1 files changed, 26 insertions, 0 deletions
diff --git a/lib/gitlab/usage/metrics/instrumentations/batched_background_migrations_metric.rb b/lib/gitlab/usage/metrics/instrumentations/batched_background_migrations_metric.rb
new file mode 100644
index 00000000000..f5529b96678
--- /dev/null
+++ b/lib/gitlab/usage/metrics/instrumentations/batched_background_migrations_metric.rb
@@ -0,0 +1,26 @@
+# frozen_string_literal: true
+
+module Gitlab
+  module Usage
+    module Metrics
+      module Instrumentations
+        class BatchedBackgroundMigrationsMetric < DatabaseMetric
+          relation { Gitlab::Database::BackgroundMigration::BatchedMigration.with_status(:finished) }
+
+          timestamp_column(:finished_at)
+
+          operation :count
+
+          def value
+            relation.map do |batched_migration|
+              {
+                job_class_name: batched_migration.job_class_name,
+                elapsed_time: batched_migration.finished_at.to_i - batched_migration.started_at.to_i
+              }
+            end
+          end
+        end
+      end
+    end
+  end
+end