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8355319: Update Manpage for Compact Object Headers (Production)

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Reviewed-by: coleenp, dholmes, phh
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Roman Kennke 2025-06-25 08:09:03 +00:00
parent 5c4f92ba9a
commit 75ce44aa84
1 changed files with 9 additions and 0 deletions
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src/java.base/share/man/java.md
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@ -1515,6 +1515,15 @@ These `java` options control the runtime behavior of the Java HotSpot VM.
This option is similar to `-Xss`.
`-XX:+UseCompactObjectHeaders`
: Enables compact object headers. By default, this option is disabled.
Enabling this option reduces memory footprint in the Java heap by
4 bytes per object (on average) and often improves performance.
The feature remains disabled by default while it continues to be evaluated.
In a future release it is expected to be enabled by default, and
eventually will be the only mode of operation.
`-XX:-UseCompressedOops`
: Disables the use of compressed pointers. By default, this option is
enabled, and compressed pointers are used. This will automatically limit