-XX:[+|-]HitachiUseExplicitMemory (Explicit Memory Management functionality option)

Format

-XX:+HitachiUseExplicitMemory
This option enables the Explicit Memory Management functionality.
-XX:-HitachiUseExplicitMemory
This option disables the Explicit Memory Management functionality.

Description

Specify whether to enable or disable the Explicit Memory Management function. Note that to enable the Explicit Memory Management function, Hitachi recommends that you specify the same value for -Xms and -Xmx.

Default value
  • -XX:-HitachiUseExplicitMemory
Related option
  • -Xms
  • -Xmx

Precautions

If the -XX:+UseParNewGC option is specified, you cannot specify this option. If specified concurrently with the -XX:+UseParNewGC option, a message is output to standard output and JavaVM terminates with the return code 1.