From 60d3abc6ecdc21b4ab921d34a55b4af48690f55a Mon Sep 17 00:00:00 2001
From: Julien Dessaux
Date: Thu, 11 Mar 2021 18:53:14 +0100
Subject: Rewrote the whole website to get rid on a heavy theme

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 content/blog/miscellaneous/debug-disk-usage-postgresql.md | 14 ++++++++++++++
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 create mode 100644 content/blog/miscellaneous/debug-disk-usage-postgresql.md

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+---
+title: "Investigate postgresql disk usage"
+linkTitle: "Investigate postgresql disk usage"
+date: 2015-11-24
+description: >
+  Investigate postgresql disk usage
+---
+
+## How to debug disk occupation in postgresql
+
+- get a database oid number from `ncdu` in `/var/lib/postgresql`
+- reconcile oid number and db name with : `select oid,datname from pg_database where oid=18595;`
+- Then in database : `select table_name,pg_relation_size(quote_ident(table_name)) from information_schema.tables where table_schema = 'public' order by 2;`
+
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