Re: Autovacuum running out of memory

[Richard Huxton <dev(at)archonet(dot)com>]

Not really a performance question, but...

Jason Lustig wrote:
> Whenever I turn on Autovacuum on my database, I get a ton of error 
> messages like this in my Postgres log:
>
> Oct 16 06:43:47 [2897]: [1-1]  user=,db= ERROR:  out of memory
> Oct 16 06:43:47 [2897]: [1-2]  user=,db= DETAIL:  Failed on request of 
> size 524287998.
>
> It always fails on the same request. When I turn off autovacuum, they go 
> away. However, when I run VACUUM FULL manually, I don't get this error.

Is there nothing before this giving the error message some context?
Is the user and database really blank, or have you just trimmed those?
What version of PG is this, and running on what O.S.?

--
  Richard Huxton
  Archonet Ltd