dev@glassfish.java.net

Re: Changes to VM tuning.

From: Lloyd L Chambers <Lloyd.Chambers_at_Sun.COM>
Date: Fri, 20 Jul 2007 13:47:30 -0700

What's a "server class machine"? How/when are the two distinguished?

For example, is a 3GHz quad-core Mac OS X box a "client class"
machine and a Solaris 1.4 GHz dual-core machine "server class"? What
is the logic (or lack of it)?

On Jul 20, 2007, at 1:37 AM, Binod wrote:

>
> Hi everyone,
>
> Heads up regarding some changes to default JVM options for glassfish.
> I am planning to do the check-in in next couple of days.
>
> We are removing the default -client option from the developer profile
> domain.xml. That means that in server class machines glassfish
> will be
> starting with -server VM (tuned for runtime performance and not
> startup).
>
> When VM is server, QuickStartup also will be switched off as the
> intention is to tune for runtime performance in server-class machines
> and not startup.
>
> In client-class machines the current behaviour will continue as the
> JDK
> will pick -client as the default VM.
>
> thanks,
> Binod.
>
>
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