Home windows: The following instance displays how to set the heap dump file to C:/log/java/java_heapdump.log:
Sets the size in the allocated course metadata Room that triggers a garbage collection the first time it’s exceeded. This threshold for a garbage selection is enhanced or reduced depending on the amount of metadata applied. The default measurement will depend on the System.
If the argument is equivalent to 10n for integer n, then The end result is n. The computed end result should be within one ulp of the precise consequence. Benefits have to be semi-monotonic.
debug: This mode is similar to warn besides that each a warning concept along with a stack trace are issued for each illegal reflective-accessibility operation.
Shows Model info and carries on execution of the applying. This selection is such as the -version option besides that the latter instructs the JVM to exit after exhibiting Edition info.
The applications such as jcmd, jinfo, jmap, and jstack delivered Using the JDK aren’t supported when using the resources from one particular JDK Model to troubleshoot a special JDK Edition.
Sets the maximum code dimension (in bytes) for compiled procedures that ought to be inlined. Append the letter k or K to point kilobytes, m or M to indicate megabytes, or g or G to point gigabytes.
Cuts down using functioning Continued process alerts through the JVM. Shutdown hooks permit the orderly shutdown of the Java software by functioning consumer cleanup code (like closing database connections) at shutdown, even if the JVM terminates abruptly.
Logs messages tagged Along with the gc tag utilizing the trace level into a rotating file set with 5 files straight from the source with dimensions one MB with The bottom title gctrace.txt and works by using decorations uptimemillis and pid.
Should the argument is NaN or an infinity, then the result is NaN. Should the argument is zero, then the result is usually a zero While using the very same signal as being the argument.
Take note that PrintGCApplicationConcurrentTime Continue and PrintGCApplicationStoppedTime are logged on the identical tag and aren’t separated in the new logging.
Logging messages are decorated with details about the message. You'll be able to configure Each and every output to employ a personalized list of decorators.
Take note that PrintGCApplicationConcurrentTime and PrintGCApplicationStoppedTime are logged on the exact same tag and not divided in the new logging.
Only Home windows Server 2003 supports substantial web pages. To employ this feature, the administrator must initial assign extra privileges towards the consumer who’s operating the application: