From: Scott Mead <scottm@openscg.com>
To: pgsql-admin@postgresql.org
Subject: Re: pg_restore - Real dump file size
Date: Fri, 26 Feb 2016 10:29:54 -0500
Message-ID: <56D06F72.3000604@openscg.com> (raw)
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On 02/26/2016 12:19 AM, drum.lucas@gmail.com wrote:
> sorry I was going to send it to the general list.. but I've sent to
> admin by mistake
>
>
> I've sent to general list now
>
>
> On 26 February 2016 at 17:25, drum.lucas@gmail.com
> <mailto:drum.lucas@gmail.com> <drum.lucas@gmail.com
> <mailto:drum.lucas@gmail.com>> wrote:
>
> Hi all,
>
>
> I'm doing the pg_restore now in a 1.5TB file:
>
> *# ls -la*
>
> postgres postgres 1575324616939 Feb 20 13:55 devdb_0.sql
>
> But, the restore has gone over 1.6 TB
>
> *# \l+*
>
> 1639 GB
>
>
> How is that even possible?
>
The dump itself doesn't contain index data. It'll contain a line that
says 'CREATE INDEX .....'
The index is an on-disk entity that requires disk space, it's very
common for a dump file and a restored database to very significantly in
size.
>
> *pg_restore command:*
>
> /usr/pgsql-9.2/bin/pg_restore -d dbname --exit-on-error --jobs=4
> --verbose devdb_0.sql
>
> Cheers
>
>
--
Scott Mead
OpenSCG <http://www.openscg.com;
http://www.openscg.com
PostgreSQL, Java & Linux Experts
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To: pgsql-admin@postgresql.org
Cc: scottm@openscg.com
Subject: Re: pg_restore - Real dump file size
In-Reply-To: <56D06F72.3000604@openscg.com>
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