Dne 27.6.2011 17:01, Jenish napsal(a):
> Hi,
>
> DB : POSTGRES 8.4.8
> OS : Debian
> HD : SAS 10k rpm
>
> Shared_buffer is 4096 25 % of RAM , effective_cache is 8GB 75% of RAM
How much data are we talking about? Does that fit into the shared
buffers or is it significantly larger? Do the triggers touch the whole
database or just a small part of it (active part)?
regards
Tomas