thread-local-allocation-buffers
https://www.azul.com/files/Whats-inside-a-JVM-webinar-presentation.pdf
https://www.zhihu.com/question/56538259/answer/149400767
https://www.zhihu.com/people/rednaxelafx/answers
http://openjdk.java.net/groups/hotspot/docs/StorageManagement.html
http://mail.openjdk.java.net/pipermail/hotspot-compiler-dev/2012-September/008524.html