Re: pgsql 10.23 , different systems, same table , same plan, different Buffers: shared hit

2023-09-15 Thread Achilleas Mantzios
ree with ICU). Thank you Thomas , our linux's glibc is on version : 2.19-18+deb8u10, we need to upgrade on so many levels. [1]https://unicode.org/reports/tr10/#Synch_ISO14651 -- Achilleas Mantzios IT DEV - HEAD IT DEPT Dynacom Tankers Mgmt

Re: pgsql 10.23 , different systems, same table , same plan, different Buffers: shared hit

2023-09-15 Thread Achilleas Mantzios
Στις 15/9/23 22:42, ο/η Tom Lane έγραψε: Achilleas Mantzios writes: Thank you, I see that both systems use en_US.UTF-8 as lc_collate and lc_ctype, Doesn't necessarily mean they interpret that the same way, though :-( the below seems ok FreeBSD : postgres@[local]/dynacom=# select * from

Re: pgsql 10.23 , different systems, same table , same plan, different Buffers: shared hit

2023-09-15 Thread Achilleas Mantzios
Στις 15/9/23 18:23, ο/η Tom Lane έγραψε: Achilleas Mantzios - cloud writes: *FreeBSD* -> Index Only Scan using mail_vessel_addressbook_address_regex_idx on mail_vessel_addressbook (cost=0.42..2912.06 rows=620 width=32) (actual time=96.704..96.705 rows=1 loops=1) Filter:

pgsql 10.23 , different systems, same table , same plan, different Buffers: shared hit

2023-09-15 Thread Achilleas Mantzios - cloud
Dear All I have a weird problem, I am trying to improve performance on this query : SELECT text('f...@bar.com') from mail_vessel_addressbook where text('f...@bar.com') ~* address_regex limit 1; The first system (linux) is a linux hosted in a cloud, kernel 3.16.0-4-amd64, 32GB mem, SSD, 4 x

Re: Is there any tool which will help me run and explain analyze about 150 queries?

2023-04-07 Thread Achilleas Mantzios
y I have 150 queries in Postgres 11 and I want to upgrade to Postgres 15. I want to run explain analyze for 150 in both versions for comparative analysis. I am looking for the easiest way to do it with a tool :) -- Cheers, Kunwar -- Achilleas Mantzios IT DEV - HEAD IT DEPT Dynacom Tankers Mgmt