Postgresql find total disk space used by a database
Execute the following query to show the size of each of the databases in the server SELECT datname as db name pg size pretty pg database size datname as db usage FROM pg database note This is based on the accepted answer but the saves time of not having to run one query per database Share Follow
Disk Usage PostgreSQL wiki, Finding the size of various object in your database table size database size General Table Size Information Grouped For Partitioned Tables Performance Snippets Disk usage Works with PostgreSQL 9 2 Written in SQL Depends on Nothing This will report size information for all tables that are not inherited in the pretty form
How to get the disk size of a Postgresql database
In PostgreSQL you can get the disk size of a database by querying the pg database size function Here s an example SQL query SELECT pg size pretty pg database size your database name Replace your database name with the name of the database for which you want to get the size
PostgreSQL database size doesn t match used space on disk, On larger tables repack sometimes fails to complete the process which results in using more disk space that PostgreSQL reports the DB is using I use following query to report size of each database SELECT schema name pg size pretty sum table size bigint sum table size pg database size current database 100 as pct FROM
Chapter 73 Database Physical Storage PostgreSQL
Chapter 73 Database Physical Storage PostgreSQL, 73 5 The Initialization Fork 73 6 Database Page Layout 73 6 1 Table Row Layout 73 7 Heap Only Tuples HOT This chapter provides an overview of the physical storage format used by PostgreSQL databases
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Show size of tables and other database objects in Postgres
Show size of tables and other database objects in Postgres 1 I need to clear disk space so I want to see which tables and other objects are using the most disk space in my Postgres databases Ideally I d like to see database name schema name object type object name and size in GB MB I m imagining something like the du h command or the ncdu utility but for Postgres
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Monitoring Disk Usage Table of Contents 29 1 Determining Disk Usage 29 2 Disk Full Failure This chapter discusses how to monitor the disk usage of a PostgreSQL database system Prev Up Next 28 5 Dynamic Tracing Home 29 1 Determining Disk Usage Submit correction Chapter 29 Monitoring Disk Usage PostgreSQL. Using psql on a recently vacuumed or analyzed database you can issue queries to see the disk usage of any table SELECT pg relation filepath oid relpages FROM pg class WHERE relname customer pg relation filepath relpages base 16384 16806 60 1 row Each page is typically 8 kilobytes Optimizing or estimating postgresql table size on disk This ion is in the context of the helpcovid GPLv3 project work in progress in March 2020 With PostgreSQL 11 on Debian Buster x86 64 See the file hcv database cc there TABLE tb user CREATE TABLE IF NOT EXISTS tb user user id SERIAL PRIMARY KEY NOT NULL unique user id
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