Jvm gc, new generation, old generation

 

JVM heap:

• New Generation

Young = Eden + worker vor; worker vor = S0 + S1. The method stack in JVM also takes precedence over the tlab (Thread Local allocation buffer) on Eden ).

• Old Generation

Perm:

 

Garbage collection method:

• Copy)
• Mark-sweep)
• Mark-compact)

 

Jdk gc Mechanism

 

 

Learning:

Http://blog.csdn.net/jollyant/article/details/5647141

Http://wenku.baidu.com/view/c3fd52d376eeaeaad1f33005.html

Http://blog.csdn.net/zhangren07/article/details/6270895

Http://blog.csdn.net/cutesource/article/details/5906705

Http://www.linuxidc.com/Linux/2011-05/36506.htm

 

Thoughts:

Parallel vs. Concurrency