This is the default value for Java HotSpot 32-Bit Server VM, Java HotSpot 64-Bit Client VM, and Java HotSpot 64-Bit Server VM. dump Manually generate the CDS archive. Specify the application class path as described in "Setting the Class Path". You should regenerate the CDS archive with ...
Possible mode arguments for this option include the following: auto Uses CDS if possible. This is the default value for Java HotSpot 32-Bit Client VM. on Requires the use of CDS. This option prints an error message and exits if class data sharing can’t be used. Note: -Xshare:on is...
KEY `trace_id_high_2` (`trace_id_high`,`trace_id`,`span_id`) COMMENT 'for joining with zipkin_spans', KEY `trace_id_high_3` (`trace_id_high`,`trace_id`) COMMENT 'for getTraces/ByIds', KEY `endpoint_service_name` (`endpoint_service_name`) COMMENT 'for getTraces and getServic...
For instance, 8u421 will install into C:\Program Files\Java\latest\jre-1.8.0_421."C:\Program Files" will be adjusted to "C:\Program Files (x86)" for 32-bit Java.A junction will be created at C:\Program Files\Java\latest\jre-1.8. It will point to the latest JRE of the 8 ...
Add bit32 library Add explicit Globals object to manage global state, especially to imrpove thread safety Drop support for lua source to java surce (lua2java) in favor of direct java bytecode output (luajc) Remove compatibility functions like table.getn(), table.maxn(), table.foreach...
Add bit32 library Add explicit Globals object to manage global state, especially to imrpove thread safety Drop support for lua source to java surce (lua2java) in favor of direct java bytecode output (luajc) Remove compatibility functions like table.getn(), table.maxn(), table.foreach...
Users get great debugging and serviceability, and readable stack traces. And threads are natural units of scheduling for OSes. We want to retain these advantages. The problem is that the implementation of threads by the OS is too heavyweight. It takes too long to start a thread for each ...
The change is applicable to 32 bit and 64 bit Windows platforms. See Uninstalling the JRE.JRE Installation DirectoryStarting with JDK 8u20 release, the JRE will be installed in a version specific directory. For example:The version specific directory naming is intentional and it does not indicate...
6653795 hotspot compiler C2 intrinsic for Unsafe.getAddress performs pointer sign extension on 32-bit systems 8002074 hotspot compiler Support for AES on SPARC 8003854 hotspot compiler PPC64 (part 115): expand nodes after register allocation
在JDK 1.5中,java.lang.Thread类新增了一个getAllStackTraces()方法用于获取虚拟机中所有线程的StackTraceElement对象。使用这个方法可以通过简单的几行代码就完成jstack的大部分功能,在实际项目中不妨调用这个方法做个管理员页面,可以随时使用浏览器来查看线程堆栈 ...