Description:
PostgreSQL connection pool server
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Type: Formula
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Latest Version: 4.6.5@0
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Tracked Since: Nov 25, 2025
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Links:
Homepage |
formulae.brew.sh
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Category: Databases
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Tags:
postgresql
database
connection-pool
load-balancing
high-availability
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Install:
brew install pgpool-ii
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About:
Pgpool-II is a middleware tool that sits between PostgreSQL servers and client applications. It provides connection pooling, load balancing, and automated failover to improve database performance and reliability. Its main value is enhancing scalability and high availability for PostgreSQL clusters.
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Key Features:
- Connection pooling to reduce overhead
- Load balancing across multiple PostgreSQL servers
- Automatic failover and high availability
- Watchdog for monitoring and managing nodes
- Parallel query execution for faster results
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Use Cases:
- Improving performance and scalability of a PostgreSQL database cluster
- Providing high availability and automatic failover for critical databases
- Managing read-heavy workloads by distributing queries across replicas
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Alternatives:
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pgbouncer
– PgBouncer is a lightweight connection pooler, while Pgpool-II offers additional features like load balancing and failover.
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haproxy
– HAProxy is a general-purpose TCP/HTTP load balancer, whereas Pgpool-II is PostgreSQL-specific with deeper protocol understanding.
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Version |
Rev |
Change |
Commit |
| Dec 23, 2025 7:37am |
4.6.5 |
0 |
VERSION_BUMP |
d6125390 |
| Dec 21, 2025 9:05pm |
4.6.4 |
0 |
VERSION_BUMP |
32caa263 |
| Nov 25, 2025 11:24am |
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0 |
VERSION_BUMP |
e5b7eda2 |
| Oct 15, 2025 5:03pm |
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0 |
VERSION_BUMP |
ef185e80 |
| Sep 11, 2024 9:00am |
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0 |
VERSION_BUMP |
18b52c3e |
| Sep 9, 2024 1:27am |
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0 |
VERSION_BUMP |
d53c597b |
| Aug 15, 2024 9:51am |
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0 |
VERSION_BUMP |
9f4e0b5f |
| May 16, 2024 12:46am |
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0 |
VERSION_BUMP |
6455500b |
| Nov 30, 2023 3:29pm |
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0 |
VERSION_BUMP |
76159068 |
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