Re: Very poor performance

On 18/08/10 06:19, Kevin Grittner wrote:
>
>
> Since you haven't set effective_cache_size, you're discouraging some
> types of plans which might be worth considering.  This should
> normally be set to the sum of your shared_buffers setting and
> whatever is cached by the OS; try setting effective_cache_size to
> 15MB.  Speaking of shared_buffers, are you really at the default for
> that, too?  If so, try setting it to somewhere between 1GB and 4GB.
> (I would test at 1, 2, and 4 if possible, since the best setting is
> dependent on workload.)
>
>
>

Kevin - I'm guessing you meant to suggest setting effective_cache_size
to 15GB (not 15MB)....

Cheers

Mark