dev@glassfish.java.net

Re: Changes to VM tuning.

From: Kedar Mhaswade <Kedar.Mhaswade_at_Sun.COM>
Date: Fri, 20 Jul 2007 06:27:22 -0700

Also, please see issue tracker issue # 2884 that asks for this fix.

Kedar

Alexis Moussine-Pouchkine wrote:
> thanks Binod for the clarification.
> -Alexis
>
> Binod wrote:
>> 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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