diff options
Diffstat (limited to 'builtin')
| -rw-r--r-- | builtin/gc.c | 43 |
1 files changed, 42 insertions, 1 deletions
diff --git a/builtin/gc.c b/builtin/gc.c index 5f877b097a..8d22361fa9 100644 --- a/builtin/gc.c +++ b/builtin/gc.c @@ -1035,6 +1035,46 @@ static int multi_pack_index_expire(struct maintenance_run_opts *opts) return 0; } +#define TWO_GIGABYTES (INT32_MAX) + +static off_t get_auto_pack_size(void) +{ + /* + * The "auto" value is special: we optimize for + * one large pack-file (i.e. from a clone) and + * expect the rest to be small and they can be + * repacked quickly. + * + * The strategy we select here is to select a + * size that is one more than the second largest + * pack-file. This ensures that we will repack + * at least two packs if there are three or more + * packs. + */ + off_t max_size = 0; + off_t second_largest_size = 0; + off_t result_size; + struct packed_git *p; + struct repository *r = the_repository; + + reprepare_packed_git(r); + for (p = get_all_packs(r); p; p = p->next) { + if (p->pack_size > max_size) { + second_largest_size = max_size; + max_size = p->pack_size; + } else if (p->pack_size > second_largest_size) + second_largest_size = p->pack_size; + } + + result_size = second_largest_size + 1; + + /* But limit ourselves to a batch size of 2g */ + if (result_size > TWO_GIGABYTES) + result_size = TWO_GIGABYTES; + + return result_size; +} + static int multi_pack_index_repack(struct maintenance_run_opts *opts) { struct child_process child = CHILD_PROCESS_INIT; @@ -1045,7 +1085,8 @@ static int multi_pack_index_repack(struct maintenance_run_opts *opts) if (opts->quiet) strvec_push(&child.args, "--no-progress"); - strvec_push(&child.args, "--batch-size=0"); + strvec_pushf(&child.args, "--batch-size=%"PRIuMAX, + (uintmax_t)get_auto_pack_size()); close_object_store(the_repository->objects); |