pg_cooldown

remove buffered pages for specific relations

Overview

Package	Version	Category	License	Language
`pg_cooldown`	`0.1`	ADMIN	Apache-2.0	C

ID	Extension	Bin	Lib	Load	Create	Trust	Reloc	Schema
5070	`pg_cooldown`	No	Yes	No	Yes	No	Yes	-

Related	`pg_buffercache` `pgfincore` `pgcozy` `pg_prewarm`

Version

Type	Repo	Version	PG Ver	Package	Deps
EXT	PIGSTY	`0.1`	1817161514	`pg_cooldown`	-
RPM	PIGSTY	`0.1`	1817161514	`pg_cooldown_$v`	-
DEB	PIGSTY	`0.1`	1817161514	`postgresql-$v-pg-cooldown`	-

OS / PG	PG18	PG17	PG16	PG15	PG14
el8.x86_64	PIGSTY 0.1 el8.x86_64.pg18 : pg_cooldown_18 pg_cooldown_18-0.1-1PIGSTY.el8.x86_64.rpm PIGSTY · 0.1 · 16.2KiB	PIGSTY 0.1 el8.x86_64.pg17 : pg_cooldown_17 pg_cooldown_17-0.1-1PIGSTY.el8.x86_64.rpm PIGSTY · 0.1 · 16.2KiB	PIGSTY 0.1 el8.x86_64.pg16 : pg_cooldown_16 pg_cooldown_16-0.1-1PIGSTY.el8.x86_64.rpm PIGSTY · 0.1 · 16.2KiB	PIGSTY 0.1 el8.x86_64.pg15 : pg_cooldown_15 pg_cooldown_15-0.1-1PIGSTY.el8.x86_64.rpm PIGSTY · 0.1 · 16.2KiB	PIGSTY 0.1 el8.x86_64.pg14 : pg_cooldown_14 pg_cooldown_14-0.1-1PIGSTY.el8.x86_64.rpm PIGSTY · 0.1 · 16.2KiB
el8.aarch64	PIGSTY 0.1 el8.aarch64.pg18 : pg_cooldown_18 pg_cooldown_18-0.1-1PIGSTY.el8.aarch64.rpm PIGSTY · 0.1 · 16.4KiB	PIGSTY 0.1 el8.aarch64.pg17 : pg_cooldown_17 pg_cooldown_17-0.1-1PIGSTY.el8.aarch64.rpm PIGSTY · 0.1 · 16.4KiB	PIGSTY 0.1 el8.aarch64.pg16 : pg_cooldown_16 pg_cooldown_16-0.1-1PIGSTY.el8.aarch64.rpm PIGSTY · 0.1 · 16.4KiB	PIGSTY 0.1 el8.aarch64.pg15 : pg_cooldown_15 pg_cooldown_15-0.1-1PIGSTY.el8.aarch64.rpm PIGSTY · 0.1 · 16.4KiB	PIGSTY 0.1 el8.aarch64.pg14 : pg_cooldown_14 pg_cooldown_14-0.1-1PIGSTY.el8.aarch64.rpm PIGSTY · 0.1 · 16.4KiB
el9.x86_64	PIGSTY 0.1 el9.x86_64.pg18 : pg_cooldown_18 pg_cooldown_18-0.1-1PIGSTY.el9.x86_64.rpm PIGSTY · 0.1 · 16.0KiB	PIGSTY 0.1 el9.x86_64.pg17 : pg_cooldown_17 pg_cooldown_17-0.1-1PIGSTY.el9.x86_64.rpm PIGSTY · 0.1 · 16.0KiB	PIGSTY 0.1 el9.x86_64.pg16 : pg_cooldown_16 pg_cooldown_16-0.1-1PIGSTY.el9.x86_64.rpm PIGSTY · 0.1 · 16.0KiB	PIGSTY 0.1 el9.x86_64.pg15 : pg_cooldown_15 pg_cooldown_15-0.1-1PIGSTY.el9.x86_64.rpm PIGSTY · 0.1 · 16.1KiB	PIGSTY 0.1 el9.x86_64.pg14 : pg_cooldown_14 pg_cooldown_14-0.1-1PIGSTY.el9.x86_64.rpm PIGSTY · 0.1 · 16.1KiB
el9.aarch64	PIGSTY 0.1 el9.aarch64.pg18 : pg_cooldown_18 pg_cooldown_18-0.1-1PIGSTY.el9.aarch64.rpm PIGSTY · 0.1 · 16.1KiB	PIGSTY 0.1 el9.aarch64.pg17 : pg_cooldown_17 pg_cooldown_17-0.1-1PIGSTY.el9.aarch64.rpm PIGSTY · 0.1 · 16.1KiB	PIGSTY 0.1 el9.aarch64.pg16 : pg_cooldown_16 pg_cooldown_16-0.1-1PIGSTY.el9.aarch64.rpm PIGSTY · 0.1 · 16.1KiB	PIGSTY 0.1 el9.aarch64.pg15 : pg_cooldown_15 pg_cooldown_15-0.1-1PIGSTY.el9.aarch64.rpm PIGSTY · 0.1 · 16.1KiB	PIGSTY 0.1 el9.aarch64.pg14 : pg_cooldown_14 pg_cooldown_14-0.1-1PIGSTY.el9.aarch64.rpm PIGSTY · 0.1 · 16.1KiB
el10.x86_64	PIGSTY 0.1 el10.x86_64.pg18 : pg_cooldown_18 pg_cooldown_18-0.1-1PIGSTY.el10.x86_64.rpm PIGSTY · 0.1 · 16.0KiB	PIGSTY 0.1 el10.x86_64.pg17 : pg_cooldown_17 pg_cooldown_17-0.1-1PIGSTY.el10.x86_64.rpm PIGSTY · 0.1 · 16.0KiB	PIGSTY 0.1 el10.x86_64.pg16 : pg_cooldown_16 pg_cooldown_16-0.1-1PIGSTY.el10.x86_64.rpm PIGSTY · 0.1 · 16.0KiB	PIGSTY 0.1 el10.x86_64.pg15 : pg_cooldown_15 pg_cooldown_15-0.1-1PIGSTY.el10.x86_64.rpm PIGSTY · 0.1 · 16.0KiB	PIGSTY 0.1 el10.x86_64.pg14 : pg_cooldown_14 pg_cooldown_14-0.1-1PIGSTY.el10.x86_64.rpm PIGSTY · 0.1 · 16.0KiB
el10.aarch64	PIGSTY 0.1 el10.aarch64.pg18 : pg_cooldown_18 pg_cooldown_18-0.1-1PIGSTY.el10.aarch64.rpm PIGSTY · 0.1 · 16.2KiB	PIGSTY 0.1 el10.aarch64.pg17 : pg_cooldown_17 pg_cooldown_17-0.1-1PIGSTY.el10.aarch64.rpm PIGSTY · 0.1 · 16.2KiB	PIGSTY 0.1 el10.aarch64.pg16 : pg_cooldown_16 pg_cooldown_16-0.1-1PIGSTY.el10.aarch64.rpm PIGSTY · 0.1 · 16.3KiB	PIGSTY 0.1 el10.aarch64.pg15 : pg_cooldown_15 pg_cooldown_15-0.1-1PIGSTY.el10.aarch64.rpm PIGSTY · 0.1 · 16.3KiB	PIGSTY 0.1 el10.aarch64.pg14 : pg_cooldown_14 pg_cooldown_14-0.1-1PIGSTY.el10.aarch64.rpm PIGSTY · 0.1 · 16.2KiB
d12.x86_64	PIGSTY 0.1 d12.x86_64.pg18 : postgresql-18-pg-cooldown postgresql-18-pg-cooldown_0.1-2PIGSTY~bookworm_amd64.deb PIGSTY · 0.1 · 11.9KiB	PIGSTY 0.1 d12.x86_64.pg17 : postgresql-17-pg-cooldown postgresql-17-pg-cooldown_0.1-2PIGSTY~bookworm_amd64.deb PIGSTY · 0.1 · 11.8KiB	PIGSTY 0.1 d12.x86_64.pg16 : postgresql-16-pg-cooldown postgresql-16-pg-cooldown_0.1-2PIGSTY~bookworm_amd64.deb PIGSTY · 0.1 · 11.8KiB	PIGSTY 0.1 d12.x86_64.pg15 : postgresql-15-pg-cooldown postgresql-15-pg-cooldown_0.1-2PIGSTY~bookworm_amd64.deb PIGSTY · 0.1 · 11.8KiB	PIGSTY 0.1 d12.x86_64.pg14 : postgresql-14-pg-cooldown postgresql-14-pg-cooldown_0.1-2PIGSTY~bookworm_amd64.deb PIGSTY · 0.1 · 11.8KiB
d12.aarch64	PIGSTY 0.1 d12.aarch64.pg18 : postgresql-18-pg-cooldown postgresql-18-pg-cooldown_0.1-2PIGSTY~bookworm_arm64.deb PIGSTY · 0.1 · 11.9KiB	PIGSTY 0.1 d12.aarch64.pg17 : postgresql-17-pg-cooldown postgresql-17-pg-cooldown_0.1-2PIGSTY~bookworm_arm64.deb PIGSTY · 0.1 · 11.9KiB	PIGSTY 0.1 d12.aarch64.pg16 : postgresql-16-pg-cooldown postgresql-16-pg-cooldown_0.1-2PIGSTY~bookworm_arm64.deb PIGSTY · 0.1 · 11.9KiB	PIGSTY 0.1 d12.aarch64.pg15 : postgresql-15-pg-cooldown postgresql-15-pg-cooldown_0.1-2PIGSTY~bookworm_arm64.deb PIGSTY · 0.1 · 11.9KiB	PIGSTY 0.1 d12.aarch64.pg14 : postgresql-14-pg-cooldown postgresql-14-pg-cooldown_0.1-2PIGSTY~bookworm_arm64.deb PIGSTY · 0.1 · 11.9KiB
d13.x86_64	PIGSTY 0.1 d13.x86_64.pg18 : postgresql-18-pg-cooldown postgresql-18-pg-cooldown_0.1-2PIGSTY~trixie_amd64.deb PIGSTY · 0.1 · 11.9KiB	PIGSTY 0.1 d13.x86_64.pg17 : postgresql-17-pg-cooldown postgresql-17-pg-cooldown_0.1-2PIGSTY~trixie_amd64.deb PIGSTY · 0.1 · 11.8KiB	PIGSTY 0.1 d13.x86_64.pg16 : postgresql-16-pg-cooldown postgresql-16-pg-cooldown_0.1-2PIGSTY~trixie_amd64.deb PIGSTY · 0.1 · 11.8KiB	PIGSTY 0.1 d13.x86_64.pg15 : postgresql-15-pg-cooldown postgresql-15-pg-cooldown_0.1-2PIGSTY~trixie_amd64.deb PIGSTY · 0.1 · 11.8KiB	PIGSTY 0.1 d13.x86_64.pg14 : postgresql-14-pg-cooldown postgresql-14-pg-cooldown_0.1-2PIGSTY~trixie_amd64.deb PIGSTY · 0.1 · 11.8KiB
d13.aarch64	PIGSTY 0.1 d13.aarch64.pg18 : postgresql-18-pg-cooldown postgresql-18-pg-cooldown_0.1-2PIGSTY~trixie_arm64.deb PIGSTY · 0.1 · 12.0KiB	PIGSTY 0.1 d13.aarch64.pg17 : postgresql-17-pg-cooldown postgresql-17-pg-cooldown_0.1-2PIGSTY~trixie_arm64.deb PIGSTY · 0.1 · 11.9KiB	PIGSTY 0.1 d13.aarch64.pg16 : postgresql-16-pg-cooldown postgresql-16-pg-cooldown_0.1-2PIGSTY~trixie_arm64.deb PIGSTY · 0.1 · 11.9KiB	PIGSTY 0.1 d13.aarch64.pg15 : postgresql-15-pg-cooldown postgresql-15-pg-cooldown_0.1-2PIGSTY~trixie_arm64.deb PIGSTY · 0.1 · 12.0KiB	PIGSTY 0.1 d13.aarch64.pg14 : postgresql-14-pg-cooldown postgresql-14-pg-cooldown_0.1-2PIGSTY~trixie_arm64.deb PIGSTY · 0.1 · 11.9KiB
u22.x86_64	PIGSTY 0.1 u22.x86_64.pg18 : postgresql-18-pg-cooldown postgresql-18-pg-cooldown_0.1-2PIGSTY~jammy_amd64.deb PIGSTY · 0.1 · 12.4KiB	PIGSTY 0.1 u22.x86_64.pg17 : postgresql-17-pg-cooldown postgresql-17-pg-cooldown_0.1-2PIGSTY~jammy_amd64.deb PIGSTY · 0.1 · 13.2KiB	PIGSTY 0.1 u22.x86_64.pg16 : postgresql-16-pg-cooldown postgresql-16-pg-cooldown_0.1-2PIGSTY~jammy_amd64.deb PIGSTY · 0.1 · 13.2KiB	PIGSTY 0.1 u22.x86_64.pg15 : postgresql-15-pg-cooldown postgresql-15-pg-cooldown_0.1-2PIGSTY~jammy_amd64.deb PIGSTY · 0.1 · 13.2KiB	PIGSTY 0.1 u22.x86_64.pg14 : postgresql-14-pg-cooldown postgresql-14-pg-cooldown_0.1-2PIGSTY~jammy_amd64.deb PIGSTY · 0.1 · 13.1KiB
u22.aarch64	PIGSTY 0.1 u22.aarch64.pg18 : postgresql-18-pg-cooldown postgresql-18-pg-cooldown_0.1-2PIGSTY~jammy_arm64.deb PIGSTY · 0.1 · 12.4KiB	PIGSTY 0.1 u22.aarch64.pg17 : postgresql-17-pg-cooldown postgresql-17-pg-cooldown_0.1-2PIGSTY~jammy_arm64.deb PIGSTY · 0.1 · 13.2KiB	PIGSTY 0.1 u22.aarch64.pg16 : postgresql-16-pg-cooldown postgresql-16-pg-cooldown_0.1-2PIGSTY~jammy_arm64.deb PIGSTY · 0.1 · 13.2KiB	PIGSTY 0.1 u22.aarch64.pg15 : postgresql-15-pg-cooldown postgresql-15-pg-cooldown_0.1-2PIGSTY~jammy_arm64.deb PIGSTY · 0.1 · 13.2KiB	PIGSTY 0.1 u22.aarch64.pg14 : postgresql-14-pg-cooldown postgresql-14-pg-cooldown_0.1-2PIGSTY~jammy_arm64.deb PIGSTY · 0.1 · 13.2KiB
u24.x86_64	PIGSTY 0.1 u24.x86_64.pg18 : postgresql-18-pg-cooldown postgresql-18-pg-cooldown_0.1-2PIGSTY~noble_amd64.deb PIGSTY · 0.1 · 12.4KiB	PIGSTY 0.1 u24.x86_64.pg17 : postgresql-17-pg-cooldown postgresql-17-pg-cooldown_0.1-2PIGSTY~noble_amd64.deb PIGSTY · 0.1 · 12.4KiB	PIGSTY 0.1 u24.x86_64.pg16 : postgresql-16-pg-cooldown postgresql-16-pg-cooldown_0.1-2PIGSTY~noble_amd64.deb PIGSTY · 0.1 · 12.4KiB	PIGSTY 0.1 u24.x86_64.pg15 : postgresql-15-pg-cooldown postgresql-15-pg-cooldown_0.1-2PIGSTY~noble_amd64.deb PIGSTY · 0.1 · 12.4KiB	PIGSTY 0.1 u24.x86_64.pg14 : postgresql-14-pg-cooldown postgresql-14-pg-cooldown_0.1-2PIGSTY~noble_amd64.deb PIGSTY · 0.1 · 12.4KiB
u24.aarch64	PIGSTY 0.1 u24.aarch64.pg18 : postgresql-18-pg-cooldown postgresql-18-pg-cooldown_0.1-2PIGSTY~noble_arm64.deb PIGSTY · 0.1 · 12.3KiB	PIGSTY 0.1 u24.aarch64.pg17 : postgresql-17-pg-cooldown postgresql-17-pg-cooldown_0.1-2PIGSTY~noble_arm64.deb PIGSTY · 0.1 · 12.2KiB	PIGSTY 0.1 u24.aarch64.pg16 : postgresql-16-pg-cooldown postgresql-16-pg-cooldown_0.1-2PIGSTY~noble_arm64.deb PIGSTY · 0.1 · 12.2KiB	PIGSTY 0.1 u24.aarch64.pg15 : postgresql-15-pg-cooldown postgresql-15-pg-cooldown_0.1-2PIGSTY~noble_arm64.deb PIGSTY · 0.1 · 12.2KiB	PIGSTY 0.1 u24.aarch64.pg14 : postgresql-14-pg-cooldown postgresql-14-pg-cooldown_0.1-2PIGSTY~noble_arm64.deb PIGSTY · 0.1 · 12.2KiB
u26.x86_64	PIGSTY 0.1 u26.x86_64.pg18 : postgresql-18-pg-cooldown postgresql-18-pg-cooldown_0.1-2PIGSTY~resolute_amd64.deb PIGSTY · 0.1 · 12.6KiB	PIGSTY 0.1 u26.x86_64.pg17 : postgresql-17-pg-cooldown postgresql-17-pg-cooldown_0.1-2PIGSTY~resolute_amd64.deb PIGSTY · 0.1 · 12.6KiB	PIGSTY 0.1 u26.x86_64.pg16 : postgresql-16-pg-cooldown postgresql-16-pg-cooldown_0.1-2PIGSTY~resolute_amd64.deb PIGSTY · 0.1 · 12.6KiB	PIGSTY 0.1 u26.x86_64.pg15 : postgresql-15-pg-cooldown postgresql-15-pg-cooldown_0.1-2PIGSTY~resolute_amd64.deb PIGSTY · 0.1 · 12.6KiB	PIGSTY 0.1 u26.x86_64.pg14 : postgresql-14-pg-cooldown postgresql-14-pg-cooldown_0.1-2PIGSTY~resolute_amd64.deb PIGSTY · 0.1 · 12.6KiB
u26.aarch64	PIGSTY 0.1 u26.aarch64.pg18 : postgresql-18-pg-cooldown postgresql-18-pg-cooldown_0.1-2PIGSTY~resolute_arm64.deb PIGSTY · 0.1 · 12.5KiB	PIGSTY 0.1 u26.aarch64.pg17 : postgresql-17-pg-cooldown postgresql-17-pg-cooldown_0.1-2PIGSTY~resolute_arm64.deb PIGSTY · 0.1 · 12.5KiB	PIGSTY 0.1 u26.aarch64.pg16 : postgresql-16-pg-cooldown postgresql-16-pg-cooldown_0.1-2PIGSTY~resolute_arm64.deb PIGSTY · 0.1 · 12.5KiB	PIGSTY 0.1 u26.aarch64.pg15 : postgresql-15-pg-cooldown postgresql-15-pg-cooldown_0.1-2PIGSTY~resolute_arm64.deb PIGSTY · 0.1 · 12.5KiB	PIGSTY 0.1 u26.aarch64.pg14 : postgresql-14-pg-cooldown postgresql-14-pg-cooldown_0.1-2PIGSTY~resolute_arm64.deb PIGSTY · 0.1 · 12.5KiB

Build

You can build the RPM / DEB packages for pg_cooldown using pig build:

pig build pkg pg_cooldown         # build RPM / DEB packages

Install

You can install pg_cooldown directly. First, make sure the PGDG and PIGSTY repositories are added and enabled:

pig repo add pgsql -u          # Add repo and update cache

Install the extension using pig or apt/yum/dnf:

Install

pig install pg_cooldown;          # Install for current active PG version

pig

pig ext install -y pg_cooldown -v 18  # PG 18
pig ext install -y pg_cooldown -v 17  # PG 17
pig ext install -y pg_cooldown -v 16  # PG 16
pig ext install -y pg_cooldown -v 15  # PG 15
pig ext install -y pg_cooldown -v 14  # PG 14

dnf

dnf install -y pg_cooldown_18       # PG 18
dnf install -y pg_cooldown_17       # PG 17
dnf install -y pg_cooldown_16       # PG 16
dnf install -y pg_cooldown_15       # PG 15
dnf install -y pg_cooldown_14       # PG 14

apt

apt install -y postgresql-18-pg-cooldown   # PG 18
apt install -y postgresql-17-pg-cooldown   # PG 17
apt install -y postgresql-16-pg-cooldown   # PG 16
apt install -y postgresql-15-pg-cooldown   # PG 15
apt install -y postgresql-14-pg-cooldown   # PG 14

Create Extension:

CREATE EXTENSION pg_cooldown;

Usage

pg_cooldown: remove buffered pages for specific relations

pg_cooldown is the complement to pg_prewarm: it removes all buffered pages of a specific relation from the shared buffer, useful for simulating cold-start scenarios in research and testing.

Remove Pages from Shared Buffer

-- Remove all data pages of a table
SELECT pg_cooldown('my_relation');

-- Remove pages of a primary key index
SELECT pg_cooldown('my_relation_pkey');

-- Remove pages of any index
SELECT pg_cooldown('my_index_name');

pg_cooldown

Overview

Version

Build

Install

Usage

Remove Pages from Shared Buffer

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