On Wed, 3 Sep 2003, Vivek Khera wrote:

> >>>>> "SC" == Sean Chittenden <[EMAIL PROTECTED]> writes:
> 
> >> I need to step in and do 2 things:
> SC> Thanks for posting that.  Let me know if you have any questions while
> SC> doing your testing.  I've found that using 16K blocks on FreeBSD
> SC> results in about an 8% speedup in writes to the database, fwiw.
> 
> Just double checking: if I do this, then I need to halve the
> parameters in postgresql.conf that involve buffers, specifically,
> max_fsm_pages and shared_buffers.  I think max_fsm_pages should be
> adjusted since the number of pages in the system overall has been
> halved.
> 
> Anything else that should be re-tuned for this?

Yes, effective_cache_size as well is measured in pgsql blocks.


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