This chapter describes important options that control the runtime behavior of the HotSpot VM.
Note:
Some of the tools described in this document require a commercial license for use in production. To learn more about commercial features and how to enable them, seehttp://www.oracle.com/technetwork/java/javaseproducts/
.The following table lists some important equivalent options of the runtime subsystem in Oracle JRockit and HotSpot.
Oracle JRockit | HotSpot | Note |
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In HotSpot VM, this option is ON by default on Solaris. On Linux, this has been disabled since 7u60 and 8. Use It must be noted that |
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Sets the maximum size (in bytes) for large pages used for Java heap. By default, the size is set to 0, meaning that the JVM chooses the size for large pages automatically. |
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Use of compressed oops is the default for 64-bit HotSpot JVM processes when |