You cannot select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
35 lines
811 B
SQL
35 lines
811 B
SQL
--
|
|
-- Author: Hari Sekhon
|
|
-- Date: 2020-08-05 17:30:04 +0100 (Wed, 05 Aug 2020)
|
|
--
|
|
-- vim:ts=2:sts=2:sw=2:et:filetype=sql
|
|
--
|
|
-- https://github.com/harisekhon/bash-tools
|
|
--
|
|
-- License: see accompanying Hari Sekhon LICENSE file
|
|
--
|
|
-- If you're using my code you're welcome to connect with me on LinkedIn and optionally send me feedback to help steer this or other code I publish
|
|
--
|
|
-- https://www.linkedin.com/in/harisekhon
|
|
--
|
|
|
|
-- PostgreSQL Vacuum info for tables with deleted rows
|
|
--
|
|
-- Tested on PostgreSQL 12.3
|
|
|
|
SELECT
|
|
schemaname,
|
|
relname,
|
|
n_live_tup,
|
|
n_dead_tup,
|
|
n_dead_tup / GREATEST(n_live_tup + n_dead_tup, 1)::float * 100 AS dead_percentage,
|
|
last_vacuum,
|
|
last_autovacuum,
|
|
vacuum_count,
|
|
autovacuum_count
|
|
FROM pg_stat_user_tables
|
|
WHERE
|
|
n_dead_tup > 0
|
|
ORDER BY
|
|
n_dead_tup DESC;
|