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33 lines
778 B
MySQL
33 lines
778 B
MySQL
4 years ago
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--
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-- Author: Hari Sekhon
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-- Date: 2020-08-05 17:30:04 +0100 (Wed, 05 Aug 2020)
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--
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-- vim:ts=2:sts=2:sw=2:et:filetype=sql
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--
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-- https://github.com/harisekhon/bash-tools
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--
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-- License: see accompanying Hari Sekhon LICENSE file
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--
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-- 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
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--
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-- https://www.linkedin.com/in/harisekhon
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--
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-- PostgreSQL vacuum info for tables with dead tuples
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SELECT
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schemaname,
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relname,
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n_live_tup,
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n_dead_tup,
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n_dead_tup / GREATEST(n_live_tup + n_dead_tup, 1)::float * 100 AS dead_percentage,
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last_vacuum,
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last_autovacuum,
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vacuum_count,
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autovacuum_count
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FROM pg_stat_user_tables
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WHERE
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n_dead_tup > 0
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ORDER BY
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n_dead_tup DESC;
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