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#1 (**permalink**) 04-10-2008, 07:09 AM

Hello

I get the following error when dumping a pg database with WIN_1252 encoding:

pg_dump --clean --no-owner dumpfile | gzip >/home/postgres/globalen.dump.gz
2>>./err.out

pg_dump: ERROR: invalid memory alloc request size 4294967293
pg_dump: SQL command to dump the contents of table "site" failed:
PQendcopy() failed.
pg_dump: Error message from server: ERROR: invalid memory alloc request
size 4294967293
pg_dump: The command was: COPY public.site (site_id, url, status, created,
"domain", title) TO stdout;

Possibly related is a particular query with pgAdmin on same site table with
above error yields
ERROR: invalid multibyte character for locale

I have upgraded from 8.1.2 to 8.1.6 but get the same error.

Any help appreciated.

Regards,
David.

#2 (**permalink**) 04-10-2008, 07:09 AM

Hmmm that looks like to me a HW problem causing data corruption. Try doing a
REINDEX for the database, if possible restart the database server machine
and then try taking the dump again to see if that works.

But I will recommend doing memory tests for the hardware...

--
Shoaib Mir
EnterpriseDB (www.enterprisedb.com)

On 1/31/07, airbulb <airbulb@gmail.com> wrote:
>
> Hello
>
> I get the following error when dumping a pg database with WIN_1252
> encoding:
>
> pg_dump --clean --no-owner dumpfile | gzip
> >/home/postgres/globalen.dump.gz 2>>./err.out
>
> pg_dump: ERROR: invalid memory alloc request size 4294967293
> pg_dump: SQL command to dump the contents of table "site" failed:
> PQendcopy() failed.
> pg_dump: Error message from server: ERROR: invalid memory alloc request
> size 4294967293
> pg_dump: The command was: COPY public.site (site_id, url, status, created,
> "domain", title) TO stdout;
>
> Possibly related is a particular query with pgAdmin on same site table
> with above error yields
> ERROR: invalid multibyte character for locale
>
> I have upgraded from 8.1.2 to 8.1.6 but get the same error.
>
> Any help appreciated.
>
> Regards,
> David.
>

#3 (**permalink**) 04-10-2008, 07:09 AM

Thanks - I tracked down the offending row and deleted it. Just in case
anyone wishes to know how

select * from site where id < 5000 (no error)
select * from site where id < 10000 (no error)
select * from site where id < 15000 (error)
....
select * from site where id = 12344 (no error)
select * from site where id = 12345 (error)
delete from site where id = 12345 (error)

On 2/6/07, Shoaib Mir <shoaibmir@gmail.com> wrote:
>
> Hmmm that looks like to me a HW problem causing data corruption. Try doing
> a REINDEX for the database, if possible restart the database server machine
> and then try taking the dump again to see if that works.
>
> But I will recommend doing memory tests for the hardware...
>
> --
> Shoaib Mir
> EnterpriseDB (www.enterprisedb.com)
>
> On 1/31/07, airbulb < airbulb@gmail.com> wrote:
> >
> > Hello
> >
> > I get the following error when dumping a pg database with WIN_1252
> > encoding:
> >
> > pg_dump --clean --no-owner dumpfile | gzip
> > >/home/postgres/globalen.dump.gz 2>>./err.out
> >
> > pg_dump: ERROR: invalid memory alloc request size 4294967293
> > pg_dump: SQL command to dump the contents of table "site" failed:
> > PQendcopy() failed.
> > pg_dump: Error message from server: ERROR: invalid memory alloc request
> > size 4294967293
> > pg_dump: The command was: COPY public.site (site_id, url, status,
> > created, "domain", title) TO stdout;
> >
> > Possibly related is a particular query with pgAdmin on same site table
> > with above error yields
> > ERROR: invalid multibyte character for locale
> >
> > I have upgraded from 8.1.2 to 8.1.6 but get the same error.
> >
> > Any help appreciated.
> >
> > Regards,
> > David.
> >
>
>

--
-----------------------------
David Cotter CTO
Alatto Technologies Ltd
-----------------------------
david.cotter@alatto.com
m. +353 87 6293698
t. +353 1 2090700 (main)
t. +353 1 2090779 (direct)
f. +353 1 2090707
www.alatto.com
-----------------------------
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Unable to pg_dump 8.1.2 - memory alloc error