1 files changed, 5 insertions, 0 deletions
diff --git a/lib/gitlab/database/partitioning/partition_monitoring.rb b/lib/gitlab/database/partitioning/partition_monitoring.rb
index ad122fd47fe..6963ecd2cc1 100644
--- a/lib/gitlab/database/partitioning/partition_monitoring.rb
+++ b/lib/gitlab/database/partitioning/partition_monitoring.rb
@@ -16,6 +16,7 @@ module Gitlab
 
             gauge_present.set({ table: model.table_name }, strategy.current_partitions.size)
             gauge_missing.set({ table: model.table_name }, strategy.missing_partitions.size)
+            gauge_extra.set({ table: model.table_name }, strategy.extra_partitions.size)
           end
         end
 
@@ -28,6 +29,10 @@ module Gitlab
         def gauge_missing
           @gauge_missing ||= Gitlab::Metrics.gauge(:db_partitions_missing, 'Number of database partitions currently expected, but not present')
         end
+
+        def gauge_extra
+          @gauge_extra ||= Gitlab::Metrics.gauge(:db_partitions_extra, 'Number of database partitions currently attached to tables, but outside of their retention window and scheduled to be dropped')
+        end
       end
     end
   end