"Kevin Grittner" <kevin.gritt...@wicourts.gov> writes:
> Silvio Brandani <silvio.brand...@tech.sdb.it> wrote:
>> a query on our production database give following errror:
>> 
>> 2010-08-05 10:52:40 CEST [12106]: [278-1] ERROR:  out of memory
>> 2010-08-05 10:52:40 CEST [12106]: [279-1] DETAIL:  Failed on
>> request of size 48.
 
> What query?  On what OS?  Is this a 32-bit or 64-bit build of
> PostgreSQL?  How long does it run before failing.  What does memory
> usage look like before and during the run?

Also, out-of-memory should result in a memory usage map getting dumped
to the postmaster log.  That would be useful to see too.

                        regards, tom lane

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