JEP 122: Remove the Permanent Generation

Summary Remove the permanent generation from the Hotspot JVM and thus the need to tune the size of the permanent generation. Non-Goals Extending Class Data Sharing to application classes. Reducing the memory needed for class metadata. Enabling asynchronous collection of class metadata. Success Metrics Class metadata, interned Strings and class static variables will be moved from the permanent gene

[nilab]

JEP 122: Remove the Permanent Generation : "Remove the permanent generation from the Hotspot JVM and thus the need to tune the size of the permanent generation." Java 8

[ryouzo]

HotRockitってやつだな。

[nobusue]

PermGenはなくなりました

[knjname]

これ

[YuichiTanaka]

java8からpermanent領域がなくなるらしい。

[yyamano]

The proposed implementation will allocate class meta-data in native memory and move interned Strings and class statics to the Java heap. Hotspot will explicitly allocate and free the native memory for the class meta-data.

[rjj]

HotSpotとJRockitを統合する都合上、permanent領域を無くすと。