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Xss Default Value ?

JDK 1.8.0_152

Windows 10

> jinfo -flag ThreadStackSize PID
-XX:ThreadStackSize=0

> java -XX:+PrintFlagsFinal -version | findstr ThreadStackSize
     intx CompilerThreadStackSize                   = 0                                   {pd product}
     intx ThreadStackSize                           = 0                                   {pd product}
     intx VMThreadStackSize                         = 0                                   {pd product}

Ubuntu 20.04

$ jinfo -flag ThreadStackSize PID
-XX:ThreadStackSize=1024

$ java -XX:+PrintFlagsFinal -version | grep ThreadStackSize
     intx CompilerThreadStackSize                  = 1024                                   {pd product} {default}
     intx ThreadStackSize                          = 1024                                   {pd product} {default}
     intx VMThreadStackSize                        = 1024                                   {pd product} {default}

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Official Document

• https://docs.oracle.com/javase/8/docs/technotes/tools/unix/java.html
• https://docs.oracle.com/en/java/javase/11/tools/java.html#GUID-3B1CE181-CD30-4178-9602-230B800D4FAE

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