Can be employed any place to the command line, like in an argument file, to stop further more @filename enlargement. This feature stops expanding @argfiles after the choice.
Messages tagged with gc, meta, andclass aren’t be logged asclass* is ready to off. The default configuration for all other messages at amount warning is in impact except for These that include class.
The younger technology area from the heap is used for new objects. GC is performed in this region much more usually than in other regions. If the size for the young technology is just too small, then a lot of small GCs are carried out.
Because the alignment price improves, the unused space involving objects also boosts. Because of this, you may not know any Positive aspects from employing compressed pointers with big Java heap dimensions.
These java options are deprecated and is likely to be removed in a future JDK release. They’re even now approved and acted upon, but a warning is issued after they’re utilised.
Use the variety sign # in the argument file to identify feedback. All people pursuing the# are disregarded right up until the top of line.
String objects which are promoted to an old heap location ahead of this age continues to be attained are often regarded as candidates for deduplication. The default worth for this option is three. See the -XX:+UseStringDeduplication selection.
It ought to be employed only on equipment with various sockets, where by it increases the performance of Java purposes that count on concurrent operations. Just the Java HotSpot Server VM supports this selection.
Enables examining if blog the cardboard is now marked before updating the card desk. This option is disabled by default.
Sets the utmost bytecode measurement (in bytes) of a trivial process being inlined. Append the letter k or K to indicate kilobytes, m or M to point megabytes, or g or G to point gigabytes. By default, the utmost bytecode size of the trivial method is ready to six bytes:
Allows flushing on blog the code cache ahead of shutting down the compiler. This option is enabled by default. To disable flushing in the code cache right before shutting down the compiler, specify -XX:-UseCodeCacheFlushing.
Only Windows Server 2003 supports huge pages. To employ this aspect, the administrator need to initially assign added privileges to the user who’s jogging the appliance:
Optional: Validate the take a look at.Hello there application is using the course contained during the hello.jsa shared archive:
Enables printing of gathered native memory monitoring information at JVM exit when native memory monitoring is my link enabled (see -XX:NativeMemoryTracking). By default, this feature is disabled and native memory tracking information isn’t printed.