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authorStan Hu <stanhu@gmail.com>2018-10-31 02:41:49 +0300
committerStan Hu <stanhu@gmail.com>2018-10-31 08:29:57 +0300
commitd4ef4ad752bf05758351bd0b8761566e40ab0e8e (patch)
tree8d8e3f67a217ad5b7d2dac4b0adb3f16d43f433e /lib/gitlab/import
parent571e651b21c7a618b8686a4b3f8a8c09c87a37f5 (diff)
Reduce SQL queries needed to load open merge requests
The SQL queries and memory allocation in MergeRequests::RefreshService is dominated by queries for Project and Route loads. On staging, the absence of an inverse relationship caused Rails to make over 1100 extraneous SQL queries for the www-gitlab-com repository. Relates to https://gitlab.com/gitlab-org/gitlab-ce/issues/49703
Diffstat (limited to 'lib/gitlab/import')
-rw-r--r--lib/gitlab/import/merge_request_helpers.rb2
1 files changed, 1 insertions, 1 deletions
diff --git a/lib/gitlab/import/merge_request_helpers.rb b/lib/gitlab/import/merge_request_helpers.rb
index 97dc1a987c4..9215067d973 100644
--- a/lib/gitlab/import/merge_request_helpers.rb
+++ b/lib/gitlab/import/merge_request_helpers.rb
@@ -22,7 +22,7 @@ module Gitlab
# additional work that is strictly necessary.
merge_request_id = insert_and_return_id(attributes, project.merge_requests)
- merge_request = project.merge_requests.find(merge_request_id)
+ merge_request = project.merge_requests.reload.find(merge_request_id)
# We use .insert_and_return_id which effectively disables all callbacks.
# Trigger iid logic here to make sure we track internal id values consistently.