hotspot-gc-use Digest, Vol 46, Issue 9

[Guy Korland]

Thanks for the answer, is there any chance you can also help with my other
question?
Is there a way with as with cms to control the "occupancy"?

Thanks,
Guy


> ---
> Date: Tue, 27 Dec 2011 14:06:53 -0800
> From: Jon Masamitsu <jon.masamitsu at oracle.com>
> Subject: Re: Turning off generational GC
> To: hotspot-gc-use at openjdk.java.net
> Message-ID: <4EFA417D.4070009 at oracle.com>
> Content-Type: text/plain; charset="iso-8859-1"
>
> For the hotspot garbage collectors the short answer is "no" there is no
> way to
> turn off generational GC.  I think it's even pretty deeply entrenched in
> G1 which
> is only logically generational.
>
> If CMS were not generational, in the best cause you would see pauses
> on the order of 20ms.  Maybe much larger although less frequent.
> More likely would be concurrent mode failures which would lead to
> full GC's.
>
>
> On 12/27/2011 1:20 PM, Guy Korland wrote:
>> Hi,
>>
>> I hope this is the right forum for this.
>> It seems like no matter how small we set the young generation, it take
more
>> than 20ms.
>> Is there a way turn off generational GC, especially in CMS?
>>
>> Thanks,
>> Guy
>>
>>
>>
>> _______________________________________________
>> hotspot-gc-use mailing list
>> hotspot-gc-use at openjdk.java.net
>> http://mail.openjdk.java.net/mailman/listinfo/hotspot-gc-use
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-- 
Regards,
Guy Korland
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