On 5/25/12 8:19 AM, Tom Lane wrote:
> Andres Freund <andres(at)2ndquadrant(dot)com> writes:
>> On Friday, May 25, 2012 04:03:49 PM Peter Geoghegan wrote:
>>> Where do you suggest the file be written to?
>
>> One could argue stats_temp_directory would be the correct place.
>
> No, that would be exactly the *wrong* place, because that directory can
> be on a RAM disk. We need to put this somewhere where it'll survive
> a shutdown.
Mind you, I can imagine a busy system wanting to keep PSS on a ram disk
as well. But users should be able to make that decision separately from
the stats file.
--
Josh Berkus
PostgreSQL Experts Inc.
http://pgexperts.com