"Domenico Sgarbossa" <domenico(at)xtecnica(dot)com> writes:
> Thanks for your advice!
>
> It seems that the cached memory isn't released by the system... so the
> system begin to swap to disk!
If you really think this is true, there should be a process that is
holding on to the memory. Use 'ps' to find that process.
I also noticed that your shared_buffers setting seemed a bit low--you
might want to increase it.
-Doug