dev@glassfish.java.net

Re: Changes to VM tuning.

From: Binod <Binod.Pg_at_Sun.COM>
Date: Fri, 20 Jul 2007 14:24:23 +0530

Alexis Moussine-Pouchkine wrote:
> So 2GB/2-core laptops will use the -server option, correct?
I checked with Scott. He told me that it is considered client-class and
so, it will be using -client option.
> Do we know what the typical startup different time is between
> -client and -server?
Dont know exactly. But changing it to -server make a huge difference
to runtime performance.

thanks,
Binod.
> thanks,
> -Alexis
>
> 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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