tomcat-users mailing list archives

Site index · List index
Message view « Date » · « Thread »
Top « Date » · « Thread »
From Mark Pierce <mpie...@genasys.es>
Subject Re: Which JDK to use under Linux?
Date Tue, 13 Jun 2000 17:22:51 GMT
Hello Jonathan,

Where did you see the performance numbers. I'm in a similar position.

Mark


Jonathan Reichhold wrote:

> But you don't have to use the database on the same box as the web server.
>
> If it is the number of connections then you should consider using a
> connection pool and limiting the max size of the pool.  The other thought is
> to verify that each connection is being closed on correctly in your code.
>
> I'm using the Oracle thin drivers (version 8.1.6)  I'm currently using the
> Blackdown JDK 1.2.2 but may move to the beta of 1.3 from Sun (seen some
> intersting performance numbers that might justify the move)
>
> Jonathan
> ----- Original Message -----
> From: "Christoph Kulla" <kulla@metabox.de>
> To: <tomcat-user@jakarta.apache.org>
> Sent: Tuesday, June 13, 2000 9:35 AM
> Subject: Re: Which JDK to use under Linux?
>
> > Hi,
> >
> > Jonathan Reichhold wrote:
> > >
> > > This sounds like the connections aren't being freed in oracle.  Look at
> the
> > > number of open connections in Oracle when things slow down.  I'd wager
> that
> > > you have a large number of connections open at this point.  I had a
> similar
> > > problem with an Oracle box that killed all kinds of processes on the
> box.
> > > Oracle uses a large amount of system resources for each connection.  I
> could
> > > be wrong, but it is worth checking to see if the problem is Oracle and
> not
> > > Tomcat.  Tomcat is actually holding up quite well under a heavy load
> that
> > > I'm putting on it.
> > >
> >
> > Hm, but we have to use an oracle database. Are there any other JDBC
> Drivers
> > for Oracle?
> >
> > By the way, which JDK do you use?
> >
> > Regards
> >
> > Christoph
> >
> > --
> >
> +---------------------------------------------------------------------------
> +
> > | Dipl.-Inf. Christoph Kulla
> mailto:kulla@metabox.de |
> > | Met@box AG
> http://www.metabox.de |
> > | Daimlerring 37
> |
> > | 31135 Hildesheim             Phone: +49-5121-7533-0  |
> > | Germany                                             Fax:
> +49-5121-7533-78 |
> >
> +---------------------------------------------------------------------------
> +
> >
> > --------------------------------------------------------------------------
> > To unsubscribe, email: tomcat-user-unsubscribe@jakarta.apache.org
> > For additional commmands, email: tomcat-user-help@jakarta.apache.org
> >
> >
>
> --------------------------------------------------------------------------
> To unsubscribe, email: tomcat-user-unsubscribe@jakarta.apache.org
> For additional commmands, email: tomcat-user-help@jakarta.apache.org

Mime
View raw message