java大对象引发的频繁full gc及cpu飙高的调优历程

问题描述 linux系统，执行top命令 -bash-4.2# top top - 08:57:47 up 147 days, 23:08,  2 users,  load average: 67.32, 60.83, 58.97 Tasks: 1310 total,   2 running, 1307 sleeping,   0 stopped,   1 zombie %Cpu(s): 48.9

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