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Logs messages tagged with not less than the gc and meta tags applying thetrace amount to your file metatrace.txt but turns off all messages tagged with class.
Logging can also be managed at run time by Diagnostic Instructions (with the jcmd utility). Anything that can be specified about the command line can also be specified dynamically with the VM.
Permits installation of signal handlers by the application. By default, this option is disabled and the applying isn’t allowed to set up signal handlers.
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Use the quantity indication # in the argument file to identify reviews. All figures subsequent the# are disregarded right up until the top of line.
Supplemental at sign @ prefixes to @ prefixed choices act as an escape, (the first @ is taken off and the remainder of the arguments are offered into the launcher basically).
Specifies whether thread sampling is enabled. Thread sampling happens only if the sampling event is enabled together with this parameter. By default, this parameter is enabled.
The Highly developed selections aren’t advised for informal use. These are generally developer options utilized for tuning certain regions of the Java HotSpot Virtual Device Procedure That always have specific procedure necessities and will have to have privileged entry special info to procedure configuration parameters.
Sets the move sizing (in bytes) for sequential prefetch Recommendations. Append the letter k or K to point kilobytes, m or M to point megabytes, g or G to indicate gigabytes. By default, the step measurement is about to sixteen bytes:
Supplies unified Charge of initial compilation. This option controls when techniques are initially compiled for equally the tiered as well as nontiered modes of Procedure. The CompileThresholdScaling possibility has an integer price involving 0 and +Inf and scales the thresholds similar to The present mode of Procedure (the two tiered and nontiered).
Hundreds the native agent library specified by absolutely the path identify. This feature is akin to -agentlib but employs the entire path and file title with the library.
Differing kinds of data can’t be mixed. Various divided info sections for the same style find more specified by distinct @Area are allowed within one shared_config_file .
Turns off all logging and clears all configuration with the logging framework such as the default configuration for warnings and glitches.