Re: utf8 vs UTF-8

2024-05-17 Thread Hans Schou
> test3 | troels | UTF8 | libc| en_US.utf8 | en_US.utf8 It is wrong but I guess it's working? how did you create test3? On Fri, May 17, 2024 at 2:44 PM Troels Arvin wrote: > Hello, > > In a Postgres installation, I have databases where the locale is > slightly

Re: Password forgotten

2024-04-23 Thread Hans Schou
Have you tried sudo -u postgres psql On Tue, Apr 23, 2024 at 2:14 PM Arbol One wrote: > Hello. > In my Debian box, after entering this command to psql-16, *psql -h > localhost -U postgres* > > psql-16 asks for the password, which I have forgotten. > So I get this message: > > > > *psql:

Re: Feature request: pg_get_tabledef(text)

2024-03-31 Thread Hans Schou
On Wed, Nov 22, 2023 at 5:09 PM Laurenz Albe wrote: > > One of the problems is what should be included. > Indexes? Policies? Constraints? > A high limit could be all objects except data. All the objects which would be deleted by a 'DROP TABLE'. Maybe including 'CASCADE'? No unsurmountable

Re: Trainning and Certification

2023-12-06 Thread Hans Schou
On Wed, Dec 6, 2023 at 3:39 PM roger popa wrote: > You can tell if exists an oficial Postgresql Certification issued by > postgresql.org ? > No. > Or others (like PearsonVue)? > EnterpriseDB has certifications. I think you can get some of them for free.

Feature request: pg_get_tabledef(text)

2023-11-22 Thread Hans Schou
Hi Similar to pg_get_viewdef() and pg_get_functiondef() it would be useful with a pg_get_tabledef() to get a full description of how a table is defined. Currently the table definition can be extracted with the command: pg_dump -d foo --schema-only --table=bar | egrep '^[^-]' The psql command

Re: backing up the data from a single table?

2019-09-13 Thread Hans Schou
On Fri, Sep 13, 2019 at 4:14 PM stan wrote: > Is there a way to "export" a single table, that can be easily re > "imported"? > Export: pg_dump --table=foo > foo.sql Import: cat foo.sql | psql

Re: Memory settings

2019-06-30 Thread Hans Schou
Try run postgresqltuner.pl as suggested on https://wiki.postgresql.org/wiki/Tuning_Your_PostgreSQL_Server and also look at the other info there. After running a few days with live data run cache_hit_ratio.sql by Melvin Davidson: SELECT pg_stat_database.datname, pg_stat_database.blks_read,

Re: software or hardware RAID?

2019-03-23 Thread Hans Schou
On Sun, Mar 17, 2019 at 11:54 PM Rory Campbell-Lange < r...@campbell-lange.net> wrote: > We aren't sure whether to use software MDRaid or a MegaRAID card. > Never go with hardRaid. I have had a breakdown on a hardware RAID and as it was special and not off-the-shelf, I could not move the disk

Re: Installing PostgreSQL on Oracle Solaris

2019-03-23 Thread Hans Schou
On Sat, Mar 23, 2019 at 3:48 PM Igor Korot wrote: > > You mean even running as "sudo"? > igor@solaris:/usr$ sudo bunzip2 < postgresql-9.6.1-S11.i386-64.tar.bz2 | tar xpf - No, you are not running tar as sudo. I would at least suggest: cd /usr/local/src sudo tar --bzip2 xf

Re: WSL (windows subsystem on linux) users will need to turn fsync off as of 11.2

2019-02-16 Thread Hans Schou
On Fri, Feb 15, 2019 at 1:34 AM Bruce Klein wrote: > > If you are running Postgres inside Microsoft WSL > https://docs.microsoft.com/en-us/windows/wsl/faq Who is WSL for? This is primarily a tool for developers ... --- One problem with WSL is that the I/O performance is not

Re: What is the tuplestore?

2018-12-10 Thread Hans Schou
When one get a "No space left on device" and there is a lot of space it is sometimes caused by lack of inodes. Try run the command: df --inodes On Mon, Dec 10, 2018 at 4:56 PM Ron wrote: > Hi, > > v9.6.6 > > > 2018-12-07 06:21:55.504 EST 10.140.181.89(35868) CDS CDSLBXW 13748 SELECT >

Re: Swap on postgres master server

2018-10-16 Thread Hans Schou
Are you sure that swap is used actively? Maybe it had just been used during backup or something. Look after SwapIn/SwapOut (si/so) it should be '0' $ vmstat 1 procs ---memory-- ---swap-- -io -system-- --cpu- r b swpd free buff cache si sobibo

Re: Shared buffers increased but cache hit ratio is still 85%

2018-07-18 Thread Hans Schou
On Wed, Jul 18, 2018 at 10:44 AM Andreas Kretschmer wrote: > > ||pg_stat_reset() > Thanks, I guess we can see the result in a few days. BTW, strang command: it only reset current database and it can't take db as parameter.

Shared buffers increased but cache hit ratio is still 85%

2018-07-18 Thread Hans Schou
Hi I have this system with some databases and I have run the cache_hit_ratio.sql script on it. It showed that the db acme777booking had a ratio on 85%. I then changed shared_buffer size from 0.5GB to 4GB as the server has 16GB of physical RAM. After 6 days of running I checked the ratio again and

Re: Load data from a csv file without using COPY

2018-06-19 Thread Hans Schou
On Tue, Jun 19, 2018 at 10:17 PM Ravi Krishna wrote: > In order to test a real life scenario (and use it for benchmarking) I want > to load large number of data from csv files. > The requirement is that the load should happen like an application writing > to the database ( that is, no COPY

Grant to a group defined in Windows AD

2018-04-10 Thread Hans Schou
Hi Can I have a advise on how to handle groups? In my Windows AD (Active Directory) I have two groups named: readers writers In Postgresql I have these databases: d1 d2 The "writers" should have NOCREATEDB etc but ALL PRIVILEGES to d1 and d2. The "readers" should have SELECT to all

Re: wiki Disk Usage, table size: ERROR: could not open relation with OID 0

2018-03-15 Thread Hans Schou
On Thu, Mar 15, 2018 at 12:44 AM, Tom Lane wrote: > > The query does fail on < 9.2, because on rows with no reltoastrelid > Thats, fine. I will live with that until upgrade. > But hey, it's a wiki; > if you feel more ambitious, edit away. > I tried but it said: "The site

Re: wiki Disk Usage, table size: ERROR: could not open relation with OID 0

2018-03-15 Thread Hans Schou
On Thu, Mar 15, 2018 at 12:32 AM, Michael Paquier wrote: > > I'm running version 9.1.9 so it should be working according to the > > wiki. > > You should update and upgrade. 9.1 has fallen out of community support > I will recommend that to the database owner. Thanks

wiki Disk Usage, table size: ERROR: could not open relation with OID 0

2018-03-14 Thread Hans Schou
Hi I got the message ERROR: could not open relation with OID 0 when running the "General Table Size Information" from https://wiki.postgresql.org/wiki/Disk_Usage This patch gives some system tables @@ -12,5 +12,6 @@ FROM pg_class c LEFT JOIN pg_namespace n ON n.oid =

Re: Deadlock with one table - PostgreSQL is doing it right

2017-12-22 Thread Hans Schou
2017-12-21 21:50 GMT+01:00 Rakesh Kumar : > whenever SQLERROR EXIT ROLLBACK > Thanks. You are absolutely right. After starting with: WHENEVER SQLERROR EXIT ROLLBACK the process getting the deadlock will exit to command prompt (with %ERRORLEVEL% = 0). So what actually

Re: Deadlock with one table - PostgreSQL is doing it right

2017-12-21 Thread Hans Schou
2017-12-21 12:41 GMT+01:00 Rakesh Kumar : > Could it be that the tool you are using in Oracle is doing commit while > exiting out due to Deadlock, because there is no explicit rollback. > The tool Im using is "sqlplus". By default you are always in a transaction and

Re: Deadlock with one table - PostgreSQL is doing it right

2017-12-21 Thread Hans Schou
2017-12-21 17:46 GMT+01:00 Jeremy Finzel : > It's hard to follow how the 2 videos relate, because you don't run the > same SQL both places. You first update where i = 2 in Postgres and i = 1 > in Oracle. > Well OK. I made a new one for PostgreSQL: https://youtu.be/En8EFv90yCc

Deadlock with one table - PostgreSQL is doing it right

2017-12-21 Thread Hans Schou
Hi FYI - if it has any interest During my preparation for describing what happens when two processes update the same row in a table, I came across that PostgreSQL is doing right and Oracle is doing it wrong. The situation is a process which get a deadlock, but because it is a script, it sends a