Re: out of memory in backup and restore

From: "Marcelo Costa" <marcelojscosta(at)gmail(dot)com>
To: "Thomas Markus" <t(dot)markus(at)proventis(dot)net>
Cc: pgsql-admin(at)postgresql(dot)org
Subject: Re: out of memory in backup and restore
Date: 2006-12-15 12:09:50
Message-ID: c13f2d590612150409k76950984h5817211c24518f7b@mail.gmail.com
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Try see your /tmp directory on your server, this maybe can for an left space
on your system disk.

[],s

Marcelo.

2006/12/15, Thomas Markus <t(dot)markus(at)proventis(dot)net>:
>
> Hi,
>
> logfile content see http://www.rafb.net/paste/results/cvD7uk33.html
> - cat /proc/sys/kernel/shmmax is 2013265920
> - ulimit is unlimited
> kernel is 2.6.15-1-em64t-p4-smp, pg version is 8.1.0 32bit
> postmaster process usage is 1.8gb ram atm
>
> thx
> Thomas
>
>
> Shoaib Mir schrieb:
> > Can you please show the dbserver logs and syslog at the same time when
> > it goes out of memory...
> >
> > Also how much is available RAM you have and the SHMMAX set?
> >
> > ------------
> > Shoaib Mir
> > EnterpriseDB ( www.enterprisedb.com <http://www.enterprisedb.com>)
> >
> > On 12/15/06, *Thomas Markus* <t(dot)markus(at)proventis(dot)net
> > <mailto:t(dot)markus(at)proventis(dot)net>> wrote:
> >
> > Hi,
> >
> > i'm running pg 8.1.0 on a debian linux (64bit) box (dual xeon 8gb
> ram)
> > pg_dump creates an error when exporting a large table with blobs
> > (largest blob is 180mb)
> >
> > error is:
> > pg_dump: ERROR: out of memory
> > DETAIL: Failed on request of size 1073741823.
> > pg_dump: SQL command to dump the contents of table "downloads"
> failed:
> > PQendcopy() failed.
> > pg_dump: Error message from server: ERROR: out of memory
> > DETAIL: Failed on request of size 1073741823.
> > pg_dump: The command was: COPY public.downloads ... TO stdout;
> >
> > if i try pg_dump with -d dump runs with all types (c,t,p), but i
> cant
> > restore (out of memory error or corrupt tar header at ...)
> >
> > how can i backup (and restore) such a db?
> >
> > kr
> > Thomas
> >
> > ---------------------------(end of
> > broadcast)---------------------------
> > TIP 4: Have you searched our list archives?
> >
> > http://archives.postgresql.org
> >
> >
>
> --
> Thomas Markus
>
> Tel: +49 30 29 36 399 - 22
> Fax: +49 30 29 36 399 - 50
> Mail: t(dot)markus(at)proventis(dot)net
> Web: www.proventis.net
> Web: www.blue-ant.de
>
> proventis GmbH
> Zimmerstraße 79-80
> 10117 Berlin
>
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>
>
>
>
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>
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>
>
>
>

--
Marcelo Costa

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