java 性能优化
Eclipse IDE中设置JVM启动参数
https://blog.csdn.net/yangyong0717/article/details/78751008
eclipse 运行调优(JVM参数配置)
https://blog.csdn.net/lhooouuu/article/details/7220721
JAVA性能优化:35个小细节让你提升java代码的运行效率
https://blog.csdn.net/qq_15766297/article/details/70503222
OutOfMemoryError系列(1): Java heap space
https://blog.csdn.net/renfufei/article/details/76350794
jvisualvm