Re: Really out of memory?

On Tue, 2 Jun 2009, Martijn van Oosterhout wrote:

> On Tue, Jun 02, 2009 at 11:10:04AM -0700, Ben Chobot wrote:

>> May 31 02:59:40 sfmelwss postgres[30103]: [1-1] ERROR:  out of memory
>> May 31 02:59:40 sfmelwss postgres[30103]: [1-2] DETAIL:  Failed on request of size 16777212.
>
> Add even more swap. By turning overcommit off you make the kernel
> really pessimistic about how much memory is in use.

Is it so pessimistic that it won't try to swap out 16MB into almost 1GB of
free swap? That seems surprising to me.