Questions tagged [postgresql-cluster]
The postgresql-cluster tag has no usage guidance.
18
questions
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Data migration between postgresql-9 and postgresql-11 [closed]
What is the best way to migrate postgres-9 database with size of hundreds GB to postgres-11 ? I'm afraid that third party tools will take too long to do this.
0
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1
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64
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How to catch the error output in shell when error code is not enough?
I came across the script with if-else branch with a particular command succeed or not like this:
pg_ctl -D /var/lib/pgsql/data -w promote
if [ $? -ne 0 ]; then
echo: failure
exit 1
else
echo: ...
0
votes
1
answer
1k
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Patroni Haproxy and pg-bouncer architecture
I'm building a patroni postgres cluster, however, I can't decide which is better architecture
App > HAproxy > Pgbouncer > PostgreSQL (patroni)
App > PGBouncer > HAproxy > PostgreSQL (...
0
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1
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2k
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HAProxy and postgres
My haproxy configuration is as below, in the backend there is pg_autoctl cluster, another VM (bunty4) hosts the monitor and haproxy is installed on it.
global
maxconn 100
defaults
log global
...
0
votes
1
answer
593
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Which command to restart postgresql 12 service
I am about to restart postgresql 12 service running on Ubuntu 18.
First, I check it's status : sudo service postgresql status. Its says :
postgresql.service - PostgreSQL RDBMS
Loaded: loaded (/lib/...
0
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0
answers
1k
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gvmd service not starting after postgresql replication - openvas
I deployed two openvas servers on two distinct VMs (Debian 10) with postgresql version 11. I replicated the postgres 11 using with hot standby configuration, the data is getting replicated but after ...
0
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0
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1k
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How to switch standby to master on postgresql 13?
For High Availability on DB was build Active-Standby(replica) cluster on Postgresql-13. Inserting data correctly transfer to 'replica' server, it is ok.
Now, I want check case, how i can make change ...
1
vote
1
answer
4k
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Patroni Postgres Cluster, what does 'TL' mean in the output of 'patronictl list'
Executing.
patronictl list
Produces
+ Cluster: psql-core03-uat-kong (6867488892458676291) ------+----+-----------+
| Member | Host | Role | State | TL | Lag in MB |
+-----...
1
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0
answers
508
views
How to setup/make Haproxy send read-write request based on REST method
How to setup/make Haproxy send read-write request coming on same port 5432 from application, to backend servers of postgres-patroni cluster based on REST method.
I have three node postgres-patroni ...
1
vote
1
answer
711
views
pg_upgradecluster fails with "Error: could not get cluster locales"
I'm trying to upgrade postgres cluster from 9.5 to 10
Steps I did:
installed postgresql-10 and postgresql-client-10
removed new default 10 main cluster
used command "pg_upgradecluster 9.5 main" ...
0
votes
1
answer
611
views
pgpool watchdog and too many masters
I am trying to deploy pgpool in native replication mode with watchdog to manage 2 nodes for Active-Standby.
When I start pgpool2 on both servers, they each claim to be the only node alive and become ...
0
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1
answer
2k
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Migrate data from postgresql 8.4 to postgresql 9.4 in 2 different servers
I have a problem with postgresql as below:
I have a server CentOS 5.9 install postgresql 8.4. It is running for my production and Data Size = 300 GB. At the moment, I need migrate all data in ...
1
vote
1
answer
833
views
pg_upgradecluster to specific version? ( more than 2 version )
Theres a way to upgrade a cluster of postgreSQL to specific version?.
An example:
I have a 9.4.17 - 9.6.8 and 10.3
The 10.3 has cluster on
The 9.4.17 has cluster on
I need upgrade the 9.4.17 to 9....
4
votes
0
answers
5k
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Postgresql 9.4 clusters not auto starting on Debian
I have Debian 8.2 x64 and Postgresql 9.4 (from repo). I've recreated default cluster in different location like this:
# service postgresql stop
# pg_dropcluster 9.4 main
# pg_createcluster -d /srv/...
1
vote
1
answer
11k
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PostgreSQL failed to start, pg_log shows nothing, what to do?
I've just setup PostgreSQL (9.3) as a replication to another server. When I started it with service postgresql-9.3 start, it reported [FAILED] without any further explanation. I don't see any thing ...
0
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1
answer
612
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PostgreSQL installation under debian
I'm trying to install PostgreSQL server on a server running debian8.
I installed the package postgresql-9.5 with apt, but it seems like there are missing programs.
I tried to create a cluster but ...
2
votes
0
answers
722
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How to automate failover of master in PostgreSQL 9.5 on Windows?
I have 4 nodes (version - PostgreSQL 9.5 Beta) in a slot replication set up. Recently the master node, due to less disk space available, PostgreSQL started throwing errors and crashed in the end. As I ...
3
votes
1
answer
2k
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Changing tablespace on table with streaming replication
I've been searching for answers for a while know but can't find any reliable source.
We have 2 postgres servers that replicates using streaming replication. I now need to move some tables to a ...