On Thu, 2020-06-04 at 23:52 +0800, Vasu Madhineni wrote:
> We are planning a POC on multitenant architecture in Postgres, Could you
> please
> help us with steps for multitenant using schema for each application model.
For few tenants, you can keep identical tables in several schemas and
set "sea
Hi Vasu,
> On 04. Jun, 2020, at 17:52, Vasu Madhineni wrote:
> We are planning a POC on multitenant architecture in Postgres, Could you
> please help us with steps for multitenant using schema for each application
> model.
look up the docs for "create database" and "create schema":
https://ww
Hi Susan,
you need to install the openssl rpm if you don't have that already. But it
should be a standard package in all Linux distributions, so it should be in
your repository.
Exmaple from my host:
$ rpm -qa openssl
openssl-1.1.0i-lp151.1.1.noarch
Cheers,
Paul
> On 04. Jun, 2020, at 18:50,
Hi,
Don't know if this already came up earlier but I have an idea for
improvement.
If I have a query like:
SELECT * FROM (
SELECT
CASE
WHEN field='value1' THEN 1
WHEN field='value2' THEN 2
END AS category
FROM table1
) AS foo
WHERE category=1
doesn't use the index on field, whil
Hi All,
We are planning a POC on multitenant architecture in Postgres, Could you
please help us with steps for multitenant using schema for each application
model.
Thank you so much all.
Regards,
Vasu
Joe Abbate writes:
> However, when using the same query using the Rust adapter the transition
> to a new row started showing up after midgnight GMT. I opened an issue
> on Github (https://github.com/sfackler/rust-postgres/issues/608 ) and
> the maintainer claimed the Rust adapter *had* to init
I'm dealing with an issue where a query uses 'today'::date to select one
of a number of rows depending on the day modulo the number of rows. The
intent is that different information will be shown starting after
midnight local time. The query runs as expected in psql and using psycopg2.
Howeve
On 6/4/20 12:52 PM, Tanja Savic wrote:
Hello,
I did Postgresql upgrade from v10 to v12 using pg_upgrade (on Linux
Ubuntu server).
Of course i wanted settings inpg_hba.conf and postgresql.conf to keep,
but after the upgrade there were new configuration files and I moved it
manually.
That is
On 2020-06-04 19:52:19 +, Tanja Savic wrote:
> I did Postgresql upgrade from v10 to v12 using pg_upgrade (on Linux Ubuntu
> server).
Did you use the packages from the PGDG server or from Ubuntu?
> Of course i wanted settings in pg_hba.conf and postgresql.conf to keep, but
> after the upgrade
Samuel Smith schrieb am 04.06.2020 um 21:59:
Sorry, I should have clarified that I was aware of the
pg_stat_activity table. That is how we found the problem in the first
place. And yes I could just write a bash script and run it in cron. I
just didn't know if there was a more "official" way to go
## Samuel Smith (pg...@net153.net):
> Sorry, I should have clarified that I was aware of the pg_stat_activity
> table. That is how we found the problem in the first place. And yes I
> could just write a bash script and run it in cron. I just didn't know if
> there was a more "official" way to g
On 6/4/20 12:59 PM, Samuel Smith wrote:
On 6/4/20 2:29 PM, Adrian Klaver wrote:
Sorry, I should have clarified that I was aware of the pg_stat_activity
table. That is how we found the problem in the first place. And yes I
could just write a bash script and run it in cron. I just didn't k
On Fri, Jun 5, 2020 at 1:00 AM Sonam Sharma wrote:
> The dynamic_shared_memory_type was set to POSIX . Because of this it was
> using tmpfs /dev/shm. When the query was running I saw the file system was
> filling. So I extended the file system and luckily the query worked for that
> time
Oh,
On 6/4/20 2:29 PM, Adrian Klaver wrote:
On 6/4/20 10:00 AM, Samuel Smith wrote:
We had a customer complaining of random data loss for the last 6
months or so. We eventually tracked it down to a combination of bad
coding and a couple of bugs with the ORM. Basically, 'BEGIN' was being
emitted by
Hello,
I did Postgresql upgrade from v10 to v12 using pg_upgrade (on Linux Ubuntu
server).
Of course i wanted settings in pg_hba.conf and postgresql.conf to keep, but
after the upgrade there were new configuration files and I moved it manually.
Is it possible somehow to migrate these old
config
On 6/4/20 10:00 AM, Samuel Smith wrote:
We had a customer complaining of random data loss for the last 6 months
or so. We eventually tracked it down to a combination of bad coding and
a couple of bugs with the ORM. Basically, 'BEGIN' was being emitted by
the web app when viewing a certain page
OK thanks, I figured I had something messed up in my thought process. I will
work through these steps and let you know how it goes.
Susan
-Original Message-
From: Mohammed Bhatti
To: Susan Joseph
Cc: ahodg...@lists.simkin.ca ;
pgsql-general@lists.postgresql.org
Sent: Thu, Jun 4,
On Thu, Jun 4, 2020 at 1:50 PM Susan Joseph wrote:
> OK, when I went to PostgreSQL to get the rpm file to install I was given:
>
> yum install
> https://download.postgresql.org/pub/repos/yum/reporpms/EL-7-x86_64/pgdg-redhat-repo-latest.noarch.rpm
>
> I put the file pgdg-redhat-repo-latest.noarc
Susan Joseph writes:
> OK, when I went to PostgreSQL to get the rpm file to install I was given:
> yum install
> https://download.postgresql.org/pub/repos/yum/reporpms/EL-7-x86_64/pgdg-redhat-repo-latest.noarch.rpm
> I put the file pgdg-redhat-repo-latest.noarch.rpm in my /tmp directory and
>
OK, when I went to PostgreSQL to get the rpm file to install I was given:
yum install
https://download.postgresql.org/pub/repos/yum/reporpms/EL-7-x86_64/pgdg-redhat-repo-latest.noarch.rpm
I put the file pgdg-redhat-repo-latest.noarch.rpm in my /tmp directory and ran
rpm -i on the file.
If I
Susan Joseph writes:
> So when I run rpm -i it says that the package is installed, but I can't find
> a postgresql directory with all the files and executables. So what am I
> missing?
Looking in the right place, perhaps ;-). If the package is installed
then "rpm -ql" will list all the files
On Thu, 2020-06-04 at 17:32 +, Susan Joseph wrote:
> So when I run rpm -i it says that the package is installed, but I
> can't find a postgresql directory with all the files and executables.
> So what am I missing?
>
>
>
>
>
>
The server stuff is in postgresql11-serverif you're using t
So when I run rpm -i it says that the package is installed, but I can't find a
postgresql directory with all the files and executables. So what am I missing?
-Original Message-
From: Tom Lane
To: Susan Joseph
Cc: mag...@hagander.net ;
pgsql-general@lists.postgresql.org
Sent: T
Susan Joseph writes:
> So the other issue I have is that I am running this on a server that is not
> connected to the Internet. So I have downloaded the RPM file but I can't
> figure out how to install it without it trying to access files on the
> Internet. Are there other libraries I need to
Adrian Klaver writes:
> On 6/4/20 9:43 AM, Tom Lane wrote:
>> It's possible that the index had bloated to the point where the planner
>> thought it was cheaper to use a seqscan. Did you make a note of the
>> cost estimates for the different plans?
> I missed the part where the OP pointed to a SO
We had a customer complaining of random data loss for the last 6 months
or so. We eventually tracked it down to a combination of bad coding and
a couple of bugs with the ORM. Basically, 'BEGIN' was being emitted by
the web app when viewing a certain page and 'COMMIT' was never emitted
after tha
So the other issue I have is that I am running this on a server that is not
connected to the Internet. So I have downloaded the RPM file but I can't
figure out how to install it without it trying to access files on the Internet.
Are there other libraries I need to include in my download for th
On 6/4/20 9:43 AM, Tom Lane wrote:
Koen De Groote writes:
I've got a table with about 30 million rows and a particular index that up
until recently was actively being used.
And then it stopped being used and the query that the index was made for,
is now doing sequential scans.
Deleting the inde
Koen De Groote writes:
> I've got a table with about 30 million rows and a particular index that up
> until recently was actively being used.
> And then it stopped being used and the query that the index was made for,
> is now doing sequential scans.
> Deleting the index and creating it again, see
On 6/4/20 8:37 AM, Koen De Groote wrote:
Greetings,
The following is using version 11.2 of PostgreSQL.
I've got a table with about 30 million rows and a particular index that
up until recently was actively being used.
And then it stopped being used and the query that the index was made
for,
Greetings,
The following is using version 11.2 of PostgreSQL.
I've got a table with about 30 million rows and a particular index that up
until recently was actively being used.
And then it stopped being used and the query that the index was made for,
is now doing sequential scans.
Deleting the
On Thu, Jun 4, 2020 at 5:01 PM Susan Joseph wrote:
> Can someone tell me if there is a yum version of PostgreSQL 11 that can be
> installed on Linux that has SSL enabled? Currently the only way I have
> gotten SSL turned on in PostgreSQL is by doing the following commands:
>
>
>- *tar xzvf /
On Wednesday, June 3, 2020, Laurenz Albe wrote:
> On Thu, 2020-06-04 at 16:41 +1200, Thomas Munro wrote:
> > There's no doubt it's useful, and it's also part of the SQL spec,
> > which says you can do catalog.schema.table. I would guess that we
> > might get that as a byproduct of any project to
Can someone tell me if there is a yum version of PostgreSQL 11 that can be
installed on Linux that has SSL enabled? Currently the only way I have gotten
SSL turned on in PostgreSQL is by doing the following commands:
- tar xzvf /tmp/postgresql-11.2.tar.gz -C /data
- mv /data/postgresq
Hi again Tom,
I re-read your point 2. “You don't want to grant USAGE on the foreign
server to the localuser, either.” to find out this was exactly the solution
I was looking for. That is: it's fine to not let the basic user create the
foreign tables.
Wow, it was as easy as moving the foreign tabl
On Wed, Jun 3, 2020 at 7:55 AM Oleksandr Shulgin <
oleksandr.shul...@zalando.de> wrote:
With hash partitioning you are not expected, in general, to end up with a
> small number of partitions being accessed more heavily than the rest. So
> your indexes will also not fit into memory.
>
> I have the
On Thu, Jun 4, 2020 at 12:56 AM Laurenz Albe
wrote:
> On Thu, 2020-06-04 at 16:41 +1200, Thomas Munro wrote:
> > There's no doubt it's useful, and it's also part of the SQL spec,
> > which says you can do catalog.schema.table. I would guess that we
> > might get that as a byproduct of any projec
The dynamic_shared_memory_type was set to POSIX . Because of this it was
using tmpfs /dev/shm. When the query was running I saw the file system was
filling. So I extended the file system and luckily the query worked for
that time
On Thu, Jun 4, 2020, 5:12 PM Thomas Munro wrote:
> >> Do you see
>> Do you see any other errors around this one, in the PostgreSQL logs?
> No , only this is the error from db and jdbc end .. and queries are failing
If you need a workaround right now you could always set
max_parallel_workers_per_gather=0 so that it doesn't try to use
parallel query. That could
Thank you for the detailed reply. I understand my question is generic. But
just thought if I can get some good place to start. I will look into the
suggestions you made.
On Thu, Jun 4, 2020 at 4:02 PM Fabio Pardi wrote:
> Hi,
>
> in my opinion your question is too generic to get an accurate answ
Hi,
in my opinion your question is too generic to get an accurate answer. To
educate yourself reading Postgres docs or some good books would be in my
opinion the best way to give an answer yourself to your own question. Then you
can still post to the ML on some specific setting (postgres perfor
Hello All,
I'm looking for hardware configurations to set up 1 master and 2
hot-standby slaves using 9.6 in one DC. Also, I need to have DR with the
same setup with cross-site replication enabled. I went through a lot of
docs/blogs suggesting 4cores and at least 4/8GB RAM. But I'm looking for
help
Thanks Jeremy,
Plan is on the cards to upgrade to 10 this or next week, and then later on
towards v12.
hot_standby_feedback is enabled, yes.
So the process list only shows high cpu usage for the postgres process
itself, and all other ones are < 1.5%.
it's a bit baffling as I don't have anything he
On Thu, Jun 4, 2020 at 6:18 AM Sonam Sharma wrote:
>>> 1) Postgres version : 11.2
FYI This is missing over a year's worth of bugfixes. That said, I
don't know of anything fixed that has this symptom.
>>> 4) Is this only with one query and if so what is it doing? : No , few
>>> queries work, fe
Hi,
If the dynamic shared memory segment type is POSIX then *dynamic shared
memory control segment in your case it is **PostgreSQL.1511679208* is
stored in */dev/shm*
The file you mentioned will be created at the time of PostgreSQL startup
and cleared automatically on successful shutdown.
Compl
Can someone please help on this
On Wed, Jun 3, 2020, 11:27 PM Sonam Sharma wrote:
> I have set the dynamic_shared_memory_type to none which was set as POSIX.
> For now we are not seeing the error... Can someone please explain what is
> the impact of setting it as none .
>
> On Wed, Jun 3, 2020,
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