RFR: 8200228: Change default value of HeapSizePerGCThread

[Stefan Johansson]

Thanks for the review Thomas,
Stefan

On 2018-03-28 16:07, Thomas Schatzl wrote:
> Hi,
>
> On Wed, 2018-03-28 at 15:52 +0200, 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.
>    looks good.
>
> Thomas
>