pgsql-performance - September 2023

Discussion of PostgreSQL's performance issues. Please see Guide to reporting problems and Slow Query Questions for some tips on how to write your performance question.

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Sept. 1, 2023

Thread Author Time
Re: Index bloat and REINDEX/VACUUM optimization for partial index jayaprabhakar k 01:05
Re: Index bloat and REINDEX/VACUUM optimization for partial index Jeff Janes 03:01
Re: Index bloat and REINDEX/VACUUM optimization for partial index Jeff Janes 03:18
Re: Queries containing ORDER BY and LIMIT started to work slowly 📎 Rondat Flyag 13:41
Re: Queries containing ORDER BY and LIMIT started to work slowly 📎 Rondat Flyag 13:45
Re: Index bloat and REINDEX/VACUUM optimization for partial index Maxim Boguk 18:01

Sept. 6, 2023

Thread Author Time
query pg_stat_ssl hang 100%cpu James Pang (chaolpan) 01:34
query pg_stat_ssl hang 100%cpu James Pang (chaolpan) 01:40
Re: Index bloat and REINDEX/VACUUM optimization for partial index jayaprabhakar k 06:50

Sept. 7, 2023

Thread Author Time
FW: query pg_stat_ssl hang 100%cpu James Pang (chaolpan) 01:35
Re: FW: query pg_stat_ssl hang 100%cpu Michael Paquier 04:04
RE: FW: query pg_stat_ssl hang 100%cpu James Pang (chaolpan) 08:46
RE: FW: query pg_stat_ssl hang 100%cpu James Pang (chaolpan) 08:54
Re: FW: query pg_stat_ssl hang 100%cpu Thomas Munro 09:31
RE: FW: query pg_stat_ssl hang 100%cpu James Pang (chaolpan) 09:38
RE: FW: query pg_stat_ssl hang 100%cpu James Pang (chaolpan) 09:54
Re: FW: query pg_stat_ssl hang 100%cpu Thomas Munro 10:01
RE: FW: query pg_stat_ssl hang 100%cpu James Pang (chaolpan) 10:31
Re: FW: query pg_stat_ssl hang 100%cpu Thomas Munro 10:36
RE: FW: query pg_stat_ssl hang 100%cpu James Pang (chaolpan) 10:39
Re: FW: query pg_stat_ssl hang 100%cpu Thomas Munro 10:59
Re: FW: query pg_stat_ssl hang 100%cpu 📎 Thomas Munro 23:45

Sept. 8, 2023

Thread Author Time
Re: FW: query pg_stat_ssl hang 100%cpu Michael Paquier 02:48
Planning time is time-consuming Mikhail Balayan 10:51

Sept. 10, 2023

Thread Author Time
Re: FW: query pg_stat_ssl hang 100%cpu Thomas Munro 22:37
Re: FW: query pg_stat_ssl hang 100%cpu Michael Paquier 22:47

Sept. 11, 2023

Thread Author Time
Re: Planning time is time-consuming Laurenz Albe 01:15
Re: Planning time is time-consuming Anupam b 01:23
Re: Planning time is time-consuming Andreas Kretschmer 04:45
Fwd: Planning time is time-consuming Mikhail Balayan 04:55
Fwd: Planning time is time-consuming Mikhail Balayan 04:57
Re: Fwd: Planning time is time-consuming Laurenz Albe 08:13
Re: Planning time is time-consuming David Rowley 08:24
Re: Planning time is time-consuming David Rowley 10:17
Re: Range partitioning query performance with date_trunc (vs timescaledb) Philippe Pepiot 12:21
Re: Planning time is time-consuming Frits Hoogland 13:54
Re: Planning time is time-consuming Tom Lane 14:27
Re: Planning time is time-consuming Imre Samu 15:17

Sept. 12, 2023

Thread Author Time
Re: Planning time is time-consuming David Rowley 03:06

Sept. 13, 2023

Thread Author Time
Re: FW: query pg_stat_ssl hang 100%cpu Thomas Munro 03:11
Multixact wraparound monitoring bruno da silva 12:21

Sept. 14, 2023

Thread Author Time
Re: Multixact wraparound monitoring Wyatt Alt 05:14
Re: Multixact wraparound monitoring Alvaro Herrera 11:23
Re: Multixact wraparound monitoring bruno da silva 19:35

Sept. 15, 2023

Thread Author Time
Re: Multixact wraparound monitoring Alvaro Herrera 09:48
pgsql 10.23 , different systems, same table , same plan, different Buffers: shared hit Achilleas Mantzios - cloud 14:30
Re: pgsql 10.23 , different systems, same table , same plan, different Buffers: shared hit Tom Lane 15:23
Re: pgsql 10.23 , different systems, same table , same plan, different Buffers: shared hit Achilleas Mantzios 19:31
Re: pgsql 10.23 , different systems, same table , same plan, different Buffers: shared hit Tom Lane 19:42
Re: pgsql 10.23 , different systems, same table , same plan, different Buffers: shared hit Achilleas Mantzios 20:36
Re: pgsql 10.23 , different systems, same table , same plan, different Buffers: shared hit Thomas Munro 23:08

Sept. 16, 2023

Thread Author Time
Re: pgsql 10.23 , different systems, same table , same plan, different Buffers: shared hit Achilleas Mantzios 03:27

Sept. 21, 2023

Thread Author Time
Dirty reads on index scan, Koen De Groote 15:05
Re: Dirty reads on index scan, Laurenz Albe 19:30

Sept. 22, 2023

Thread Author Time
Re: Dirty reads on index scan, Koen De Groote 08:35
Re: Dirty reads on index scan, Laurenz Albe 09:14
Re: Dirty reads on index scan, Frits Hoogland 13:22
Re: Dirty reads on index scan, Koen De Groote 13:54

Sept. 24, 2023

Thread Author Time
Re: Dirty reads on index scan, Jeff Janes 20:17

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