[EMAIL PROTECTED] (Robert Lor) writes: > For DTrace, probes can be enabled using a D script. When the probes > are not enabled, there is absolutely no performance hit whatsoever.
That seems inconceivable. In order to have a way of deciding whether or not the probes are enabled, there has *got* to be at least one instruction executed, and that can't be costless. -- output = reverse("gro.mca" "@" "enworbbc") http://www.ntlug.org/~cbbrowne/wp.html "...while I know many people who emphatically believe in reincarnation, I have never met or read one who could satisfactorily explain population growth." -- Spider Robinson ---------------------------(end of broadcast)--------------------------- TIP 3: Have you checked our extensive FAQ? http://www.postgresql.org/docs/faq