MinHeapFreeRatio = 40
MaxHeapFreeRatio = 70
MaxHeapSize = 32212254720 (30720.0MB)
NewSize = 1570308096 (1497.5625MB)
MaxNewSize = 1570308096 (1497.5625MB)
OldSize = 30641946624 (29222.4375MB)
NewRatio = 2
SurvivorRatio = 8
MetaspaceSize = 21807104 (20.796875MB)
CompressedClassSpaceSize = 1073741824 (1024.0MB)
MaxMetaspaceSize = 17592186044415 MB
G1HeapRegionSize = 0 (0.0MB)就修改了Xmx Xms 为30G。
这里的newSize 和 oldSize跟 newRatio不匹配，这个参数是在哪里配置的。 这么设置的根据又是什么
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