Displays Variation information after which exits. This feature is reminiscent of the -showversion option except which the latter doesn’t instruct the JVM to exit soon after displaying Variation information.
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Linux only: This feature could be the equivalent of specifying -XX:+UseLargePages. This option is disabled by default. This option pre-allocates all significant webpages up-entrance, when memory is reserved; consequently the JVM can’t dynamically develop or shrink substantial webpages memory places; see -XX:UseTransparentHugePages If you would like this habits.
Specifies the delay amongst the Java application launch time and the beginning from the recording. Append s to specify the time in seconds, m for minutes, h for hours, or d for days (such as, specifying 10m implies ten minutes). By default, there’s no hold off, and this parameter is ready to 0.
The argument file will have to incorporate only ASCII people or figures in program default encoding that’s ASCII helpful, which include UTF-eight.
One example is, it can be done to have a path with an area, such as c:Plan Information which might be specified as possibly "c:Plan Information" or, to prevent an escape, c:Plan" "Information.
An open up quotation stops at conclude-of-line Except if is the last character, which then joins another line by removing all leading white House figures.
Permits touching of every website page on the Java heap throughout JVM initialization. This will get all webpages into memory just before entering the key() strategy.
Specifies the title of my sources the Original module to solve and, if it isn’t specified from the module, then specifies the identify from the mainclass to execute. Made use of only Together with the -m or --module possibility. See Common Selections for Java.
Logs messages tagged with the gc tag applying information degree to stdout. The default configuration for all other messages at stage warning is in effect.
By default, this option is disabled as well as collector is selected immediately depending on the configuration with the device and sort of the JVM. In JDK nine, the CMS garbage collector is deprecated.
Sets the First code cache sizing (in bytes). Append anonymous the letter k or K to point kilobytes, m or M to point megabytes, or g or G visit the website to point gigabytes.
S=Y/(R+two) The 2 within the equation denotes two survivor Areas. The much larger the value specified as the Original survivor Room ratio, the smaller sized the Original survivor space size.
Allows printing of gathered native memory monitoring information at JVM exit when native memory tracking is enabled (see -XX:NativeMemoryTracking). By default, this feature is disabled and native memory tracking details isn’t printed.