/16] builtin/multi-pack-index.c: don't handle 'progress' separately Taylor Blau
2021-03-29 11:22     ` Jeff King
2021-03-11 17:04   ` [PATCH v3 03/16] builtin/multi-pack-index.c: define common usage with a macro Taylor Blau
2021-03-11 17:04   ` [PATCH v3 04/16] builtin/multi-pack-index.c: split sub-commands Taylor Blau
2021-03-29 11:36     ` Jeff King
2021-03-29 20:38       ` Taylor Blau
2021-03-30  7:04         ` Jeff King
2021-03-11 17:04   ` [PATCH v3 05/16] builtin/multi-pack-index.c: don't enter bogus cmd_mode Taylor Blau
2021-03-11 17:04   ` [PATCH v3 06/16] builtin/multi-pack-index.c: display usage on unrecognized command Taylor Blau
2021-03-29 11:42     ` Jeff King
2021-03-29 20:41       ` Taylor Blau
2021-03-11 17:05   ` [PATCH v3 07/16] t/helper/test-read-midx.c: add '--show-objects' Taylor Blau
2021-03-11 17:05   ` [PATCH v3 08/16] midx: allow marking a pack as preferred Taylor Blau
2021-03-29 12:00     ` Jeff King
2021-03-29 21:15       ` Taylor Blau
2021-03-30  7:11         ` Jeff King
2021-03-11 17:05   ` [PATCH v3 09/16] midx: don't free midx_name early Taylor Blau
2021-03-11 17:05   ` [PATCH v3 10/16] midx: keep track of the checksum Taylor Blau
2021-03-11 17:05   ` [PATCH v3 11/16] midx: make some functions non-static Taylor Blau
2021-03-11 17:05   ` [PATCH v3 12/16] Documentation/technical: describe multi-pack reverse indexes Taylor Blau
2021-03-29 12:12     ` Jeff King
2021-03-29 21:22       ` Taylor Blau
2021-03-11 17:05   ` [PATCH v3 13/16] pack-revindex: read " Taylor Blau
2021-03-29 12:43     ` Jeff King
2021-03-29 21:27       ` Taylor Blau
2021-03-11 17:05   ` [PATCH v3 14/16] pack-write.c: extract 'write_rev_file_order' Taylor Blau
2021-03-11 17:05   ` [PATCH v3 15/16] pack-revindex: write multi-pack reverse indexes Taylor Blau
2021-03-29 12:53     ` Jeff King
2021-03-29 21:30       ` Taylor Blau
2021-03-11 17:05   ` [PATCH v3 16/16] midx.c: improve cache locality in midx_pack_order_cmp() Taylor Blau
2021-03-29 12:59     ` Jeff King
2021-03-29 21:34       ` Taylor Blau
2021-03-30  7:15         ` Jeff King
2021-03-12 15:16   ` [PATCH v3 00/16] midx: implement a multi-pack reverse index Derrick Stolee
2021-03-29 13:05   ` Jeff King
2021-03-29 21:30     ` Junio C Hamano
2021-03-29 21:37     ` Taylor Blau
2021-03-30  7:15       ` Jeff King
2021-03-30 13:37         ` Taylor Blau
2021-03-30 15:03 ` [PATCH v4 " Taylor Blau
2021-03-30 15:03   ` [PATCH v4 01/16] builtin/multi-pack-index.c: inline 'flags' with options Taylor Blau
2021-03-30 15:03   ` [PATCH v4 02/16] builtin/multi-pack-index.c: don't handle 'progress' separately Taylor Blau
2021-03-30 15:03   ` [PATCH v4 03/16] builtin/multi-pack-index.c: define common usage with a macro Taylor Blau
2021-03-30 15:03   ` [PATCH v4 04/16] builtin/multi-pack-index.c: split sub-commands Taylor Blau
2021-03-30 15:04   ` [PATCH v4 05/16] builtin/multi-pack-index.c: don't enter bogus cmd_mode Taylor Blau
2021-03-30 15:04   ` [PATCH v4 06/16] builtin/multi-pack-index.c: display usage on unrecognized command Taylor Blau
2021-03-30 15:04   ` [PATCH v4 07/16] t/helper/test-read-midx.c: add '--show-objects' Taylor Blau
2021-03-30 15:04   ` [PATCH v4 08/16] midx: allow marking a pack as preferred Taylor Blau
2021-04-01  0:32     ` Taylor Blau
2021-03-30 15:04   ` [PATCH v4 09/16] midx: don't free midx_name early Taylor Blau
2021-03-30 15:04   ` [PATCH v4 10/16] midx: keep track of the checksum Taylor Blau
2021-03-30 15:04   ` [PATCH v4 11/16] midx: make some functions non-static Taylor Blau
2021-03-30 15:04   ` [PATCH v4 12/16] Documentation/technical: describe multi-pack reverse indexes Taylor Blau
2021-03-30 15:04   ` [PATCH v4 13/16] pack-revindex: read " Taylor Blau
2021-03-30 15:04   ` [PATCH v4 14/16] pack-write.c: extract 'write_rev_file_order' Taylor Blau
2021-09-08  1:08     ` [PATCH] pack-write: skip *.rev work when not writing *.rev Ævar Arnfjörð Bjarmason
2021-09-08  1:35       ` Carlo Arenas
2021-09-08  2:42         ` Taylor Blau
2021-09-08 15:47           ` Junio C Hamano
2021-09-08  2:50       ` Taylor Blau
2021-09-08  3:50         ` Taylor Blau
2021-09-08 10:18           ` Ævar Arnfjörð Bjarmason
2021-09-08 16:32             ` Taylor Blau
2021-03-30 15:04   ` [PATCH v4 15/16] pack-revindex: write multi-pack reverse indexes Taylor Blau
2021-03-30 15:04   ` [PATCH v4 16/16] midx.c: improve cache locality in midx_pack_order_cmp() Taylor Blau
2021-03-30 15:45   ` [PATCH v4 00/16] midx: implement a multi-pack reverse index Jeff King
2021-03-30 15:49     ` Taylor Blau
2021-03-30 16:01       ` Jeff King

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