diff options
Diffstat (limited to '_support/git-patches/v2.33.1.gl3/0014-fetch-avoid-second-connectivity-check-if-we-already-.patch')
| -rw-r--r-- | _support/git-patches/v2.33.1.gl3/0014-fetch-avoid-second-connectivity-check-if-we-already-.patch | 78 |
1 files changed, 0 insertions, 78 deletions
diff --git a/_support/git-patches/v2.33.1.gl3/0014-fetch-avoid-second-connectivity-check-if-we-already-.patch b/_support/git-patches/v2.33.1.gl3/0014-fetch-avoid-second-connectivity-check-if-we-already-.patch deleted file mode 100644 index 89a16dfa0..000000000 --- a/_support/git-patches/v2.33.1.gl3/0014-fetch-avoid-second-connectivity-check-if-we-already-.patch +++ /dev/null @@ -1,78 +0,0 @@ -From caff8b73402d4b5edb2c6c755506c5a90351b69a Mon Sep 17 00:00:00 2001 -Message-Id: <caff8b73402d4b5edb2c6c755506c5a90351b69a.1631166322.git.ps@pks.im> -In-Reply-To: <fe7df03a9a2fa434ebce38b2cd5e6da42f8b2692.1631166322.git.ps@pks.im> -References: <fe7df03a9a2fa434ebce38b2cd5e6da42f8b2692.1631166322.git.ps@pks.im> -From: Patrick Steinhardt <ps@pks.im> -Date: Wed, 1 Sep 2021 15:10:06 +0200 -Subject: [PATCH 14/14] fetch: avoid second connectivity check if we already - have all objects -MIME-Version: 1.0 -Content-Type: text/plain; charset=UTF-8 -Content-Transfer-Encoding: 8bit - -When fetching refs, we are doing two connectivity checks: - - - The first one is done such that we can skip fetching refs in the - case where we already have all objects referenced by the updated - set of refs. - - - The second one verifies that we have all objects after we have - fetched objects. - -We always execute both connectivity checks, but this is wasteful in case -the first connectivity check already notices that we have all objects -locally available. - -Skip the second connectivity check in case we already had all objects -available. This gives us a nice speedup when doing a mirror-fetch in a -repository with about 2.3M refs where the fetching repo already has all -objects: - - Benchmark #1: HEAD~: git-fetch - Time (mean ± σ): 30.025 s ± 0.081 s [User: 27.070 s, System: 4.933 s] - Range (min … max): 29.900 s … 30.111 s 5 runs - - Benchmark #2: HEAD: git-fetch - Time (mean ± σ): 25.574 s ± 0.177 s [User: 22.855 s, System: 4.683 s] - Range (min … max): 25.399 s … 25.765 s 5 runs - - Summary - 'HEAD: git-fetch' ran - 1.17 ± 0.01 times faster than 'HEAD~: git-fetch' - -Signed-off-by: Patrick Steinhardt <ps@pks.im> -Signed-off-by: Junio C Hamano <gitster@pobox.com> ---- - builtin/fetch.c | 7 +++---- - 1 file changed, 3 insertions(+), 4 deletions(-) - -diff --git a/builtin/fetch.c b/builtin/fetch.c -index a1e17edd8b..e2c952ec67 100644 ---- a/builtin/fetch.c -+++ b/builtin/fetch.c -@@ -1293,7 +1293,7 @@ static int check_exist_and_connected(struct ref *ref_map) - - static int fetch_and_consume_refs(struct transport *transport, struct ref *ref_map) - { -- int connectivity_checked; -+ int connectivity_checked = 1; - int ret; - - /* -@@ -1307,11 +1307,10 @@ static int fetch_and_consume_refs(struct transport *transport, struct ref *ref_m - trace2_region_leave("fetch", "fetch_refs", the_repository); - if (ret) - goto out; -+ connectivity_checked = transport->smart_options ? -+ transport->smart_options->connectivity_checked : 0; - } - -- connectivity_checked = transport->smart_options -- ? transport->smart_options->connectivity_checked : 0; -- - trace2_region_enter("fetch", "consume_refs", the_repository); - ret = store_updated_refs(transport->url, - transport->remote->name, --- -2.33.0 - |