RFR: 8200228: Change default value of HeapSizePerGCThread

Stefan Johansson stefan.johansson at oracle.com
Tue Apr 10 14:51:51 UTC 2018


Thanks Aleksey and Jesper :)

Cheers,
Stefan

On 2018-04-10 15:18, Aleksey Shipilev wrote:
> This change is fine with me. Count me as Reviewer.
> 
> -Aleksey
> 
> On 04/10/2018 01:43 PM, Stefan Johansson wrote:
>> CSR is now approved. Do I need a second reviewer for this default value change?
>>
>> Stefan
>>
>> On 2018-03-29 10:52, Stefan Johansson wrote:
>>> I've now created a CSR as well:
>>> https://bugs.openjdk.java.net/browse/JDK-8200417
>>>
>>> Please have a look at it and add yourself as a reviewer if everything looks good.
>>>
>>> Thanks,
>>> Stefan
>>>
>>> On 2018-03-28 15:52, Stefan Johansson wrote:
>>>> Hi,
>>>>
>>>> Please review this change of the default value for HeapSizePerGCThread.
>>>>
>>>> Links
>>>> JBS: https://bugs.openjdk.java.net/browse/JDK-8200228
>>>> Webrev: http://cr.openjdk.java.net/~sjohanss/8200228/00/
>>>>
>>>> Summary
>>>> My testing shows that for DaCapo, SpecJVM98 and GCBasher (gc intensive stress test) with small
>>>> heaps we get better pause times with the flag set to 32M. There might be other arguments, such as
>>>> not using to much resources on small systems that might also be important so please let me know
>>>> if you have reasons why the flag should be left unchanged.
>>>>
>>>> Thanks,
>>>> Stefan
>>>>
>>>
> 


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