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fetch-pack.c: enable fscache for stats under .git/objects

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When I do git fetch, git call file stats under .git/objects for each
refs. This takes time when there are many refs.

By enabling fscache, git takes file stats by directory traversing and that
improved the speed of fetch-pack for repository having large number of
refs.

In my windows workstation, this improves the time of `git fetch` for
chromium repository like below. I took stats 3 times.

* With this patch
TotalSeconds: 9.9825165
TotalSeconds: 9.1862075
TotalSeconds: 10.1956256
Avg: 9.78811653333333

* Without this patch
TotalSeconds: 15.8406702
TotalSeconds: 15.6248053
TotalSeconds: 15.2085938
Avg: 15.5580231

Signed-off-by: Takuto Ikuta <tikuta@chromium.org>
This commit is contained in:
Takuto Ikuta
2017-11-22 20:39:38 +09:00
committed by Johannes Schindelin
parent 2f685326de
commit 0dae53324a
1 changed files with 2 additions and 0 deletions
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2
fetch-pack.c
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@@ -680,6 +680,7 @@ static void mark_complete_and_common_ref(struct fetch_negotiator *negotiator,
save_commit_buffer = 0;
enable_fscache(1);
for (ref = *refs; ref; ref = ref->next) {
struct object *o;
unsigned int flags = OBJECT_INFO_QUICK;
@@ -709,6 +710,7 @@ static void mark_complete_and_common_ref(struct fetch_negotiator *negotiator,
cutoff = commit->date;
}
}
enable_fscache(0);
oidset_clear(&loose_oid_set);