Re: Pre-forking backend
Bruce Momjian <pgman@candle.pha.pa.us>
From: Bruce Momjian <pgman@candle.pha.pa.us>
To: Steve Wolfe <steve@iboats.com>
Cc: PostgreSQL-development <pgsql-hackers@postgresql.org>
Date: 2001-10-01T02:50:17Z
Lists: pgsql-hackers
> > > > > > How hard would it be to pre-fork an extra backend for the database a > > > user just requested so if they next user asks for the same database, the > > > backend would already be started? > > Perhaps I'm missing something, but it seems to me that the cost of forking > a new backend would be pretty trivial compared to the expense of processing > anything but the most simple query. Am I wrong in that? True on most OS's, but on Solaris, fork is pretty expensive, or at least we are told. -- Bruce Momjian | http://candle.pha.pa.us pgman@candle.pha.pa.us | (610) 853-3000 + If your life is a hard drive, | 830 Blythe Avenue + Christ can be your backup. | Drexel Hill, Pennsylvania 19026