On Thu, May 29, 2008 at 01:05:22AM +0200, Sabbiolina wrote:
> I have 4 Gigs of RAM, how do I force Postgres to use a higher part of such
> memory in order to cache more indexes, queries and so on?
PG relies on the operating system to cache most disk accesses. Looking
at the amount of memory a process directly uses isn't a good measure of
this, a better method would be to watch what the IO subsystem is doing.
If you've got lots of reads happening then the disk isn't being cached.
Sam
