"Marc G. Fournier" <[EMAIL PROTECTED]> writes: > 'K, now, I know we acquire all our shared_buffers on startup now ... do we > do the same with semaphores?
Yes. > If we do acquire at the start, would it not be trivial to add a message to > the startup messages, based on #_of_semaphores != max_connections, that > tells ppl that spinlocks aren't being used? The code already knows whether it's compiled to use spinlocks or not, it hardly needs to test that way ;-). I thought you were asking how to double-check a system that's live today. I prefer Bruce's idea of a configure-time warning, myself. regards, tom lane ---------------------------(end of broadcast)--------------------------- TIP 5: Have you checked our extensive FAQ? http://www.postgresql.org/docs/faqs/FAQ.html