Pgpool-II is a middleware between PostgreSQL servers and clients for connection pooling, replication and load balancing
Questions tagged [pgpool]
225 questions
0
votes
3 answers
Primary and standby server at different timelines in postgres
I am very new to postgres and being new I got stuck at a point and need some help, please pardon if you find it silly.
I am doing a pgpool HA and at postgres level i have streaming replication between 3 nodes of postgresql-9.5 - 1 master and 2…

subhojit_paul
- 31
- 1
- 5
0
votes
1 answer
pgpool-II - Load balancing PostgreSQL instances
I'm using pgpool2 version 3.5.1 where there are 4 PostgreSQL 9.1 instances which has 16GB and 8 cores running on Ubuntu.
This is the pgpool.conf file.
As you can see in the conf file there are 4 instances which are
backend_hostname0 = '192.168.7.35'…

Techie
- 44,706
- 42
- 157
- 243
0
votes
1 answer
Add a new Postgresql node to pgpool
I am planning to use a pgpool instance with 2 Postgresql databases only to run parallel query without replication.
Can I add a new node to pgpool without blocking the whole system?
Thanks a lot

Priscy
- 2,303
- 2
- 10
- 6
0
votes
1 answer
pgpool Setup on Database Server
I have three servers. One is running pgpool, another two in master-slave mode streaming replication. When installing pgpool, I was suggested to install the pgpool_regclass on my database servers as well. There's no problem installing it in the…

J Freebird
- 3,664
- 7
- 46
- 81
0
votes
2 answers
Connecting two servers with PgPool
I'm trying to configure pgpool to use load balance between two servers (Both running Debian 8.2 and Postgresql 9.4).
I already have Streaming Replication working between the two (Master in 153 and Slave in 155). Now I installed PgPool and configured…

Mauricio Cacho
- 101
- 3
0
votes
1 answer
Can we install PGPool on Master/StandBY Postgres DB Server
As per the standard practice, we install the PGPool in separate instances. This increases a separate hardware for PGPool. Although, they are in HA mode it consumes minimum 2 servers.
So instead of doing this, can we install it on Master/Standby…
0
votes
0 answers
PG-POOL settings issue
I have pgpool installed on my server but I am facing issue while optimising it. I have 2 different queries running on the same table-
1st is update query which runs every 1 min and query exec time is around 30 secs. So technically it is running…

Ritesh Kumar
- 75
- 1
- 10
0
votes
1 answer
Pg_pool and Slony together for Postgresql Cluster setup
we have 4 postgresql servers. Is it good idea to setup slony replication in 3 nodes(1 master and 2 nodes) and pgpool for load balancing with master node???
Thanks in advance.

chanti king
- 83
- 1
- 7
0
votes
2 answers
Cannot connect to PGpool in virtual machine
I'm tring to setup a simple master/slave replication between two PostgreSQL instances, each running in a virtual machine in two different hosts.
Both virtual machines have a NAT configuration, with the following port forwarding rules:
PROTO HOST …

Homero C. de Almeida
- 199
- 1
- 8
0
votes
1 answer
PgPool Replication - Directly insert into Master, will it replicate to the Slave
I am looking at PostgreSQL 9.4 Streaming Replication with PgPool for Load Balancing vs. using PgPool replication. Since PgPool replication is statement / middleware based does it mean that if I directly update the Master outside of PgPool it will…

DS1
- 3
- 2
0
votes
1 answer
Can pgpool manage sessions since the server application keep connections after they're no longer active?
I have an server applications with datasnap and delphi 2010 (this version have some problems managing sessions), and I have to terminate the idle sessions in postgres once a day.
I've installed pgpool but it doesn't make any difference, so, did I…

Lucas Steffen
- 1,244
- 2
- 10
- 22
0
votes
2 answers
Pgpool-II. Two Database on same pgpool server
my question is about the number of Postgres Databse pgpool can manage. I have two servers:
Node 1:
pgpool
postgreSQL
Node 2:
postgreSQL
I have two database: DB1 and DB2.
I can connect from app server to DB1 throught pgpool on port…

juaruelo
- 1
0
votes
1 answer
PgPool like failover for MySQL - Currently using HAProxy
I'm running MySQL servers load balanced via HAProxy. But I need to perform some action whenever a node (MySQL) goes down or comes up, like we do in PgPool-II.
Example:
When ever MySQL-1 goes down, I also want to shutdown my WebServer-1. (STONITH…

Shan
- 2,141
- 2
- 17
- 32
0
votes
1 answer
PGpool Promote to master and Slaves wont replicate on failure
(version pgpool-II-pg93-3.4.0-3pgdg.rhel6.x86_64.rpm)
I’ve seen some chat online about this from a while back, but I haven’t found a solve.
I have 2 pgpool servers running streaming replication and load balancing. They connect to 3 postgres servers.…

Rob
- 409
- 4
- 20
0
votes
1 answer
relation "branches" does not exist pgbench-tools and postgresql database scale returned ""
I've installed postgresql 9.1 on ubuntu 12.04 with pgpoolII-3.3.3 and pgPoolAdmin.
I'm trying to make a test with pgbench-tools to measure the performance of postgresql.
So I move to the directory where is pgbench-tools and configure the config…

Cesar
- 131
- 2
- 7