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34 views

Pooling at the app layer or in an intermediate layer?

I need to use a connection pool with PostgreSQL. I do not need load balancing or replication, just pooling. What would be the best option? Pooling at the app layer (using a JDBC connection pool) or ...
3
votes
0answers
29 views

Limit connection numbers with pgbouncer

So I have this pgbouncer config: [databases] my_db = host=10.10.10.10 my_db_with_conn_limit = host=10.10.10.10 dbname=my_db pool_size=55 max_client_conn = 300 default_pool_size = 65 ...
0
votes
1answer
232 views

pgbouncer 1.7 with TLS/SSL client and server connections

With settings borrowed from a similar server running Postgres 9.4.1 & pgbouncer 1.6.1, I have multiple users connecting to the database through pgbouncer on port 6543. I also have a second server ...
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0answers
37 views

Pgbouncer server parameter

I installed and configured pgbouncer 1.5.4 on Ubuntu 14.04 LTS and I have a hard time interpreting log messages. Basically, I have seen many errors: 2015-12-10 18:09:16.835 30488 ERROR ...
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0answers
90 views

setting up pg_hba for use with pgbouncer

I recently setup pgbouncer and things seem to be working well. Every tutorial I have read walks you through the setup of configuring pgbouncer.ini, users.txt, etc. What I have not seen is if any ...
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0answers
28 views

PGBouncer pausing hanging from ltm monitor

Currently I have the following setup: F5LTM --> PGBx2 --> DBx3 The PGBouncers are set up with priority groups on the F5 so in the event one fails or hangs traffic will still be sent to the database ...
2
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0answers
224 views

postgresql + pgbouncer, idle server and high cl_waiting

I have such a setup: OpenSUSE 13.1 64-bit Linux kernel 3.11.10 PostgreSQL 9.0 + PgBouncer 1.5.4 (libevent-2.0) 16 core AMD, 128 GB RAM PostgreSQL config: max_connections = 1500 shared_buffers = ...
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0answers
62 views

Log large queries with PGbouncer

Is there a way to ask pgbouncer to log any query that generates a result set larger than, say, 5MB?
0
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1answer
393 views

Working with Materialized View

I have a materialized view which takes around 57 second to be created and I'm using PostgreSQL 9.4. When I do an insert into a table, a trigger will call a trigger function which will do a REFRESH ...
1
vote
1answer
135 views

Connection pooling with 3 databases but 1 database as master for repmgr replication?

I'm using pgbouncer for connection pooling against 3 database on different servers, now I'm planning to use repmgr for replication, my question is, can I keep doing connection pooling on these 3 ...
0
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0answers
37 views

Cascading pgbouncer setup?

I am wondering if anyone has tried a cascading pgbouncer setup, where pgbouncer A connects to pgbouncer B and that in turn connects to postgres. From 1Km away this seems a possible setup, but I am ...
2
votes
1answer
344 views

PGBouncer Pause Waits for Remote Connection to Close

I'm testing the pgbouncer "pause" feature to minimize database downtime when a database restart is required. For this test, I have a remote psql session connected to my database through pgbouncer. ...
2
votes
2answers
1k views

starting pgbouncer on startup

I installed pgbouncer and configured it and it starts only via using this command pgbouncer /etc/pgbouncer/pgbouncer.ini however using service pgbouncer start it dose not start. I then set up ...
1
vote
1answer
279 views

Meaning of query in pgbouncer.log

I could not find any documentation about pgbouncer log, I'm assuming it has the same meaning as the SHOW STATS ? req/s - number of requests since last stat period in b/s - Bytes per sec received ? ...
2
votes
1answer
556 views

PgBouncer Uncertainties

I'm trying PgBouncer for the first time with a simple Python web application (Flask + psycopg2), and I have a hard time interpreting the meaning of its log messages by simple googling. I'm basically ...
4
votes
1answer
3k views

pgBouncer works great but occasionally becomes unavailable

I'm running pgBouncer in front of a busy postgres 9 database. For most of the time it works fine. But every few hours I'll get an error email from my application with an exception from psycopg2: ...
1
vote
1answer
173 views

What configuration to use for PGbouncer over a WAN link

We have two datacenters, one in America and one in Europe. For various reasons, the Europe datacenter has the database server, while the workers and web apps are in America. PGbouncer is in the ...
6
votes
2answers
9k views

PostgreSQL High Availability/Scalability using HAProxy and PGBouncer

I have multiple PostgreSQL servers for a web application. Typically one master and multiple slaves in hot standby mode (asynchronous streaming replication). I use PGBouncer for connection pooling: ...
1
vote
1answer
648 views

Monitoring real-time statistics on PostgreSQL

I need to monitor the DB performance on a distributed system with multiple databases. Some of the database servers use pgbouncer to pool connections and in those servers I can connect to pgbouncer and ...
5
votes
1answer
1k views

Does PgBouncer create a separate pool for every database config entry?

If I set up a pgbouncer.ini config file with several database entries, does pgBouncer create a separate pool for each one? I would think so, but have not been able to confirm this. For example, ...
5
votes
2answers
3k views

Struggling with pgBouncer

I've got Postgres 9.2 and PgBouncer (The version that came with the 'stack builder'). I have a .net application connecting via Npgsql version 2.0.12 on a win7 machine. My application can happily ...