-XX:[+|-]AlwaysPreTouch
This Oracle HotSpot option enables or disables the committing of memory during initial heap inflation or heap expansion.
Syntax
-XX:[+|-]AlwaysPreTouch
| Setting | Effect | Default |
|---|---|---|
-XX:+AlwaysPreTouch |
Enable | |
-XX:-AlwaysPreTouch |
Disable | yes |