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From: Duy Nguyen <pclouds@gmail.com>
To: Derrick Stolee <stolee@gmail.com>
Cc: Git Mailing List <git@vger.kernel.org>,
	Stefan Beller <sbeller@google.com>,
	Derrick Stolee <dstolee@microsoft.com>,
	Ævar Arnfjörð Bjarmason <avarab@gmail.com>,
	Jonathan Nieder <jrnieder@gmail.com>,
	Jonathan Tan <jonathantanmy@google.com>,
	Martin Fick <mfick@codeaurora.org>
Subject: Re: [PATCH 10/23] midx: write a lookup into the pack names chunk
Date: Sat, 9 Jun 2018 18:43:55 +0200
Message-ID: <CACsJy8C0K_3-=S-sV+jfKdRoF0Ta8eafbOT_B1zOfWCftwz8Bw@mail.gmail.com> (raw)
In-Reply-To: <20180607140338.32440-11-dstolee@microsoft.com>

On Thu, Jun 7, 2018 at 7:01 PM Derrick Stolee <stolee@gmail.com> wrote:
>
> Signed-off-by: Derrick Stolee <dstolee@microsoft.com>
> ---
>  Documentation/technical/pack-format.txt |  5 +++
>  builtin/midx.c                          |  7 ++++
>  midx.c                                  | 56 +++++++++++++++++++++++--
>  object-store.h                          |  2 +
>  t/t5319-midx.sh                         | 11 +++--
>  5 files changed, 75 insertions(+), 6 deletions(-)
>
> diff --git a/Documentation/technical/pack-format.txt b/Documentation/technical/pack-format.txt
> index 2b37be7b33..29bf87283a 100644
> --- a/Documentation/technical/pack-format.txt
> +++ b/Documentation/technical/pack-format.txt
> @@ -296,6 +296,11 @@ CHUNK LOOKUP:
>
>  CHUNK DATA:
>
> +       Packfile Name Lookup (ID: {'P', 'L', 'O', 'O'}) (P * 4 bytes)
> +           P * 4 bytes storing the offset in the packfile name chunk for
> +           the null-terminated string containing the filename for the
> +           ith packfile.
> +

Commit message is too light on this one. Why does this need to be
stored? Isn't the cost of rebuilding this in-core cheap?

Adding this chunk on disk in my opinion only adds more burden. Now you
have to verify that these offsets actually point to the right place.

>         Packfile Names (ID: {'P', 'N', 'A', 'M'})
>             Stores the packfile names as concatenated, null-terminated strings.
>             Packfiles must be listed in lexicographic order for fast lookups by
> diff --git a/builtin/midx.c b/builtin/midx.c
> index fe56560853..3a261e9bbf 100644
> --- a/builtin/midx.c
> +++ b/builtin/midx.c
> @@ -16,6 +16,7 @@ static struct opts_midx {
>
>  static int read_midx_file(const char *object_dir)
>  {
> +       uint32_t i;
>         struct midxed_git *m = load_midxed_git(object_dir);
>
>         if (!m)
> @@ -30,11 +31,17 @@ static int read_midx_file(const char *object_dir)
>
>         printf("chunks:");
>
> +       if (m->chunk_pack_lookup)
> +               printf(" pack_lookup");
>         if (m->chunk_pack_names)
>                 printf(" pack_names");
>
>         printf("\n");
>
> +       printf("packs:\n");
> +       for (i = 0; i < m->num_packs; i++)
> +               printf("%s\n", m->pack_names[i]);
> +
>         printf("object_dir: %s\n", m->object_dir);
>
>         return 0;
> diff --git a/midx.c b/midx.c
> index d4f4a01a51..923acda72e 100644
> --- a/midx.c
> +++ b/midx.c
> @@ -13,8 +13,9 @@
>  #define MIDX_HASH_LEN 20
>  #define MIDX_MIN_SIZE (MIDX_HEADER_SIZE + MIDX_HASH_LEN)
>
> -#define MIDX_MAX_CHUNKS 1
> +#define MIDX_MAX_CHUNKS 2
>  #define MIDX_CHUNK_ALIGNMENT 4
> +#define MIDX_CHUNKID_PACKLOOKUP 0x504c4f4f /* "PLOO" */
>  #define MIDX_CHUNKID_PACKNAMES 0x504e414d /* "PNAM" */
>  #define MIDX_CHUNKLOOKUP_WIDTH (sizeof(uint32_t) + sizeof(uint64_t))
>
> @@ -85,6 +86,10 @@ struct midxed_git *load_midxed_git(const char *object_dir)
>                 uint64_t chunk_offset = get_be64(m->data + 16 + MIDX_CHUNKLOOKUP_WIDTH * i);
>
>                 switch (chunk_id) {
> +                       case MIDX_CHUNKID_PACKLOOKUP:
> +                               m->chunk_pack_lookup = (uint32_t *)(m->data + chunk_offset);
> +                               break;
> +
>                         case MIDX_CHUNKID_PACKNAMES:
>                                 m->chunk_pack_names = m->data + chunk_offset;
>                                 break;
> @@ -102,9 +107,32 @@ struct midxed_git *load_midxed_git(const char *object_dir)
>                 }
>         }
>
> +       if (!m->chunk_pack_lookup)
> +               die("MIDX missing required pack lookup chunk");
>         if (!m->chunk_pack_names)
>                 die("MIDX missing required pack-name chunk");
>
> +       m->pack_names = xcalloc(m->num_packs, sizeof(const char *));
> +       for (i = 0; i < m->num_packs; i++) {
> +               if (i) {
> +                       if (ntohl(m->chunk_pack_lookup[i]) <= ntohl(m->chunk_pack_lookup[i - 1])) {
> +                               error("MIDX pack lookup value %d before %d",
> +                                     ntohl(m->chunk_pack_lookup[i - 1]),
> +                                     ntohl(m->chunk_pack_lookup[i]));
> +                               goto cleanup_fail;
> +                       }
> +               }
> +
> +               m->pack_names[i] = (const char *)(m->chunk_pack_names + ntohl(m->chunk_pack_lookup[i]));
> +
> +               if (i && strcmp(m->pack_names[i], m->pack_names[i - 1]) <= 0) {
> +                       error("MIDX pack names out of order: '%s' before '%s'",
> +                             m->pack_names[i - 1],
> +                             m->pack_names[i]);
> +                       goto cleanup_fail;
> +               }
> +       }
> +
>         return m;
>
>  cleanup_fail:
> @@ -162,6 +190,20 @@ static void sort_packs_by_name(char **pack_names, uint32_t nr_packs, uint32_t *p
>         }
>  }
>
> +static size_t write_midx_pack_lookup(struct hashfile *f,
> +                                    char **pack_names,
> +                                    uint32_t nr_packs)
> +{
> +       uint32_t i, cur_len = 0;
> +
> +       for (i = 0; i < nr_packs; i++) {
> +               hashwrite_be32(f, cur_len);
> +               cur_len += strlen(pack_names[i]) + 1;
> +       }
> +
> +       return sizeof(uint32_t) * (size_t)nr_packs;
> +}
> +
>  static size_t write_midx_pack_names(struct hashfile *f,
>                                     char **pack_names,
>                                     uint32_t num_packs)
> @@ -275,13 +317,17 @@ int write_midx_file(const char *object_dir)
>         FREE_AND_NULL(midx_name);
>
>         cur_chunk = 0;
> -       num_chunks = 1;
> +       num_chunks = 2;
>
>         written = write_midx_header(f, num_chunks, nr_packs);
>
> -       chunk_ids[cur_chunk] = MIDX_CHUNKID_PACKNAMES;
> +       chunk_ids[cur_chunk] = MIDX_CHUNKID_PACKLOOKUP;
>         chunk_offsets[cur_chunk] = written + (num_chunks + 1) * MIDX_CHUNKLOOKUP_WIDTH;
>
> +       cur_chunk++;
> +       chunk_ids[cur_chunk] = MIDX_CHUNKID_PACKNAMES;
> +       chunk_offsets[cur_chunk] = chunk_offsets[cur_chunk - 1] + nr_packs * sizeof(uint32_t);
> +
>         cur_chunk++;
>         chunk_ids[cur_chunk] = 0;
>         chunk_offsets[cur_chunk] = chunk_offsets[cur_chunk - 1] + pack_name_concat_len;
> @@ -311,6 +357,10 @@ int write_midx_file(const char *object_dir)
>                             chunk_ids[i]);
>
>                 switch (chunk_ids[i]) {
> +                       case MIDX_CHUNKID_PACKLOOKUP:
> +                               written += write_midx_pack_lookup(f, pack_names, nr_packs);
> +                               break;
> +
>                         case MIDX_CHUNKID_PACKNAMES:
>                                 written += write_midx_pack_names(f, pack_names, nr_packs);
>                                 break;
> diff --git a/object-store.h b/object-store.h
> index 199cf4bd44..1ba50459ca 100644
> --- a/object-store.h
> +++ b/object-store.h
> @@ -100,8 +100,10 @@ struct midxed_git {
>         uint32_t num_packs;
>         uint32_t num_objects;
>
> +       const uint32_t *chunk_pack_lookup;
>         const unsigned char *chunk_pack_names;
>
> +       const char **pack_names;
>         char object_dir[FLEX_ARRAY];
>  };
>
> diff --git a/t/t5319-midx.sh b/t/t5319-midx.sh
> index fdf4f84a90..a31c387c8f 100755
> --- a/t/t5319-midx.sh
> +++ b/t/t5319-midx.sh
> @@ -6,10 +6,15 @@ test_description='multi-pack-indexes'
>  midx_read_expect() {
>         NUM_PACKS=$1
>         cat >expect <<- EOF
> -       header: 4d494458 1 1 1 $NUM_PACKS
> -       chunks: pack_names
> -       object_dir: .
> +       header: 4d494458 1 1 2 $NUM_PACKS
> +       chunks: pack_lookup pack_names
> +       packs:
>         EOF
> +       if [ $NUM_PACKS -ge 1 ]
> +       then
> +               ls pack/ | grep idx | sort >> expect
> +       fi
> +       printf "object_dir: .\n" >>expect &&
>         git midx read --object-dir=. >actual &&
>         test_cmp expect actual
>  }
> --
> 2.18.0.rc1
>


-- 
Duy

  reply index

Thread overview: 192+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-06-07 14:03 [PATCH 00/23] Multi-pack-index (MIDX) Derrick Stolee
2018-06-07 14:03 ` [PATCH 01/23] midx: add design document Derrick Stolee
2018-06-11 19:04   ` Stefan Beller
2018-06-18 18:48     ` Derrick Stolee
2018-06-07 14:03 ` [PATCH 02/23] midx: add midx format details to pack-format.txt Derrick Stolee
2018-06-11 19:19   ` Stefan Beller
2018-06-18 19:01     ` Derrick Stolee
2018-06-18 19:41       ` Stefan Beller
2018-06-07 14:03 ` [PATCH 03/23] midx: add midx builtin Derrick Stolee
2018-06-07 17:20   ` Duy Nguyen
2018-06-18 19:23     ` Derrick Stolee
2018-06-11 21:02   ` Stefan Beller
2018-06-18 19:40     ` Derrick Stolee
2018-06-18 19:55       ` Stefan Beller
2018-06-18 19:58         ` Derrick Stolee
2018-06-07 14:03 ` [PATCH 04/23] midx: add 'write' subcommand and basic wiring Derrick Stolee
2018-06-07 17:27   ` Duy Nguyen
2018-06-07 14:03 ` [PATCH 05/23] midx: write header information to lockfile Derrick Stolee
2018-06-07 17:35   ` Duy Nguyen
2018-06-12 15:00   ` Duy Nguyen
2018-06-19 12:54     ` Derrick Stolee
2018-06-19 14:59       ` Duy Nguyen
2018-06-19 15:24         ` Derrick Stolee
2018-06-07 14:03 ` [PATCH 06/23] midx: struct midxed_git and 'read' subcommand Derrick Stolee
2018-06-07 17:54   ` Duy Nguyen
2018-06-20 13:13     ` Derrick Stolee
2018-06-07 18:31   ` Duy Nguyen
2018-06-20 13:33     ` Derrick Stolee
2018-06-20 15:07       ` Duy Nguyen
2018-06-20 16:39         ` Derrick Stolee
2018-06-07 14:03 ` [PATCH 07/23] midx: expand test data Derrick Stolee
2018-06-07 14:03 ` [PATCH 08/23] midx: read packfiles from pack directory Derrick Stolee
2018-06-07 18:03   ` Duy Nguyen
2018-06-20 16:33     ` [PATCH] packfile: generalize pack directory list Derrick Stolee
2018-06-07 14:03 ` [PATCH 09/23] midx: write pack names in chunk Derrick Stolee
2018-06-07 18:26   ` Duy Nguyen
2018-06-21 15:25     ` Derrick Stolee
2018-06-21 17:38       ` Junio C Hamano
2018-06-22 18:25         ` Derrick Stolee
2018-06-22 18:31           ` Junio C Hamano
2018-06-22 18:32             ` Derrick Stolee
2018-06-07 14:03 ` [PATCH 10/23] midx: write a lookup into the pack names chunk Derrick Stolee
2018-06-09 16:43   ` Duy Nguyen [this message]
2018-06-21 17:23     ` Derrick Stolee
2018-06-07 14:03 ` [PATCH 11/23] midx: sort and deduplicate objects from packfiles Derrick Stolee
2018-06-09 17:07   ` Duy Nguyen
2018-06-21 17:54     ` Derrick Stolee
2018-06-07 14:03 ` [PATCH 12/23] midx: write object ids in a chunk Derrick Stolee
2018-06-09 17:25   ` Duy Nguyen
2018-06-07 14:03 ` [PATCH 13/23] midx: write object id fanout chunk Derrick Stolee
2018-06-09 17:28   ` Duy Nguyen
2018-06-21 19:49     ` Derrick Stolee
2018-06-07 14:03 ` [PATCH 14/23] midx: write object offsets Derrick Stolee
2018-06-09 17:41   ` Duy Nguyen
2018-06-07 14:03 ` [PATCH 15/23] midx: create core.midx config setting Derrick Stolee
2018-06-07 14:03 ` [PATCH 16/23] midx: prepare midxed_git struct Derrick Stolee
2018-06-09 17:47   ` Duy Nguyen
2018-06-07 14:03 ` [PATCH 17/23] midx: read objects from multi-pack-index Derrick Stolee
2018-06-09 17:56   ` Duy Nguyen
2018-06-21 20:03     ` Derrick Stolee
2018-06-07 14:03 ` [PATCH 18/23] midx: use midx in abbreviation calculations Derrick Stolee
2018-06-09 18:01   ` Duy Nguyen
2018-06-22 18:38     ` Derrick Stolee
2018-06-07 14:03 ` [PATCH 19/23] midx: use existing midx when writing new one Derrick Stolee
2018-06-07 14:03 ` [PATCH 20/23] midx: use midx in approximate_object_count Derrick Stolee
2018-06-09 18:03   ` Duy Nguyen
2018-06-22 18:39     ` Derrick Stolee
2018-06-07 14:03 ` [PATCH 21/23] midx: prevent duplicate packfile loads Derrick Stolee
2018-06-09 18:05   ` Duy Nguyen
2018-06-07 14:03 ` [PATCH 22/23] midx: use midx to find ref-deltas Derrick Stolee
2018-06-07 14:03 ` [PATCH 23/23] midx: clear midx on repack Derrick Stolee
2018-06-09 18:13   ` Duy Nguyen
2018-06-22 18:44     ` Derrick Stolee
2018-06-07 14:06 ` [PATCH 00/23] Multi-pack-index (MIDX) Derrick Stolee
2018-06-07 14:45 ` Ævar Arnfjörð Bjarmason
2018-06-07 14:54   ` Derrick Stolee
2018-06-25 14:34 ` [PATCH v2 00/24] " Derrick Stolee
2018-06-25 14:34   ` [PATCH v2 01/24] multi-pack-index: add design document Derrick Stolee
2018-06-25 14:34   ` [PATCH v2 02/24] multi-pack-index: add format details Derrick Stolee
2018-06-25 14:34   ` [PATCH v2 03/24] multi-pack-index: add builtin Derrick Stolee
2018-06-25 19:15     ` Junio C Hamano
2018-06-25 14:34   ` [PATCH v2 04/24] multi-pack-index: add 'write' verb Derrick Stolee
2018-06-25 14:34   ` [PATCH v2 05/24] midx: write header information to lockfile Derrick Stolee
2018-06-25 19:19     ` Junio C Hamano
2018-07-05 19:13       ` Derrick Stolee
2018-06-25 14:34   ` [PATCH v2 06/24] multi-pack-index: load into memory Derrick Stolee
2018-06-25 19:38     ` Junio C Hamano
2018-07-05 14:19       ` Derrick Stolee
2018-07-05 18:58         ` Eric Sunshine
2018-07-06 19:20           ` Junio C Hamano
2018-06-25 14:34   ` [PATCH v2 07/24] multi-pack-index: expand test data Derrick Stolee
2018-06-25 19:45     ` Junio C Hamano
2018-06-25 14:34   ` [PATCH v2 08/24] packfile: generalize pack directory list Derrick Stolee
2018-06-25 19:57     ` Junio C Hamano
2018-06-25 14:34   ` [PATCH v2 09/24] multi-pack-index: read packfile list Derrick Stolee
2018-06-25 14:34   ` [PATCH v2 10/24] multi-pack-index: write pack names in chunk Derrick Stolee
2018-06-25 14:34   ` [PATCH v2 11/24] midx: read pack names into array Derrick Stolee
2018-06-25 23:52     ` Eric Sunshine
2018-06-25 14:34   ` [PATCH v2 12/24] midx: sort and deduplicate objects from packfiles Derrick Stolee
2018-06-25 14:34   ` [PATCH v2 13/24] midx: write object ids in a chunk Derrick Stolee
2018-06-25 14:34   ` [PATCH v2 14/24] midx: write object id fanout chunk Derrick Stolee
2018-06-25 14:34   ` [PATCH v2 15/24] midx: write object offsets Derrick Stolee
2018-06-25 14:34   ` [PATCH v2 16/24] config: create core.multiPackIndex setting Derrick Stolee
2018-06-25 14:34   ` [PATCH v2 17/24] midx: prepare midxed_git struct Derrick Stolee
2018-06-25 14:34   ` [PATCH v2 18/24] midx: read objects from multi-pack-index Derrick Stolee
2018-06-25 14:34   ` [PATCH v2 19/24] midx: use midx in abbreviation calculations Derrick Stolee
2018-06-25 14:34   ` [PATCH v2 20/24] midx: use existing midx when writing new one Derrick Stolee
2018-06-25 14:34   ` [PATCH v2 21/24] midx: use midx in approximate_object_count Derrick Stolee
2018-06-25 14:34   ` [PATCH v2 22/24] midx: prevent duplicate packfile loads Derrick Stolee
2018-06-25 14:34   ` [PATCH v2 23/24] packfile: skip loading index if in multi-pack-index Derrick Stolee
2018-06-25 14:34   ` [PATCH v2 24/24] midx: clear midx on repack Derrick Stolee
2018-07-06  0:52   ` [PATCH v3 00/24] Multi-pack-index (MIDX) Derrick Stolee
2018-07-06  0:52     ` [PATCH v3 01/24] multi-pack-index: add design document Derrick Stolee
2018-07-06  0:52     ` [PATCH v3 02/24] multi-pack-index: add format details Derrick Stolee
2018-07-06  0:53     ` [PATCH v3 03/24] multi-pack-index: add builtin Derrick Stolee
2018-07-06  3:54       ` Eric Sunshine
2018-07-06  0:53     ` [PATCH v3 04/24] multi-pack-index: add 'write' verb Derrick Stolee
2018-07-06  4:07       ` Eric Sunshine
2018-07-06  0:53     ` [PATCH v3 05/24] midx: write header information to lockfile Derrick Stolee
2018-07-06  0:53     ` [PATCH v3 06/24] multi-pack-index: load into memory Derrick Stolee
2018-07-06  4:19       ` Eric Sunshine
2018-07-06  5:18         ` Eric Sunshine
2018-07-09 19:08       ` Junio C Hamano
2018-07-12 16:06         ` Derrick Stolee
2018-07-06  0:53     ` [PATCH v3 07/24] multi-pack-index: expand test data Derrick Stolee
2018-07-06  4:36       ` Eric Sunshine
2018-07-06  5:20         ` Eric Sunshine
2018-07-12 14:10         ` Derrick Stolee
2018-07-12 18:02           ` Eric Sunshine
2018-07-12 18:06             ` Derrick Stolee
2018-07-06  0:53     ` [PATCH v3 08/24] packfile: generalize pack directory list Derrick Stolee
2018-07-06  0:53     ` [PATCH v3 09/24] multi-pack-index: read packfile list Derrick Stolee
2018-07-06  0:53     ` [PATCH v3 10/24] multi-pack-index: write pack names in chunk Derrick Stolee
2018-07-06  0:53     ` [PATCH v3 11/24] midx: read pack names into array Derrick Stolee
2018-07-06  4:58       ` Eric Sunshine
2018-07-06  0:53     ` [PATCH v3 12/24] midx: sort and deduplicate objects from packfiles Derrick Stolee
2018-07-06  0:53     ` [PATCH v3 13/24] midx: write object ids in a chunk Derrick Stolee
2018-07-06  5:04       ` Eric Sunshine
2018-07-06  0:53     ` [PATCH v3 14/24] midx: write object id fanout chunk Derrick Stolee
2018-07-06  0:53     ` [PATCH v3 15/24] midx: write object offsets Derrick Stolee
2018-07-06  5:27       ` Eric Sunshine
2018-07-12 16:33         ` Derrick Stolee
2018-07-06  0:53     ` [PATCH v3 16/24] config: create core.multiPackIndex setting Derrick Stolee
2018-07-06  5:39       ` Eric Sunshine
2018-07-12 13:19         ` Derrick Stolee
2018-07-12 16:30           ` Derrick Stolee
2018-07-11  9:48       ` SZEDER Gábor
2018-07-12 13:01         ` Derrick Stolee
2018-07-12 13:31           ` SZEDER Gábor
2018-07-12 15:40             ` Derrick Stolee
2018-07-12 17:29             ` Junio C Hamano
2018-07-06  0:53     ` [PATCH v3 17/24] midx: prepare midxed_git struct Derrick Stolee
2018-07-06  5:41       ` Eric Sunshine
2018-07-06  0:53     ` [PATCH v3 18/24] midx: read objects from multi-pack-index Derrick Stolee
2018-07-06  0:53     ` [PATCH v3 19/24] midx: use midx in abbreviation calculations Derrick Stolee
2018-07-06  0:53     ` [PATCH v3 20/24] midx: use existing midx when writing new one Derrick Stolee
2018-07-06  0:53     ` [PATCH v3 21/24] midx: use midx in approximate_object_count Derrick Stolee
2018-07-06  0:53     ` [PATCH v3 22/24] midx: prevent duplicate packfile loads Derrick Stolee
2018-07-06  0:53     ` [PATCH v3 23/24] packfile: skip loading index if in multi-pack-index Derrick Stolee
2018-07-06  0:53     ` [PATCH v3 24/24] midx: clear midx on repack Derrick Stolee
2018-07-06  5:52       ` Eric Sunshine
2018-07-12 19:39     ` [PATCH v4 00/23] Multi-pack-index (MIDX) Derrick Stolee
2018-07-12 19:39       ` [PATCH v4 01/23] multi-pack-index: add design document Derrick Stolee
2018-07-12 19:39       ` [PATCH v4 02/23] multi-pack-index: add format details Derrick Stolee
2018-07-12 19:39       ` [PATCH v4 03/23] multi-pack-index: add builtin Derrick Stolee
2018-07-20 18:22         ` Junio C Hamano
2018-07-20 22:15           ` brian m. carlson
2018-07-20 22:28             ` Junio C Hamano
2018-07-12 19:39       ` [PATCH v4 04/23] multi-pack-index: add 'write' verb Derrick Stolee
2018-07-12 22:56         ` Eric Sunshine
2018-07-12 19:39       ` [PATCH v4 05/23] midx: write header information to lockfile Derrick Stolee
2018-07-12 19:39       ` [PATCH v4 06/23] multi-pack-index: load into memory Derrick Stolee
2018-07-12 19:39       ` [PATCH v4 07/23] t5319: expand test data Derrick Stolee
2018-07-12 19:39       ` [PATCH v4 08/23] packfile: generalize pack directory list Derrick Stolee
2018-07-12 19:39       ` [PATCH v4 09/23] multi-pack-index: read packfile list Derrick Stolee
2018-07-12 19:39       ` [PATCH v4 10/23] multi-pack-index: write pack names in chunk Derrick Stolee
2018-07-12 19:39       ` [PATCH v4 11/23] midx: read pack names into array Derrick Stolee
2018-07-12 19:39       ` [PATCH v4 12/23] midx: sort and deduplicate objects from packfiles Derrick Stolee
2018-07-12 19:39       ` [PATCH v4 13/23] midx: write object ids in a chunk Derrick Stolee
2018-07-12 19:39       ` [PATCH v4 14/23] midx: write object id fanout chunk Derrick Stolee
2018-07-12 19:39       ` [PATCH v4 15/23] midx: write object offsets Derrick Stolee
2018-07-12 19:39       ` [PATCH v4 16/23] config: create core.multiPackIndex setting Derrick Stolee
2018-07-12 21:05         ` Junio C Hamano
2018-07-13  0:50           ` Derrick Stolee
2018-07-12 19:39       ` [PATCH v4 17/23] midx: read objects from multi-pack-index Derrick Stolee
2018-07-12 19:39       ` [PATCH v4 18/23] midx: use midx in abbreviation calculations Derrick Stolee
2018-07-12 19:39       ` [PATCH v4 19/23] midx: use existing midx when writing new one Derrick Stolee
2018-07-12 19:39       ` [PATCH v4 20/23] midx: use midx in approximate_object_count Derrick Stolee
2018-07-12 19:39       ` [PATCH v4 21/23] midx: prevent duplicate packfile loads Derrick Stolee
2018-07-12 19:39       ` [PATCH v4 22/23] packfile: skip loading index if in multi-pack-index Derrick Stolee
2018-07-12 19:39       ` [PATCH v4 23/23] midx: clear midx on repack Derrick Stolee
2018-07-12 21:11       ` [PATCH v4 00/23] Multi-pack-index (MIDX) Junio C Hamano

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