| From: | Bruce Momjian <pgman(at)candle(dot)pha(dot)pa(dot)us> |
|---|---|
| To: | Steve Wolfe <steve(at)iboats(dot)com> |
| Cc: | PostgreSQL-development <pgsql-hackers(at)postgresql(dot)org> |
| Subject: | Re: Pre-forking backend |
| Date: | 2001-10-01 02:50:17 |
| Message-ID: | 200110010250.f912oIT13728@candle.pha.pa.us |
| Views: | Raw Message | Whole Thread | Download mbox | Resend email |
| Thread: | |
| 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(at)candle(dot)pha(dot)pa(dot)us | (610) 853-3000
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