RFR: 8186248 - Allow more flexibility in selecting Heap % of available RAM

[Bob Vandette]

I saw that but wasn't sure it needed the added flexibility since its probably ok that initial sizes are 50% or less. 

Bob.


> On Aug 16, 2017, at 5:04 PM, David Holmes <david.holmes at oracle.com> wrote:
> 
> Hi Bob,
> 
>> On 17/08/2017 3:32 AM, Bob Vandette wrote:
>> Please review this simple two line fix which allows more flexibility in selecting the % of system RAM
>> to be used by the Heap.  This just changes two int variables to doubles.
>> RFE:
>> https://bugs.openjdk.java.net/browse/JDK-8186248 <https://bugs.openjdk.java.net/browse/JDK-8186248>
>> Webrev:
>> http://cr.openjdk.java.net/~bobv/8186248 <http://cr.openjdk.java.net/~bobv/8186248>
> 
> Wouldn't you also want/need to change the type of InitialRAMFraction?
> 
> Note: jdk10/hs is currently closed to changes as we prepare to push up to jdk10/jdk10.
> 
> Thanks,
> David
> 
>> Bob.