This document provides information on typical command-line options and environment variables that can affect the performance characteristics of the Java HotSpot Virtual Machine. Unless otherwise noted, all information in this document pertains to both the Java HotSpot Client VM and the Java HotSpot Server VM.
Users of JDKs older than 1.3.0 who wish to port to a Java HotSpot VM, should see Java HotSpot Equivalents of Exact VM flags. 继续阅读
A Collection of JVM Options
This document is a compilation of all the JVM options for various versions of the JVM on primarily SPARC/Solaris Platform. The descriptions for each option are taken mostly verbatim from the reference documents.
The JavaTM HotSpot VM Options page makes some good points regarding the different types of options, which should be followed when reading this document as well. To paraphrase:
- Standard options recognized by the Java HotSpot VM are described on the Java Application Launcher reference pages.
- Options that begin with -X are non-standard (not guaranteed to be supported on all VM implementations), and are subject to change without notice in subsequent releases of the Java 2 SDK.
- Because the -XX options have specific system requirements for correct operation and may require privileged access to system configuration parameters, they are not recommended for casual use. These options are also subject to change without notice.
Please submit any comments, corrections, additions to email@example.com . 继续阅读