1 files changed, 23 insertions, 0 deletions
diff --git a/db/migrate/20210317100520_create_elastic_index_settings.rb b/db/migrate/20210317100520_create_elastic_index_settings.rb
new file mode 100644
index 00000000000..61c1cbb3518
--- /dev/null
+++ b/db/migrate/20210317100520_create_elastic_index_settings.rb
@@ -0,0 +1,23 @@
+# frozen_string_literal: true
+
+class CreateElasticIndexSettings < ActiveRecord::Migration[6.0]
+  include Gitlab::Database::MigrationHelpers
+
+  DOWNTIME = false
+
+  def up
+    create_table_with_constraints :elastic_index_settings do |t|
+      t.timestamps_with_timezone null: false
+      t.integer :number_of_replicas, null: false, default: 1, limit: 2
+      t.integer :number_of_shards, null: false, default: 5, limit: 2
+      t.text :alias_name, null: false
+
+      t.text_limit :alias_name, 255
+      t.index :alias_name, unique: true
+    end
+  end
+
+  def down
+    drop_table :elastic_index_settings
+  end
+end