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From "Jonathan Reichhold" <reichh...@singingfish.com>
Subject Re: Which JDK to use under Linux?
Date Tue, 13 Jun 2000 17:49:28 GMT
Internal testing of an RMI vector population.  Not anything public that I've
come across to verify the information.  I'm actually looking for
justifcation to move to JDK1.3 but need good numbers to make the change.

Jonathan
----- Original Message -----
From: "Mark Pierce" <mpierce@genasys.es>
To: <tomcat-user@jakarta.apache.org>
Sent: Tuesday, June 13, 2000 10:22 AM
Subject: Re: Which JDK to use under Linux?


> 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 |
> > >
> >
+---------------------------------------------------------------------------
> > +
> > >
> >
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> > >
> > >
> >
>
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>


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