Re: out of memory in backup and restore

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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@xxxxxxxxxxxxx <mailto:t.markus@xxxxxxxxxxxxx>> 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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