Re: Anything to be gained from a 'Postgres Filesystem'? - Mailing list pgsql-performance

On Fri, 2004-11-05 at 02:47, Chris Browne wrote:
> Another thing that would be valuable would be to have some way to say:
>
>   "Read this data; don't bother throwing other data out of the cache
>    to stuff this in."

This is similar, although not exactly the same thing:

http://www.opengroup.org/onlinepubs/009695399/functions/posix_fadvise.html

POSIX_FADV_NOREUSE
        Specifies that the application expects to access the specified
        data once and then not reuse it thereafter.

-Neil