pgsql-performance - February 2020

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.

Search the Archives

(enter a message-id to go directly to that message)
Advanced Search

Browse Archives

Prev | Next
Jump to day: 2 3 5 6 7 9 10 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29

Feb. 2, 2020

Thread Author Time
Statistics on array values Marco Colli 14:18
Re: Statistics on array values Justin Pryzby 14:23
Re: Statistics on array values Marco Colli 14:38
Re: Statistics on array values Tom Lane 17:11
Re: Statistics on array values Marco Colli 18:26
Re: Statistics on array values Tom Lane 18:32
Re: Statistics on array values Marco Colli 18:55

Feb. 3, 2020

Thread Author Time
Slow performance with trivial self-joins Benny Kramek 20:38
Re: Slow performance with trivial self-joins Tom Lane 21:10

Feb. 5, 2020

Thread Author Time
Writing 1100 rows per second Arya F 17:03
Re: Writing 1100 rows per second Laurenz Albe 17:12
Re: Writing 1100 rows per second Justin Pryzby 17:15
Re: Writing 1100 rows per second Arya F 17:25
Re: Writing 1100 rows per second Haroldo Kerry 17:46
Re: Slow performance with trivial self-joins Benny Kramek 21:55
Re: Slow performance with trivial self-joins Adam Brusselback 22:12
Re: Slow performance with trivial self-joins David Rowley 23:47

Feb. 6, 2020

Thread Author Time
Re: Writing 1100 rows per second Ogden Brash 18:15

Feb. 7, 2020

Thread Author Time
TOAST table performance problem Asya Nevra Buyuksoy 13:07
Sv: TOAST table performance problem Andreas Joseph Krogh 13:12
Re: TOAST table performance problem 📎 Asya Nevra Buyuksoy 13:23
Re: TOAST table performance problem Asya Nevra Buyuksoy 13:34
Re: TOAST table performance problem Andreas Joseph Krogh 13:41
Re: TOAST table performance problem MichaelDBA 13:52
Re: TOAST table performance problem Asya Nevra Buyuksoy 14:16
Re: TOAST table performance problem Andreas Joseph Krogh 14:19
Re: TOAST table performance problem Andreas Joseph Krogh 14:42
Re: TOAST table performance problem Asya Nevra Buyuksoy 14:59
Re: TOAST table performance problem Andreas Joseph Krogh 15:15
Re: proposal: schema variables 📎 Pavel Stehule 16:09

Feb. 9, 2020

Thread Author Time
Re: Writing 1100 rows per second Jeff Janes 19:30

Feb. 10, 2020

Thread Author Time
Fwd: TOAST table performance problem Asya Nevra Buyuksoy 07:52
Bad selectivity estimate when using a sub query to determine WHERE condition Chris Borckholder 10:34
Re: Fwd: TOAST table performance problem Luís Roberto Weck 12:31
Re: Fwd: TOAST table performance problem Asya Nevra Buyuksoy 12:38
Re: Fwd: TOAST table performance problem Jeff Janes 12:53
Re: Fwd: TOAST table performance problem Asya Nevra Buyuksoy 12:59
Re: Bad selectivity estimate when using a sub query to determine WHERE condition Tom Lane 15:39
Re: proposal: schema variables 📎 Pavel Stehule 18:47
Re: Bad selectivity estimate when using a sub query to determine WHERE condition Justin Pryzby 19:13

Feb. 12, 2020

Thread Author Time
Re: Writing 1100 rows per second Amol Tarte 05:28
Re: Bad selectivity estimate when using a sub query to determine WHERE condition Chris Borckholder 08:09
Re: Bad selectivity estimate when using a sub query to determine WHERE condition Chris Borckholder 08:12

Feb. 13, 2020

Thread Author Time
How to avoid UPDATE performance degradation in a transaction Karl Düüna 10:21
Re: How to avoid UPDATE performance degradation in a transaction David G. Johnston 20:50
Re: How to avoid UPDATE performance degradation in a transaction Tom Lane 21:16

Feb. 14, 2020

Thread Author Time
Re: How to avoid UPDATE performance degradation in a transaction Karl Düüna 07:14
Re: How to avoid UPDATE performance degradation in a transaction Michael Lewis 17:54

Feb. 15, 2020

Thread Author Time
Re: proposal: schema variables 📎 Pavel Stehule 08:05
Partial index creation always scans the entire table MingJu Wu 11:04
Re: Partial index creation always scans the entire table Sergei Kornilov 12:47
Re: Partial index creation always scans the entire table Justin Pryzby 12:53
Re: Partial index creation always scans the entire table Laurenz Albe 21:15

Feb. 16, 2020

Thread Author Time
Re: Partial index creation always scans the entire table Tom Lane 15:30
Re: Partial index creation always scans the entire table Justin Pryzby 15:59
Re: Partial index creation always scans the entire table Tom Lane 16:35
SubtransControlLock and performance problems Lars Aksel Opsahl 17:15

Feb. 17, 2020

Thread Author Time
RE: Partial index creation always scans the entire table Mike Sofen 00:43
Re: Partial index creation always scans the entire table Justin Pryzby 00:52
Re: Partial index creation always scans the entire table Tom Lane 01:09
Re: SubtransControlLock and performance problems Laurenz Albe 09:53
Re: SubtransControlLock and performance problems Lars Aksel Opsahl 15:03
Re: SubtransControlLock and performance problems Laurenz Albe 16:35
Re: SubtransControlLock and performance problems Pavel Stehule 18:01
Re: SubtransControlLock and performance problems Tom Lane 18:23
Re: SubtransControlLock and performance problems Pavel Stehule 18:41
Re: SubtransControlLock and performance problems Alvaro Herrera 19:10

Feb. 18, 2020

Thread Author Time
Re: SubtransControlLock and performance problems Laurenz Albe 17:27
DB running out of memory issues after upgrade Nagaraj Raj 17:46
Re: DB running out of memory issues after upgrade Tomas Vondra 17:58
Re: DB running out of memory issues after upgrade Tom Lane 18:07
Re: DB running out of memory issues after upgrade Nagaraj Raj 18:10
Re: DB running out of memory issues after upgrade Stephen Frost 18:33
Re: DB running out of memory issues after upgrade Merlin Moncure 18:38
Re: DB running out of memory issues after upgrade Justin Pryzby 18:40
Re: DB running out of memory issues after upgrade Merlin Moncure 18:49
Re: DB running out of memory issues after upgrade Nagaraj Raj 19:10
Re: SubtransControlLock and performance problems Pavel Stehule 23:46

Feb. 19, 2020

Thread Author Time
tablespace to benefit from ssd ? Nicolas PARIS 04:42
Re: tablespace to benefit from ssd ? Sebastiaan Mannem 08:02
Re: tablespace to benefit from ssd ? Laurenz Albe 10:48
Re: SubtransControlLock and performance problems Lars Aksel Opsahl 10:49
Re: tablespace to benefit from ssd ? Justin Pryzby 13:08
Re: SubtransControlLock and performance problems Alvaro Herrera 15:23

Feb. 20, 2020

Thread Author Time
Re: How to avoid UPDATE performance degradation in a transaction Andres Freund 04:35
Re: SubtransControlLock and performance problems Lars Aksel Opsahl 09:20
Re: tablespace to benefit from ssd ? Jeff Janes 17:30

Feb. 21, 2020

Thread Author Time
Can we have multiple tablespaces with in a database. Daulat Ram 05:34
Re: Can we have multiple tablespaces with in a database. amul sul 05:46
Re: Can we have multiple tablespaces with in a database. David G. Johnston 05:46
Re: Can we have multiple tablespaces with in a database. Ron 06:00
RE: Can we have multiple tablespaces with in a database. Daulat Ram 06:01
Re: Can we have multiple tablespaces with in a database. amul sul 06:18
RE: Can we have multiple tablespaces with in a database. Daulat Ram 06:23
Re: Can we have multiple tablespaces with in a database. amul sul 06:26
Re: Can we have multiple tablespaces with in a database. Christophe Pettus 06:27
RE: Can we have multiple tablespaces with in a database. Daulat Ram 06:34
RE: Can we have multiple tablespaces with in a database. Daulat Ram 06:36
Re: Can we have multiple tablespaces with in a database. Christophe Pettus 06:36
RE: Can we have multiple tablespaces with in a database. Daulat Ram 07:17
Re: Can we have multiple tablespaces with in a database. amul sul 11:50
RE: Can we have multiple tablespaces with in a database. Patrick FICHE 16:24

Feb. 22, 2020

Thread Author Time
RE: Can we have multiple tablespaces with in a database. Daulat Ram 04:45

Feb. 23, 2020

Thread Author Time
PostgreSQL 11 higher Planning time on Partitioned table Ravi Garg 09:56
Re: PostgreSQL 11 higher Planning time on Partitioned table Justin Pryzby 10:12
Re: DB running out of memory issues after upgrade Peter J. Holzer 10:19
Re: PostgreSQL 11 higher Planning time on Partitioned table Justin Pryzby 10:46
Re: PostgreSQL 11 higher Planning time on Partitioned table 📎 Ravi Garg 10:57
Re: PostgreSQL 11 higher Planning time on Partitioned table Justin Pryzby 15:10
Re: PostgreSQL 11 higher Planning time on Partitioned table Imre Samu 16:18

Feb. 24, 2020

Thread Author Time
Re: DB running out of memory issues after upgrade Merlin Moncure 16:34
Re: PostgreSQL 11 higher Planning time on Partitioned table Ravi Garg 19:40
Re: PostgreSQL 11 higher Planning time on Partitioned table Ravi Garg 19:44
LDAP with TLS is taking more time in Postgresql 11.5 Mani Sankar 19:50
Re: LDAP with TLS is taking more time in Postgresql 11.5 Adrian Klaver 20:58

Feb. 25, 2020

Thread Author Time
Re: LDAP with TLS is taking more time in Postgresql 11.5 Laurenz Albe 09:20
Re: LDAP with TLS is taking more time in Postgresql 11.5 Adrian Klaver 15:54
Connections dropping while using Postgres backend DB with Ejabberd Dipanjan Ganguly 16:28
Re: Connections dropping while using Postgres backend DB with Ejabberd Justin 17:01
Re: Connections dropping while using Postgres backend DB with Ejabberd Michael Lewis 17:20
Re: LDAP with TLS is taking more time in Postgresql 11.5 Mani Sankar 18:08
Re: LDAP with TLS is taking more time in Postgresql 11.5 Adrian Klaver 18:18
Re: LDAP with TLS is taking more time in Postgresql 11.5 Mani Sankar 18:23
Re: LDAP with TLS is taking more time in Postgresql 11.5 Adrian Klaver 18:37
Re: Connections dropping while using Postgres backend DB with Ejabberd Dipanjan Ganguly 19:16
Re: Connections dropping while using Postgres backend DB with Ejabberd Justin 19:35
Re: Connections dropping while using Postgres backend DB with Ejabberd Dipanjan Ganguly 19:53

Feb. 26, 2020

Thread Author Time
Re: LDAP with TLS is taking more time in Postgresql 11.5 Thomas Munro 01:14
Re: proposal: schema variables remi duval 14:53
much slower query in production Guillaume Cottenceau 16:17
Re: much slower query in production Justin Pryzby 16:28
Re: much slower query in production Michael Lewis 16:52
Re: much slower query in production Guillaume Cottenceau 18:02
Re: much slower query in production Guillaume Cottenceau 18:04
Re: much slower query in production Michael Lewis 18:18
Re: much slower query in production [email protected] 19:18
Re: much slower query in production Guillaume Cottenceau 19:37
Re: proposal: schema variables 📎 Pavel Stehule 20:40
Re: much slower query in production Jeff Janes 22:59
Re: much slower query in production Jeff Janes 23:17

Feb. 27, 2020

Thread Author Time
Re: much slower query in production Guillaume Cottenceau 08:31
Re: proposal: schema variables Pavel Stehule 14:37
RE: proposal: schema variables DUVAL REMI 14:59
Re: proposal: schema variables Pavel Stehule 15:09
Many DataFileRead - IO waits Ben Snaidero 16:33
Re: Many DataFileRead - IO waits Michael Lewis 16:54

Feb. 28, 2020

Thread Author Time
Re: Many DataFileRead - IO waits Ben Snaidero 14:01
Re: proposal: schema variables 📎 Pavel Stehule 15:30
Re: Many DataFileRead - IO waits Michael Lewis 16:40
Re: Many DataFileRead - IO waits Ben Snaidero 16:53
Re: Many DataFileRead - IO waits legrand legrand 19:00

Feb. 29, 2020

Thread Author Time
Re: proposal: schema variables 📎 Pavel Stehule 09:09
Re: Many DataFileRead - IO waits Jeff Janes 16:21

Browse Archives

Prev | Next
Jump to day: 2 3 5 6 7 9 10 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29