On Fri, 24 Nov 2006 09:22:45 +0100
Guido Neitzer <[EMAIL PROTECTED]> wrote:

> > effective_cache_size = 82728                  # typically 8KB each
> Hmm. I don't know what the real effect of this might be as the doc  
> states:
> 
> "This parameter has no effect on the size of shared memory allocated  
> by PostgreSQL, nor does it reserve kernel disk cache; it is used
> only for estimation purposes."

   This is a hint to the optimizer about how much of the database may
   be in the OS level cache.  

 ---------------------------------
   Frank Wiles <[EMAIL PROTECTED]>
   http://www.wiles.org
 ---------------------------------


---------------------------(end of broadcast)---------------------------
TIP 3: Have you checked our extensive FAQ?

               http://www.postgresql.org/docs/faq

Reply via email to