# Install pgpool-ii with Homebrew, MacPorts, apk, Nix PostgreSQL connection pool server. Version 4.7.2 via Homebrew; verified 2026-06-25. ## 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 - **Package manager page:** - **Version:** 4.7.2 - **Source summary:** PostgreSQL connection pool server - **Homepage:** - **Repository:** - **Upstream docs:** - **License:** HPND AND ISC - **Source archive:** - **Last updated:** 2026-06-25T13:38:00+02:00 - **Generated:** 2026-07-08T18:08:21+00:00 ## Executables - pcp_attach_node (cli) - pcp_detach_node (cli) - pcp_health_check_stats (cli) - pcp_invalidate_query_cache (cli) - pcp_log_rotate (cli) - pcp_node_count (cli) - pcp_node_info (cli) - pcp_pool_status (cli) - pcp_proc_count (cli) - pcp_proc_info (cli) - pcp_promote_node (cli) - pcp_recovery_node (cli) - pcp_reload_config (cli) - pcp_stop_pgpool (cli) - pcp_watchdog_info (cli) - pg_enc (cli) - pg_md5 (cli) - pgpool (cli) - pgpool_setup (cli) - pgproto (cli) - watchdog_setup (cli) - wd_cli (cli) - 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) ## Dependencies - libmemcached - libpq ## Uses from macOS - libxcrypt ## Install behavior - Post-install hook: not defined - Service: declared - Bottle: available on arm64_linux, arm64_sequoia, arm64_sonoma, arm64_tahoe, sonoma, x86_64_linux ## Freshness - Page generated: 2026-07-08 - Package-manager version: 4.7.2 - Package-manager updated: 2026-06-25 - Local data: ok - Upstream repository: https://www.pgpool.net/mediawiki/index.php/Main_Page - info: Release/tag comparison is only available for GitHub repositories. ## 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 ## Source Database Details - **Source Database:** Homebrew formula API - **Tap:** homebrew/core - **Full Name:** pgpool-ii - **Version Scheme:** 0 - **Revision:** 0 - **Bottle Stable Root URL:** - **Deprecated:** no - **Disabled:** no - **Keg Only:** no - **URL Keys:** stable ## 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/ ## Related links - [Networking and protocol packages](https://www.automicvault.com/pkg/networking-protocol-tools/) - Matched network, protocol, or remote-service metadata. - [Language runtime packages](https://www.automicvault.com/pkg/language-runtime-packages/) - Matched curated package taxonomy and local package facts. - [libmemcached](https://www.automicvault.com/pkg/brew/libmemcached/) - Runtime dependency declared by Homebrew. - [libpq](https://www.automicvault.com/pkg/brew/libpq/) - Runtime dependency declared by Homebrew. - [barman](https://www.automicvault.com/pkg/brew/barman/) - Local package facts share a topical domain. Shared terms: check, libpq, postgresql, recovery. - [mongodb-mcp-server](https://www.automicvault.com/pkg/npm/mongodb-mcp-server/) - Both packages touch the same language runtime or ecosystem. Shared terms: cache, connection, info, log, node. ## Combined YAML source View the package source record on GitHub. [combined/pgpool-ii.yml](https://github.com/automic-vault/db/blob/main/combined/pgpool-ii.yml) ## Sources - Nucleus package database - package-page enrichment - curated configuration and credential file locations - package version freshness - av.db category and tag curation - package relationship graph - external package-manager database matches - cross-ecosystem install command graph