Java
new String(abc)JVM(64JDK748B,64B) ~JavaHeade
JVM
crashcoredumpJVM
GC CPU
JVM
LINUXLINUS
LINUXLinus ,?
Young GC FinalReference
18 18 Young GC
JVM
MATMAT Sun, HP, SAP HPROF IBM
JVM线
Memory LeakJa
JVMFinalReference()
JAVASoftReferenceWeakReferencePhantomReferenceFinalRe
ZGC
GCCMSG1GCYoung GCOld GC FGCZGCYoung
GC
OLTPJVMGCGC
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