Adds pieces to help debug postgres db growing

operators/postgres.md

@@ -50,3 +50,39 @@ By default spilo postgres is configured with:
 
 If logs are eating space, you can change it to off in the crd.
 
+### List postgres table orederd by size
+
+```
+SELECT 
+  table_name, 
+  pg_size_pretty( pg_total_relation_size(quote_ident(table_name))), 
+  pg_total_relation_size(quote_ident(table_name))
+FROM 
+  information_schema.tables
+WHERE 
+  table_schema = 'public'
+ORDER BY 
+  pg_total_relation_size(quote_ident(table_name)) DESC
+;
+```
+
+### Show index size of table
+
+```
+SELECT                     
+    pg_size_pretty (pg_indexes_size('table_name'));
+```
+
+### Show indexes of table
+
+```
+select *                   
+from pg_indexes                                      
+where tablename = 'table_name';
+```
+
+### ReIndex all the indexes
+
+```
+REINDEX INDEX indexname
+```