Re: out of memory in backup and restore

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.markus@proventis.net
> <mailto: t.markus@proventis.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.markus@proventis.net
Web:    www.proventis.net
Web:    www.blue-ant.de

proventis GmbH
Zimmerstraße 79-80
10117 Berlin

"proventis: Wir bewegen Organisationen."




---------------------------(end of broadcast)---------------------------
TIP 4: Have you searched our list archives?

               http://archives.postgresql.org