pg_stat_kcache

Overview

PGDG 1st Party Extension: pg_stat_kcache : Kernel statistics gathering

Information

• Extension ID: 6220
• Extension Name: pg_stat_kcache
• Package Name: pg_stat_kcache
• Category: STAT
• License: BSD 3
• Website: https://github.com/powa-team/pg_stat_kcache
• Language: C
• Extra Tags: N/A
• Comment: N/A

Metadata

• Latest Version: 2.3.0
• Postgres Support: 17,16,15,14,13
• Need Load: Explicit Loading Required
• Need DDL: Need CREATE EXTENSION DDL
• Relocatable: Can not install to arbitrary schema
• Trusted: Untrusted, Require Superuser to Create
• Schemas: N/A
• Requires: pg_stat_statements

RPM / DEB

• RPM Repo: PGDG
• RPM Name: pg_stat_kcache_$v*
• RPM Ver : 2.3.0
• RPM Deps: N/A
• DEB Repo: PGDG
• DEB Name: postgresql-$v-pg-stat-kcache
• DEB Ver : 2.3.0
• DEB Deps: N/A

Packages

Installation

Install pg_stat_kcache via the pig CLI tool:

pig ext install pg_stat_kcache

Install pg_stat_kcache via Pigsty playbook:

./pgsql.yml -t pg_extension -e '{"pg_extensions": ["pg_stat_kcache"]}' # -l <cls>

Install pg_stat_kcache RPM from YUM repo directly:

dnf install pg_stat_kcache_17*;
dnf install pg_stat_kcache_16*;
dnf install pg_stat_kcache_15*;
dnf install pg_stat_kcache_14*;
dnf install pg_stat_kcache_13*;

Install pg_stat_kcache DEB from APT repo directly:

apt install postgresql-17-pg-stat-kcache;
apt install postgresql-16-pg-stat-kcache;
apt install postgresql-15-pg-stat-kcache;
apt install postgresql-14-pg-stat-kcache;
apt install postgresql-13-pg-stat-kcache;

Extension pg_stat_kcache has to be added to shared_preload_libraries

shared_preload_libraries = 'pg_stat_kcache'; # add to pg cluster config

Enable pg_stat_kcache extension on PostgreSQL cluster：

CREATE EXTENSION pg_stat_kcache CASCADE;