7.11.17 -XX:[+|-]HitachiUseExplicitMemory

Description

-XX:[+|-]HitachiUseExplicitMemory specifies whether to enable the explicit memory management functionality. Note that to enable the explicit memory management functionality, we recommend that you specify the same value for -Xms and -Xmx.

Related options

• -Xms

• -Xmx

Syntax

-XX:[+|-]HitachiUseExplicitMemory

Specifiable values

Type: String

-XX:+HitachiUseExplicitMemory

Enables the explicit memory management functionality.

-XX:-HitachiUseExplicitMemory

Disables the explicit memory management functionality.

Default value

If the definition item is omitted:

-XX:-HitachiUseExplicitMemory

Notes

This option cannot be specified when the following option is specified: -XX:+UseG1GC If you specify both of these options, the following message is output to the standard output, and Java VM terminates with the return code 1.