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(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
>
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