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authorStan Hu <stanhu@gmail.com>2016-11-06 13:54:54 -0800
committerStan Hu <stanhu@gmail.com>2016-11-06 14:00:09 -0800
commita8f2fceadd60db759522c5669b99e68029df912e (patch)
tree46812b7e07cd513df851a34f72c7969d3b2c39e4 /db
parentc392b0cc24ba40e3fed920c6c693cb24665193af (diff)
downloadgitlab-ce-a8f2fceadd60db759522c5669b99e68029df912e.tar.gz
Add an index for project_id in project_import_data to improveadd-project-import-data-index
performance We see that many slow queries on GitLab.com are dominated by finding the project import data for a specific project. Adding an index is the most straightforward way of fixing this. Closes #23748
Diffstat (limited to 'db')
-rw-r--r--db/migrate/20161106185620_add_project_import_data_project_index.rb12
-rw-r--r--db/schema.rb4
2 files changed, 15 insertions, 1 deletions
diff --git a/db/migrate/20161106185620_add_project_import_data_project_index.rb b/db/migrate/20161106185620_add_project_import_data_project_index.rb
new file mode 100644
index 00000000000..750a6a8c51e
--- /dev/null
+++ b/db/migrate/20161106185620_add_project_import_data_project_index.rb
@@ -0,0 +1,12 @@
+class AddProjectImportDataProjectIndex < ActiveRecord::Migration
+ include Gitlab::Database::MigrationHelpers
+
+ # Set this constant to true if this migration requires downtime.
+ DOWNTIME = false
+
+ disable_ddl_transaction!
+
+ def change
+ add_concurrent_index :project_import_data, :project_id
+ end
+end
diff --git a/db/schema.rb b/db/schema.rb
index 5476b0c93e5..212b0ed1c58 100644
--- a/db/schema.rb
+++ b/db/schema.rb
@@ -11,7 +11,7 @@
#
# It's strongly recommended that you check this file into your version control system.
-ActiveRecord::Schema.define(version: 20161103171205) do
+ActiveRecord::Schema.define(version: 20161106185620) do
# These are extensions that must be enabled in order to support this database
enable_extension "plpgsql"
@@ -867,6 +867,8 @@ ActiveRecord::Schema.define(version: 20161103171205) do
t.string "encrypted_credentials_salt"
end
+ add_index "project_import_data", ["project_id"], name: "index_project_import_data_on_project_id", using: :btree
+
create_table "projects", force: :cascade do |t|
t.string "name"
t.string "path"