"NSO" <nso(at)fmf(dot)vtu(dot)lt> writes:
> Yes, I can understand that, but then why the same app on the server
> machine is done in 4 seconds? (big difference from 20-30 seconds).
That would suggest a networking problem, which is a bit outside my
expertise. If the client machine is running Windows, we have seen
problems of that sort before from (IIRC) various third-party add-ons
that fool around with networking behavior. Try searching the archives.
regards, tom lane