Re: Size of /pgdata

From: Ron Johnson <ronljohnsonjr(at)gmail(dot)com>
To: Pgsql-admin <pgsql-admin(at)lists(dot)postgresql(dot)org>
Subject: Re: Size of /pgdata
Date: 2026-06-13 12:39:41
Message-ID: CANzqJaB7jSN7RQruqzBPnKKNkSMTKn7s5C5jGZDOk=M79hB9ug@mail.gmail.com
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On Sat, Jun 13, 2026 at 2:48 AM Raj <rajeshkumar(dot)dba09(at)gmail(dot)com> wrote:

> Hi all,
>
> I am using 17.9 version.
>
> I see suddenly du -sh /pgdata/17 shows 930GB. Total allocated is 1TB.
>

Don't stop with "-s". Drill deeper:

du -hd2 /pgdata/17

>
> I checked the db size using \l+ and also pg_total_relation_size and size
> for particular db is 630GB. Ignoring postgres and template dbs as they are
> in KBs.
>

Use pg_database_size() instead, since pg_total_relation_size() might miss
something.

--
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Don't boil me, I'm still alive.
<Redacted> lobster!

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