Jon.Masamitsu at Sun.COM
Wed Jul 11 17:58:12 UTC 2007
This initial proposal does not include the perm gen.
Andreas Sterbenz wrote:
> Jon Masamitsu wrote:
>> I'd like to propose an additional policy under a new command line
>> flag. Let me use MaximizeHeapSize for the name for now. If
>> MaximizeHeapSize is set, the VM will calculate
>> the amount of physical memory on the platform and
>> try to use that as the upper limit on the heap size. As
>> with the current GC ergonomics the upper limit will
>> be ~4g on a 32bit system. If the VM cannot actually
>> reserve that amount of space at initialization, it will
>> try reserving some smaller amounts until it succeeds. There
>> will be some minimum size (probably 64m) that it will not
>> go below.
> Does this proposal address the perm gen as well? Or will it still be
> necessary to set the size of the perm gen manually?
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