Greg Stark wrote: > Alvaro Herrera <[EMAIL PROTECTED]> writes: > > > An idea arising in chat with Joshua Drake: the retargetting code, if it > > turns out to work and not be excessively expensive, could also be useful > > to implement a server-side "connection pooling" of sorts: the postmaster > > could keep idle backends and retarget them to a database that receives > > an incoming connection. However, we'd also need a mechanism to clean > > all backend state previous to reusing a connection, to leave it "as > > new" (no prepared statements, WITH HOLD cursors, etc.) > > Isn't all that work pretty much exactly the main cost of starting a new > backend?
On Linux and other systems were fork() has negligible cost, maybe; but on Windows and Solaris, it's certainly not. -- Alvaro Herrera http://www.CommandPrompt.com/ The PostgreSQL Company - Command Prompt, Inc. ---------------------------(end of broadcast)--------------------------- TIP 1: if posting/reading through Usenet, please send an appropriate subscribe-nomail command to [EMAIL PROTECTED] so that your message can get through to the mailing list cleanly