1 files changed, 23 insertions, 0 deletions
diff --git a/app/workers/metrics/dashboard/prune_old_annotations_worker.rb b/app/workers/metrics/dashboard/prune_old_annotations_worker.rb
new file mode 100644
index 00000000000..2a9ce3bb8e6
--- /dev/null
+++ b/app/workers/metrics/dashboard/prune_old_annotations_worker.rb
@@ -0,0 +1,23 @@
+# frozen_string_literal: true
+
+module Metrics
+  module Dashboard
+    class PruneOldAnnotationsWorker
+      include ApplicationWorker
+
+      DELETE_LIMIT = 10_000
+      DEFAULT_CUT_OFF_PERIOD = 2.weeks
+
+      feature_category :metrics
+
+      idempotent! # in the scope of 24 hours
+
+      def perform
+        stale_annotations = ::Metrics::Dashboard::Annotation.ending_before(DEFAULT_CUT_OFF_PERIOD.ago.beginning_of_day)
+        stale_annotations.delete_with_limit(DELETE_LIMIT)
+
+        self.class.perform_async if stale_annotations.exists?
+      end
+    end
+  end
+end