When a client using a DRbObject, does it costs server's resource
(CPU, memory)?
again...
Rules of Optimization: Rule 1: Don't do it. Rule 2 (for experts
only): Don't do it yet. - M.A. Jackson
"More computing sins are committed in the name of efficiency (without
necessarily achieving it) than for any other single reason -
including blind stupidity." - W.A. Wulf
"We should forget about small efficiencies, say about 97% of the
time: premature optimization is the root of all evil." - Donald Knuth
"Optimization hinders evolution." - Anon.