diff --git a/ydb/core/tx/columnshard/tables_manager.cpp b/ydb/core/tx/columnshard/tables_manager.cpp
index 303e2230321b..d3bd5489d43e 100644
--- a/ydb/core/tx/columnshard/tables_manager.cpp
+++ b/ydb/core/tx/columnshard/tables_manager.cpp
@@ -36,6 +36,9 @@ bool TTablesManager::FillMonitoringReport(NTabletFlatExecutor::TTransactionConte
             }
         }
     }
+    json.InsertValue("tables_count", Tables.size());
+    json.InsertValue("presets_count", SchemaPresets.size());
+    json.InsertValue("to_drop_count", PathsToDrop.size());
     return true;
 }