Hello,
We custom set variable
Added patroni.nodes_count = 2 in postgresql.conf
postgres=# show patroni.nodes_count;
patroni.nodes_count
-
2
(1 row)
postgres=# select current_setting('patroni.nodes_count');
current_setting
-
2
(1 row)
But can not select i
Hello guys,
Our read only user is okay to be granted read only permission of tables.
How to grant read only functions execute permission to read only user, is
there a simple way to do it please? If not, how to get the list of read
only functions please? Then can grant one by one based on the list
Hello guys,
We are planning the server disk space, pg_wal directory max size is wal
file size*wal_keep_segments? or is it also decided by other parameters
please? We tried to search for this, but could not find the answer
For example our postgresql is 9.6 below parameters value, is the pg_wal
dir
On Wed, 26 Oct 2022 at 18:10, jian he wrote:
>
>
> On Wed, Oct 26, 2022 at 11:07 AM Yi Sun wrote:
>
>> Hi Guys,
>>
>> Who can help me with this please? I researched but still no result yet,
>> thank you
>>
>> On Tue, 25 Oct 2022 at 16:30,
Hi Guys,
Who can help me with this please? I researched but still no result yet,
thank you
On Tue, 25 Oct 2022 at 16:30, Yi Sun wrote:
> Hi,
>
> There are many databases in our production patroni cluster and it seems it
> is overloaded, so we decide to migrate the busiest datab
Hi,
There are many databases in our production patroni cluster and it seems it
is overloaded, so we decide to migrate the busiest database to a new
patroni cluster.
pgwatch2 is implemented, how to know how much CPU, RAM is used by the
database please? Then we can use it to prepare the new patroni
Hello all,
We want to restart postgresql 3 nodes(2 replica nodes) by ansible as below
steps:
1. Restart 2 replica nodes one by one
2. Run checkpoint in the leader node
3. Once checkpoint finished, restart the leader node
How to check if the checkpoint is finished in sql script please? We know
tha
Hi All,
OS: CentOS 7.6
PG: 11.11
Once we tried to vacuum full a table, got the error msg "ERROR: missing
chunk number 0 for toast value", there is a doc as below for the select
issue, but for our case select is no issue,
what's the reason caused and how to fix this please? Thanks
https://newbie
Hi Kyotaro,
Thank you for your explanation, after putting the crl file to client, it
works now, thanks.
Kyotaro Horiguchi 于2021年12月2日周四 下午12:46写道：
> Hi.
>
> At Thu, 2 Dec 2021 11:31:26 +0800, Yi Sun wrote in
> > Hi Kyotaro
> >
> > From the description, seems ~/.po
Hi Kyotaro
>From the description, seems ~/.postgresql/root.crl is store client
revoked certificate
https://www.postgresql.org/docs/11/libpq-ssl.html
~/.postgresql/root.crl certificates revoked by certificate authorities server
certificate must not be on this list
Just don't know why server para
2021 21:53:06 +0800, Yi Sun wrote in
> > # cat /home/sunyi/tls/root.crt /home/sunyi/tls/1/root.crl >
> /tmp/test_1.pem
> > # openssl verify -extended_crl -verbose -CAfile /tmp/test_1.pem
> -crl_check
> > /home/sunyi/tls/1/server.crt
>
> I guess what you
"
Password:
SSL connection (protocol: TLSv1.2, cipher: ECDHE-RSA-AES256-GCM-SHA384,
bits: 256, compression: off)
Is there any more configuration need to do please? Thanks
Thanks and best regards
Sun Yi
Gabriel Cabillon 于2021年11月30日周二 下午10:03写道：
> El 30/11/2021 a las 10:53, Yi Sun escri
Hi All,
OS: CentOS 7.6
PG: 11.11
Our env already configured ssl
--server postgresql.conf
ssl = 'on'
ssl_ca_file = '/var/lib/pgsql/tls/root.crt'
ssl_cert_file = '/var/lib/pgsql/tls/server.crt'
ssl_key_file = '/var/lib/pgsql/tls/server.key'
--client configuration
$ ls -alrt /var/lib/pgsql/.postgre
Hello,
As we need to use the plpython3u extension, we tried to install the
plpython3 package but showed that we needed to install python3-libs,
but python36-libs was already installed for patroni usage.
1. Will installing python3-libs affect current python36-libs usage?
2. If we can do some confi
Hi Tom,
Thank you for your help.
As we use ansible to deploy the upgrade, so mentioned the data centers
situation. The PostgreSQL is single node and the upgrade will be in the
same data center and same Linux server(Centos 7), just will run the ansible
to upgrade PG in all Data centers.
For examp
As we use ansible to deploy the upgrade, so mentioned the data centers
situation. The PostgreSQL is single node and the upgrade will be in the
same data center and same Linux server(Centos 7), just will run the ansible
to upgrade PG in all Data centers.
For example, in our aaa data center
postgre
Hello,
We want to upgrade some PG9.6 DB to PG13, the databases locale are
different in data centers, some are C, some are ru_RU.UTF-8 and so on... as
below
postgres=# select datname,datcollate,datctype from pg_database;
datname| datcollate | datctype
Yi Sun 于2021年6月30日周三 下午2:33写道：
> Hello,
>
> As our env os version is different, some is centos 7.4, some is 7.5 and
> 7.6 ..., and there is only one company repo, as I compare the packages size
> and date, seems same, If we can just use 7.6 packages please?
>
> https://do
Hello,
As our env os version is different, some is centos 7.4, some is 7.5 and 7.6
..., and there is only one company repo, as I compare the packages size and
date, seems same, If we can just use 7.6 packages please?
https://download.postgresql.org/pub/repos/yum/13/redhat/rhel-7.4-x86_64/
https:/
Hi guys,
We face "index contains unexpected zero page" problem in prd postgresql 11
environment
This url shows that need to backup database firstly, is it necessary?
https://cloudblue.freshdesk.com/support/solutions/articles/44001889599-error-index-tablename-contains-unexpected-zero-page
If "cre
unately relatively small number to
> update but once you get to billions this approach would not likely
> work. Note that after each batch you also should call VACUUM before
> starting a new one to avoid significant table bloat.
>
> BR,
>
> Kristjan
>
> On Wed, Feb 24, 2021 at 3:0
Hi Michael,
Thank you, after create index to the temp table column, time cost become
smaller
Michael Lewis 于2021年3月2日周二 上午12:08写道：
> 1) Don't pretend it is a left join when your where clause will turn it
> into an INNER join.
> LEFT JOIN pol gp ON gab.policy_id = gp.id
> WHERE
>
> *
Hi Michael
This is the script and explain plan info, please check, seems Filter
remove more records took more time
DO $MAIN$
DECLARE
affect_count integer := 1000;
processed_row_count integer := 0;
BEGIN
LOOP
exit
WHEN affect_count = 0;
UPDATE
app g
Hi Michael,
Thank you for your reply
We found that each loop take time is different, it will become slower and
slower, as our table is big table and join other table, even using index
the last 1000 records take around 15 seconds, will it be a problem? Will
other concurrent update have to wait for
Hello,
Now need to update several million records in a table in prd DB, if can use
batch update 1000 records and commit each time, if it will affect prd
application like below sample script please?
Sample script:
DO $MAIN$
DECLARE
affect_count integer;
chunk_size CONSTANT integer :=1000;
s
role, dbid, query from pg_stat_statements order by
(shared_blks_hit+shared_blks_dirtied) desc limit 5;
temp blk SQL
select userid::regrole, dbid, query from pg_stat_statements order by
temp_blks_written desc limit 5;
Tom Lane 于2020年11月20日周五 下午2:17写道：
> Yi Sun writes:
> > Besides comm
Hi guys,
Besides command run(like pg_ctl) can cause "received immediate shutdown
request" any other reason can cause this please?
This production DB, support colleague said didn't run it
Yi Sun 于2020年11月18日周三 上午11:54写道：
> Hi all
>
> There are 3 nodes in our prd db in
Hi all
There are 3 nodes in our prd db in patroni cluster, vm01 is leader, vm02
and vm03 are standby, vm01 received immediate shutdown request caused
failover to vm02, after that vm03 received fast shutdown request
As vm03 not in cluster so have to reinit vm03
What's the possible root caused vm
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