Please review fix for 7196103: NPG: Unable to allocate bit map for parallel garbage collection for the requested heap size
coleen.phillimore at oracle.com
Fri Sep 7 09:42:30 PDT 2012
On 9/7/2012 12:30 PM, Vladimir Kozlov wrote:
> // 100,000 classes seems like a good size, so 100M assumes around
> 100 bytes
> 100Mb/100000 = 1Kb, not 100 bytes :)
oh, yeah, there's a missing zero.
> Otherwise looks good.
> Coleen Phillimore wrote:
>> Please reload. I incorporated some suggestions and corrections from
>> stefank and did some tuning of the class metaspace size.
>> On 9/7/2012 7:22 AM, Coleen Phillimore wrote:
>>> Summary: Don't allocate huge class metaspace size by default on x64
>>> This was preventing other mmap regions from being initialized on
>>> windows 64. I also added some checking around the
>>> ClassMetaspaceSize option. 1*M seems to be minimal for startup size
>>> open webrev at http://cr.openjdk.java.net/~coleenp/7196103/
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