From: "Derrick Stolee via GitGitGadget" <gitgitgadget@gmail.com> To: git@vger.kernel.org Cc: sandals@crustytoothpaste.net, steadmon@google.com, jrnieder@gmail.com, peff@peff.net, congdanhqx@gmail.com, phillip.wood123@gmail.com, emilyshaffer@google.com, sluongng@gmail.com, jonathantanmy@google.com, Derrick Stolee <derrickstolee@github.com>, Derrick Stolee <dstolee@microsoft.com> Subject: [PATCH v3 8/8] maintenance: add incremental-repack auto condition Date: Tue, 25 Aug 2020 18:36:39 +0000 [thread overview] Message-ID: <e9bb32f53ade2067f773bfe6e5c13ed1a5d694a6.1598380599.git.gitgitgadget@gmail.com> (raw) In-Reply-To: <pull.696.v3.git.1598380599.gitgitgadget@gmail.com> From: Derrick Stolee <dstolee@microsoft.com> The incremental-repack task updates the multi-pack-index by deleting pack- files that have been replaced with new packs, then repacking a batch of small pack-files into a larger pack-file. This incremental repack is faster than rewriting all object data, but is slower than some other maintenance activities. The 'maintenance.incremental-repack.auto' config option specifies how many pack-files should exist outside of the multi-pack-index before running the step. These pack-files could be created by 'git fetch' commands or by the loose-objects task. The default value is 10. Setting the option to zero disables the task with the '--auto' option, and a negative value makes the task run every time. Signed-off-by: Derrick Stolee <dstolee@microsoft.com> --- Documentation/config/maintenance.txt | 9 ++++++++ builtin/gc.c | 31 ++++++++++++++++++++++++++++ t/t7900-maintenance.sh | 31 ++++++++++++++++++++++++++++ 3 files changed, 71 insertions(+) diff --git a/Documentation/config/maintenance.txt b/Documentation/config/maintenance.txt index c31613be62..a0706d8f09 100644 --- a/Documentation/config/maintenance.txt +++ b/Documentation/config/maintenance.txt @@ -23,3 +23,12 @@ maintenance.loose-objects.auto:: positive value implies the command should run when the number of loose objects is at least the value of `maintenance.loose-objects.auto`. The default value is 100. + +maintenance.incremental-repack.auto:: + This integer config option controls how often the `incremental-repack` + task should be run as part of `git maintenance run --auto`. If zero, + then the `incremental-repack` task will not run with the `--auto` + option. A negative value will force the task to run every time. + Otherwise, a positive value implies the command should run when the + number of pack-files not in the multi-pack-index is at least the value + of `maintenance.incremental-repack.auto`. The default value is 10. diff --git a/builtin/gc.c b/builtin/gc.c index e043403400..f8459df04c 100644 --- a/builtin/gc.c +++ b/builtin/gc.c @@ -31,6 +31,7 @@ #include "refs.h" #include "remote.h" #include "midx.h" +#include "object-store.h" #define FAILED_RUN "failed to run %s" @@ -1002,6 +1003,35 @@ static int maintenance_task_loose_objects(struct maintenance_run_opts *opts) return prune_packed(opts) || pack_loose(opts); } +static int incremental_repack_auto_condition(void) +{ + struct packed_git *p; + int enabled; + int incremental_repack_auto_limit = 10; + int count = 0; + + if (git_config_get_bool("core.multiPackIndex", &enabled) || + !enabled) + return 0; + + git_config_get_int("maintenance.incremental-repack.auto", + &incremental_repack_auto_limit); + + if (!incremental_repack_auto_limit) + return 0; + if (incremental_repack_auto_limit < 0) + return 1; + + for (p = get_packed_git(the_repository); + count < incremental_repack_auto_limit && p; + p = p->next) { + if (!p->multi_pack_index) + count++; + } + + return count >= incremental_repack_auto_limit; +} + static int multi_pack_index_write(struct maintenance_run_opts *opts) { struct child_process child = CHILD_PROCESS_INIT; @@ -1157,6 +1187,7 @@ static struct maintenance_task tasks[] = { [TASK_INCREMENTAL_REPACK] = { "incremental-repack", maintenance_task_incremental_repack, + incremental_repack_auto_condition, }, [TASK_GC] = { "gc", diff --git a/t/t7900-maintenance.sh b/t/t7900-maintenance.sh index 5c08afc19a..6f878b0141 100755 --- a/t/t7900-maintenance.sh +++ b/t/t7900-maintenance.sh @@ -220,4 +220,35 @@ test_expect_success EXPENSIVE 'incremental-repack 2g limit' ' --no-progress --batch-size=2147483647 <run-2g.txt ' +test_expect_success 'maintenance.incremental-repack.auto' ' + git repack -adk && + git config core.multiPackIndex true && + git multi-pack-index write && + GIT_TRACE2_EVENT="$(pwd)/midx-init.txt" git \ + -c maintenance.incremental-repack.auto=1 \ + maintenance run --auto --task=incremental-repack 2>/dev/null && + test_subcommand ! git multi-pack-index write --no-progress <midx-init.txt && + for i in 1 2 + do + test_commit A-$i && + git pack-objects --revs .git/objects/pack/pack <<-\EOF && + HEAD + ^HEAD~1 + EOF + GIT_TRACE2_EVENT=$(pwd)/trace-A-$i git \ + -c maintenance.incremental-repack.auto=2 \ + maintenance run --auto --task=incremental-repack 2>/dev/null && + test_subcommand ! git multi-pack-index write --no-progress <trace-A-$i && + test_commit B-$i && + git pack-objects --revs .git/objects/pack/pack <<-\EOF && + HEAD + ^HEAD~1 + EOF + GIT_TRACE2_EVENT=$(pwd)/trace-B-$i git \ + -c maintenance.incremental-repack.auto=2 \ + maintenance run --auto --task=incremental-repack 2>/dev/null && + test_subcommand git multi-pack-index write --no-progress <trace-B-$i || return 1 + done +' + test_done -- gitgitgadget
next prev parent reply other threads:[~2020-08-25 18:37 UTC|newest] Thread overview: 66+ messages / expand[flat|nested] mbox.gz Atom feed top 2020-08-06 16:30 [PATCH 0/9] Maintenance II: prefetch, loose-objects, incremental-repack tasks Derrick Stolee via GitGitGadget 2020-08-06 16:30 ` [PATCH 1/9] fetch: optionally allow disabling FETCH_HEAD update Junio C Hamano via GitGitGadget 2020-08-12 23:10 ` Emily Shaffer 2020-08-13 0:03 ` Junio C Hamano 2020-08-13 1:45 ` Jonathan Nieder 2020-08-13 4:37 ` [PATCH v3] " Junio C Hamano 2020-08-14 1:13 ` Derrick Stolee 2020-08-14 1:32 ` Junio C Hamano 2020-08-06 16:30 ` [PATCH 2/9] maintenance: add prefetch task Derrick Stolee via GitGitGadget 2020-08-12 23:10 ` Emily Shaffer 2020-08-14 1:28 ` Derrick Stolee 2020-08-06 16:30 ` [PATCH 3/9] maintenance: add loose-objects task Derrick Stolee via GitGitGadget 2020-08-12 23:10 ` Emily Shaffer 2020-08-14 1:46 ` Derrick Stolee 2020-08-06 16:30 ` [PATCH 4/9] maintenance: create auto condition for loose-objects Derrick Stolee via GitGitGadget 2020-08-06 16:30 ` [PATCH 5/9] midx: enable core.multiPackIndex by default Derrick Stolee via GitGitGadget 2020-08-06 16:30 ` [PATCH 6/9] midx: use start_delayed_progress() Derrick Stolee via GitGitGadget 2020-08-06 16:30 ` [PATCH 7/9] maintenance: add incremental-repack task Derrick Stolee via GitGitGadget 2020-08-06 16:30 ` [PATCH 8/9] maintenance: auto-size incremental-repack batch Derrick Stolee via GitGitGadget 2020-08-06 17:02 ` Son Luong Ngoc 2020-08-06 18:13 ` Derrick Stolee 2020-08-06 16:30 ` [PATCH 9/9] maintenance: add incremental-repack auto condition Derrick Stolee via GitGitGadget 2020-08-18 14:25 ` [PATCH v2 0/9] Maintenance II: prefetch, loose-objects, incremental-repack tasks Derrick Stolee via GitGitGadget 2020-08-18 14:25 ` [PATCH v2 1/9] fetch: optionally allow disabling FETCH_HEAD update Junio C Hamano via GitGitGadget 2020-08-18 14:25 ` [PATCH v2 2/9] maintenance: add prefetch task Derrick Stolee via GitGitGadget 2020-08-18 14:25 ` [PATCH v2 3/9] maintenance: add loose-objects task Derrick Stolee via GitGitGadget 2020-08-18 14:25 ` [PATCH v2 4/9] maintenance: create auto condition for loose-objects Derrick Stolee via GitGitGadget 2020-08-18 14:25 ` [PATCH v2 5/9] midx: enable core.multiPackIndex by default Derrick Stolee via GitGitGadget 2020-08-18 14:25 ` [PATCH v2 6/9] midx: use start_delayed_progress() Derrick Stolee via GitGitGadget 2020-08-18 14:25 ` [PATCH v2 7/9] maintenance: add incremental-repack task Derrick Stolee via GitGitGadget 2020-08-18 14:25 ` [PATCH v2 8/9] maintenance: auto-size incremental-repack batch Derrick Stolee via GitGitGadget 2020-08-18 14:25 ` [PATCH v2 9/9] maintenance: add incremental-repack auto condition Derrick Stolee via GitGitGadget 2020-08-25 18:36 ` [PATCH v3 0/8] Maintenance II: prefetch, loose-objects, incremental-repack tasks Derrick Stolee via GitGitGadget 2020-08-25 18:36 ` [PATCH v3 1/8] maintenance: add prefetch task Derrick Stolee via GitGitGadget 2020-09-22 23:05 ` Jonathan Tan 2020-08-25 18:36 ` [PATCH v3 2/8] maintenance: add loose-objects task Derrick Stolee via GitGitGadget 2020-09-22 23:09 ` Jonathan Tan 2020-09-24 13:45 ` Derrick Stolee 2020-08-25 18:36 ` [PATCH v3 3/8] maintenance: create auto condition for loose-objects Derrick Stolee via GitGitGadget 2020-09-22 23:15 ` Jonathan Tan 2020-09-24 13:51 ` Derrick Stolee 2020-08-25 18:36 ` [PATCH v3 4/8] midx: enable core.multiPackIndex by default Derrick Stolee via GitGitGadget 2020-09-22 23:16 ` Jonathan Tan 2020-09-24 13:53 ` Derrick Stolee 2020-08-25 18:36 ` [PATCH v3 5/8] midx: use start_delayed_progress() Derrick Stolee via GitGitGadget 2020-08-25 18:36 ` [PATCH v3 6/8] maintenance: add incremental-repack task Derrick Stolee via GitGitGadget 2020-09-22 23:26 ` Jonathan Tan 2020-09-24 14:05 ` Derrick Stolee 2020-09-24 22:01 ` Jonathan Tan 2020-08-25 18:36 ` [PATCH v3 7/8] maintenance: auto-size incremental-repack batch Derrick Stolee via GitGitGadget 2020-08-25 18:36 ` Derrick Stolee via GitGitGadget [this message] 2020-09-22 23:52 ` [PATCH v3 8/8] maintenance: add incremental-repack auto condition Jonathan Tan 2020-08-25 20:59 ` [PATCH v3 0/8] Maintenance II: prefetch, loose-objects, incremental-repack tasks Junio C Hamano 2020-08-26 15:15 ` Son Luong Ngoc 2020-08-26 16:21 ` Derrick Stolee 2020-09-25 12:33 ` [PATCH v4 " Derrick Stolee via GitGitGadget 2020-09-25 12:33 ` [PATCH v4 1/8] maintenance: add prefetch task Derrick Stolee via GitGitGadget 2020-09-25 12:33 ` [PATCH v4 2/8] maintenance: add loose-objects task Derrick Stolee via GitGitGadget 2020-09-25 12:33 ` [PATCH v4 3/8] maintenance: create auto condition for loose-objects Derrick Stolee via GitGitGadget 2020-09-25 18:00 ` Junio C Hamano 2020-09-25 18:43 ` Derrick Stolee 2020-09-25 12:33 ` [PATCH v4 4/8] midx: enable core.multiPackIndex by default Derrick Stolee via GitGitGadget 2020-09-25 12:33 ` [PATCH v4 5/8] midx: use start_delayed_progress() Derrick Stolee via GitGitGadget 2020-09-25 12:33 ` [PATCH v4 6/8] maintenance: add incremental-repack task Derrick Stolee via GitGitGadget 2020-09-25 12:33 ` [PATCH v4 7/8] maintenance: auto-size incremental-repack batch Derrick Stolee via GitGitGadget 2020-09-25 12:33 ` [PATCH v4 8/8] maintenance: add incremental-repack auto condition Derrick Stolee via GitGitGadget
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