RE: DML sql execution time slow down PGv14 compared with PGv13

2022-12-15 Thread James Pang (chaolpan)
execution time slow down PGv14 compared with PGv13 On Thu, 15 Dec 2022 at 21:12, James Pang (chaolpan) wrote: >We had some load test ( DML inserts/deletes/updates/ on tens of hash > partition tables) and found that PGV14 slow down 10-15% compared with PGV13. > Same test server, sa

RE: DML sql execution time slow down PGv14 compared with PGv13

2022-12-15 Thread James Pang (chaolpan)
Did you check pg_stat_statements ? looks like select some better , but DML decreased. -Original Message- From: David Rowley Sent: Thursday, December 15, 2022 6:42 PM To: James Pang (chaolpan) Cc: pgsql-performance@lists.postgresql.org Subject: Re: DML sql execution time slow down

Re: DML sql execution time slow down PGv14 compared with PGv13

2022-12-15 Thread David Rowley
On Thu, 15 Dec 2022 at 21:12, James Pang (chaolpan) wrote: >We had some load test ( DML inserts/deletes/updates/ on tens of hash > partition tables) and found that PGV14 slow down 10-15% compared with PGV13. > Same test server, same schema tables and data. From pg_stat_statements, sql > e

RE: DML sql execution time slow down PGv14 compared with PGv13

2022-12-15 Thread James Pang (chaolpan)
.postgresql.org> Subject: Re: DML sql execution time slow down PGv14 compared with PGv13 Hello James, Could you please add configurations of your PostgreSQL installations too? I also wonder why you skip vacuuming (-n parameter) before starting of tests. Best regards. Samed YILDIRIM On Thu, 15

RE: DML sql execution time slow down PGv14 compared with PGv13

2022-12-15 Thread James Pang (chaolpan)
, primary keys 640.91 s). Thanks, James From: Samed YILDIRIM Sent: Thursday, December 15, 2022 4:38 PM To: James Pang (chaolpan) Cc: pgsql-performance@lists.postgresql.org Subject: Re: DML sql execution time slow down PGv14 compared with PGv13 Hello James, Could you please add configurations

Re: DML sql execution time slow down PGv14 compared with PGv13

2022-12-15 Thread Samed YILDIRIM
Hello James, Could you please add configurations of your PostgreSQL installations too? I also wonder why you skip vacuuming (-n parameter) before starting of tests. Best regards. Samed YILDIRIM On Thu, 15 Dec 2022 at 10:22, James Pang (chaolpan) wrote: > Hi, > >We had some load test ( DML