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Merge branch 'nd/pack-deltify-regression-fix'

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In a recent update in 2.18 era, "git pack-objects" started
producing a larger than necessary packfiles by missing
opportunities to use large deltas.

* nd/pack-deltify-regression-fix:
  pack-objects: fix performance issues on packing large deltas
This commit is contained in:
Junio C Hamano
2018-08-22 11:17:05 -07:00
parent 7e8bfb0412 9ac3f0e5b3
commit 29d9e3e2c4
5 changed files with 58 additions and 15 deletions
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4
pack-objects.c
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@ -146,6 +146,8 @@ void prepare_packing_data(struct packing_data *pdata)
pdata->oe_size_limit = git_env_ulong("GIT_TEST_OE_SIZE",
1U << OE_SIZE_BITS);
pdata->oe_delta_size_limit = git_env_ulong("GIT_TEST_OE_DELTA_SIZE",
1UL << OE_DELTA_SIZE_BITS);
}
struct object_entry *packlist_alloc(struct packing_data *pdata,
@ -160,6 +162,8 @@ struct object_entry *packlist_alloc(struct packing_data *pdata,
if (!pdata->in_pack_by_idx)
REALLOC_ARRAY(pdata->in_pack, pdata->nr_alloc);
if (pdata->delta_size)
REALLOC_ARRAY(pdata->delta_size, pdata->nr_alloc);
}
new_entry = pdata->objects + pdata->nr_objects++;