https://blog.csdn.net/u012846795/article/details/106654717?utm_medium=distribute.pc_aggpage_search_result.none-task-blog-2~all~sobaiduend~default-1-106654717.nonecase&utm_term=cpu%E9%AB%98%20gc%20%E4%B8%8D%E5%81%9Cyoung&spm=1000.2123.3001.4430
https://cloud.tencent.com/developer/article/1586941
