Re: Connection String - Mailing list pgsql-jdbc

From Nikola Milutinovic
Subject Re: Connection String
Date
Msg-id 20060308164640.38784.qmail@web54709.mail.yahoo.com
Whole thread Raw
In response to Connection String  ("Rajeev Menon" <rajeev.menon.b@gmail.com>)
List pgsql-jdbc
--- Rajeev Menon <rajeev.menon.b@gmail.com> wrote:

> Hi,
>
> Thanks for the reply.
>
> I have been monitoring the connections and at any point there does not seem
> to be more than 15 connections open...i have seen the speed drop even when
> 2-3 connections are open.
>
>
> On 3/8/06, Nikola Milutinovic <alokin1@yahoo.com> wrote:
> >
> > --- Rajeev Menon <rajeev.menon.b@gmail.com> wrote:
> >
> > > of the time the After Connection also come but occassionaly it just
> > shows a
> > > B4 connection line and waits and in the meantime as more and more users
> > > login more and more B4 connections come up and suddenly the connecion is
> > re
> > > established. Could somone help because this is slowin down the system
> >
> > Could it be that you are not closing connections?
> >
> > There is always a limit as to how many connections can be opened on the
> > server,
> > configurable, of course, but finite. Connections that are left hanging
> > could
> > have a close-if-idle behaviour, I'm not sure. Usually people complain that
> > they
> > cannot access DB after a while, if they are leaking connections. Or
> > perhaps
> > you're just droping them and JVM's garbage collector is kicking in from
> > time to
> > time, closing GCed connections.
> >
> > I'd sugest setting up a connection pool, Tomcat's DBCP is very
> > configurable,
> > even in the sense of lost connections, see it's "idle*" parameters.
> >
> > How many connections do you have to the server, when the slowdown occurs?

This is puzzling. With such low connection count, I can see no good reason for
this delay. Is there anything in the server logs?

Nix.

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