Message-ID: <db46ab37a8ca7bcae168ed45e73c4d68908993ab.camel@cybertec.at>
Subject: Re: Size of /pgdata
From: Laurenz Albe <laurenz.albe@cybertec.at>
To: Raj <rajeshkumar.dba09@gmail.com>
Cc: Pgsql-admin <pgsql-admin@lists.postgresql.org>
Date: Mon, 15 Jun 2026 08:17:41 +0200
In-Reply-To: 
 <CAJk5AtburOY2ugaH-6+8OHgOBwyyaq1V3LLozCAf57c5jtmR+w@mail.gmail.com>
References: 
	<CAJk5Atb1v7=x-wsS-tL7Lxs7yXQy8Ng-GhXG+zzZ1gVAx=Xzjw@mail.gmail.com>
	 <e55acd6eb1b237f1293b0150f60e1655a8778724.camel@cybertec.at>
	 <CAJk5AtburOY2ugaH-6+8OHgOBwyyaq1V3LLozCAf57c5jtmR+w@mail.gmail.com>
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On Mon, 2026-06-15 at 06:48 +0530, Raj wrote:
> On Mon, 15 Jun 2026, 01:00 Laurenz Albe, <laurenz.albe@cybertec.at> wrote=
:
> > On Sat, 2026-06-13 at 12:18 +0530, Raj wrote:
> > > I took one big sample table which is 73GB, and using relfilenode(3276=
83) I tried finding the
> > > underlying file size du -sh 327683*=C2=A0 and able to find the total =
size the files occpuing and
> > > found 113gb.......so for one table itself it is 40Gb additional...
> >=20
> > Investigate more:
> >=20
> > - Make sure that you don't get files from another filenode like 3276838=
.
> >=20
> > - If the relation (as shown by pg_relation_size('tablename')) is 73GB,
> > =C2=A0 it should consist of 327683, 327683.1, 327683.2, ..., 327683.72.
> > =C2=A0 Check what additional files there are.
> >=20
> > - Extra files can be left behind after a crash.=C2=A0 Were there any?
>
> No, I am using the command du -ch 327101*

That reply does not make any sense to me.

Yours,
Laurenz Albe