--- Frank Bax <fbax@sympatico.ca> wrote:
> At 02:53 PM 1/4/06, Sean Davis wrote:
>
>
>
>
> >On 1/4/06 2:40 PM, "Kevin Crenshaw"
> <kcrenshaw@viscient.com> wrote:
> >
> > > Roland,
> > >
> > > I wanted to reply to your post separately. I
> toyed with using pg_user to
> > > store user information, but it did not work. I
> tried to use pg_user to
> > > store user acct info and then use a
> 'user_detail' table to store additional
> > > details but I got an error stating that pg_user
> is not a table (this
> > > occurred when I tried to use the 'usesysid'
> column as a foreign key in my
> > > user_detail table).
> > >
> > > I think that the best solution - given the
> discussion thus far - is to
> > have
> > > a separate pg user that the web app will use to
> access the database, and
> > > create a 'users' table in the db to store the
> web app usernames and
> > > passwords etc...
> >
> >This hasn't been mentioned yet (and probably isn't
> that important for all
> >but the most demanding web apps), but one way to
> significantly speed up web
> >apps is to use persistent database connections
> (they are not closed after
> >each request). This is not really feasible with a
> multiple-db-user setup.
>
>
> NOT TRUE. To be correct, your statement must be a
> bit longer. The
> connections are not closed after each request within
> each child process of
> the web server. If you run apache and there are 100
> child processes, there
> can be up to 100 open "persistent" database
> connections. In many cases
> where database and webserver are on the same box
> there is little time
> difference between persistent and non-persistent
> connections; but in
> general there are many variables and each host
> should do their own timing
> tests.
Frank, am i correct to infer that "In many cases where
database and webserver are on the same box there is
little time difference..." means that there can be
more speed improvement when the web server and the db
are on different hardware?
tia...
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