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查看page size   /usr/bin/time -v date       查看cpu和java线程的调度关系   while true; do ps -eo pid,pcpu,psr,comm | grep java; sleep 1; done 或者 while true do ps -eo pid,pcpu,psr,comm | grep java; sleep 1; done     查看内存   我的linux执行free命令显示如下:   [root@Linux /tmp]# free ...
Btrace是一个jvm probe工具,可以灵活地声明刺探点并注入刺探逻辑。它自带的samples中有非常多的例子,本文列举了从这些例子中总结出来的刺探点声明。   构造函数刺探,重载的构造函数也可以   @BTrace public class OnThrow { ...
When working with NIO, the natural question we ask is how we're going to process a particullar NIO event, which occurred on an NIO channel. Usually we have two options: process the NIO event in the current (Selector) thread or pass it to the worker thread for processing.     Worker-thread IOStrate ...
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