# Install pgpool-ii with Homebrew, MacPorts, apk, Nix

PostgreSQL connection pool server. Version 4.7.2 via Homebrew; verified 2026-06-25. Also installable with macports: sudo port install pgpool-II.

## Install

```sh
sudo av install brew:pgpool-ii
```

Additional install commands:

### macOS

- Homebrew (100%):

```sh
brew install pgpool-ii
```

  Evidence: local Homebrew formula metadata

- MacPorts (94%):

```sh
sudo port install pgpool-II
```

  Evidence: MacPorts ports tree: databases/pgpool-II/Portfile from https://api.github.com/repos/macports/macports-ports/git/trees/master?recursive=1

### Linux

- apk (92%):

```sh
sudo apk add pgpool
```

  Evidence: Alpine Linux edge package indexes: pgpool from https://dl-cdn.alpinelinux.org/alpine/edge/main/x86_64/APKINDEX.tar.gz

- Nix (92%):

```sh
nix profile install nixpkgs#pgpool
```

  Evidence: nixpkgs package indexes: pkgs/by-name/pg/pgpool/package.nix from https://api.github.com/repos/NixOS/nixpkgs/git/trees/master?recursive=1

## Package facts

- **Package key:** brew:pgpool-ii
- **Package manager:** Homebrew
- **Version:** 4.7.2
- **Source summary:** PostgreSQL connection pool server
- **Homepage:** <https://www.pgpool.net/mediawiki/index.php/Main_Page>
- **Last updated:** 2026-06-25T13:38:00+02:00
- **Generated:** 2026-08-03T19:37:03+00:00

## Executables

- pcp_attach_node (alias)
- pcp_detach_node (alias)
- pcp_health_check_stats (alias)
- pcp_invalidate_query_cache (alias)
- pcp_log_rotate (alias)
- pcp_node_count (alias)
- pcp_node_info (alias)
- pcp_pool_status (alias)
- pcp_proc_count (alias)
- pcp_proc_info (alias)
- pcp_promote_node (alias)
- pcp_recovery_node (alias)
- pcp_reload_config (alias)
- pcp_stop_pgpool (alias)
- pcp_watchdog_info (alias)
- pg_enc (alias)
- pg_md5 (alias)
- pgpool (alias)
- pgpool_setup (alias)
- pgproto (alias)
- watchdog_setup (alias)
- wd_cli (alias)

## Install behavior

- Bottle: not available

## Freshness

- Page generated: 2026-08-03
- Package-manager version: 4.7.2

## Security Notes

No matching local secret-handling manifest was found for pgpool-ii. Nucleus package metadata is still published here so future coverage has a stable package URL.



## Configuration and credential file locations

These source-backed paths show where this package keeps local settings or durable credentials. Automic Vault can use them as review targets for secret scanning, migration, and command approval.


## Configuration files

- Unix: $prefix/etc/pgpool.conf, $prefix/etc/pool_hba.conf

## Credential files

- Unix: $prefix/etc/pcp.conf, pool_passwd
## Other Package-Manager Records

- MacPorts - pgpool-II: normalized package name match | MacPorts ports tree: databases/pgpool-II/Portfile from https://api.github.com/repos/macports/macports-ports/git/trees/master?recursive=1
- MacPorts - pgpool: installed executable or alias match | MacPorts ports tree: databases/pgpool/Portfile from https://api.github.com/repos/macports/macports-ports/git/trees/master?recursive=1
- Nix - pgpool: installed executable or alias match | nixpkgs package indexes: pkgs/by-name/pg/pgpool/package.nix from https://api.github.com/repos/NixOS/nixpkgs/git/trees/master?recursive=1
- apk - pgpool - 4.6.7-r0: installed executable or alias match | Alpine Linux edge package indexes: pgpool from https://dl-cdn.alpinelinux.org/alpine/edge/main/x86_64/APKINDEX.tar.gz | A connection pooling/replication server for PostgreSQL | https://www.pgpool.net/
- apk - pgpool-dev - 4.6.7-r0: installed executable or alias match | Alpine Linux edge package indexes: pgpool-dev from https://dl-cdn.alpinelinux.org/alpine/edge/main/x86_64/APKINDEX.tar.gz | A connection pooling/replication server for PostgreSQL (development files) | https://www.pgpool.net/
- apk - pgpool-doc - 4.6.7-r0: installed executable or alias match | Alpine Linux edge package indexes: pgpool-doc from https://dl-cdn.alpinelinux.org/alpine/edge/main/x86_64/APKINDEX.tar.gz | A connection pooling/replication server for PostgreSQL (documentation) | https://www.pgpool.net/
- apk - pgpool-openrc - 4.6.7-r0: installed executable or alias match | Alpine Linux edge package indexes: pgpool-openrc from https://dl-cdn.alpinelinux.org/alpine/edge/main/x86_64/APKINDEX.tar.gz | A connection pooling/replication server for PostgreSQL (OpenRC init scripts) | https://www.pgpool.net/
- apk - pgpool-static - 4.6.7-r0: installed executable or alias match | Alpine Linux edge package indexes: pgpool-static from https://dl-cdn.alpinelinux.org/alpine/edge/main/x86_64/APKINDEX.tar.gz | A connection pooling/replication server for PostgreSQL (static library) | https://www.pgpool.net/


## Combined YAML source

View the package source record on GitHub. [combined/pgpool-ii.yml](https://github.com/mxcl/pkgdb/blob/main/combined/pgpool-ii.yml)


## Sources

- pkg.so package database
- curated configuration and credential file locations
- pkgdb category and tag curation
- external package-manager database matches
- cross-ecosystem install command graph