-----Original Message----- From: ghiureai [mailto:isabella.ghiurea@xxxxxxxxxxxxxx] Sent: Tuesday, January 09, 2018 5:54 PM To: pgsql-performance@xxxxxxxxxxxxxx Subject: PG 9.5 2 tables same DDL with diff size HI List I am trying to understand the following : have 2 identical PG cluster on diff hosts, same postgresql.conf, same db schema : same tale DDL and row counts but different size ( 14GB diff ), I run reindex and full vacuum analyze, but I can not decrease the size of larger table(50GB) to match the size in second PG cluster. any tips what can make this 2 tables to have diff size except the host ( same OS and PG version 9.5.3)? Thank you ________________________________________________________________________________________________ Table is still bloated because of some long running transactions, which don't allow full vacuum to do its job? Regards, Igor Neyman