I think Mr. Lane meant that you may have set the maintenance_work_mem setting too high, try setting it to about 25% of the total RAM on your system for now.
From: pgsql-admin-owner(at)postgresql(dot)org [mailto:pgsql-admin-owner(at)postgresql(dot)org] On Behalf Of Nicolas Michel
Sent: Friday, September 11, 2009 10:37 AM
To: Tom Lane
Subject: Re: [ADMIN] Vacuum analyse after a long time without one ...
Tom Lane a écrit :
> Nicolas Michel <nicolas(dot)michel(at)lemail(dot)be> writes:
>> I have a problem with a database. The last full vacuum analyse was made
>> long time ago... So I tried to start launching a vacuum analyse and I
>> get this error :
>> $ vacuumdb -az
>> vacuumdb: vacuuming database "postgres"
>> vacuumdb: vacuuming database "mexi"
>> vacuumdb: vacuuming of database "mexi" failed: ERROR: out of memory
>> DETAIL: Failed on request of size 134697600.
> What is your maintenance_work_mem setting? It rather looks like it's
> more than your system will really allow.
> regards, tom lane
I already tried to set the work_mem setting to the max value I can but
it changed nothing.
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