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「字节跳动」厉害！代表Java未来的ZGC深度剖析( 五 )


JDK 13

  • Increased max heap size from 4TB to 16TB
  • Support for uncommitting unused memory (JEP 351)
  • Support for -XX:SoftMaxHeapSIze
  • Support for the Linux/AArch64 platform
  • Reduced Time-To-Safepoint
JDK 12
  • Support for concurrent class unloading
  • Further pause time reductions
JDK 11
  • Initial version of ZGC
  • Does not support class unloading (using -XX:+ClassUnloading has no effect)


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