jconsole jstack:查看线程栈信息 $ jstack18812Full thread dump OpenJDK64-Bit Server VM (11.0.24+8-post-Ubuntu-1ubuntu320.04mixed mode, sharing): Threads class SMR info: _java_thread_list=0x00007f29a4001f10, length=29, elements={0x00007f29ec017800,0x00007f29ec106000,0x00007f29ec108000,0x0...
jstack [option] executable core jstack [option] [server-id@]remote-hostname-or-ip 命令行参数选项说明如下: 1 2 -l long listings,会打印出额外的锁信息,在发生死锁时可以用jstack -l pid来观察锁持有情况 -m mixed mode,不仅会输出Java堆栈信息,还会输出C/C++堆栈信息(比如Native方法) jstack可以定位到...
Following are link our log in pastebin : -activeNN-jstack-1http://pastebin.com/zpjFwC4z -activeNN-jstack-2 http://pastebin.com/WGSeep06 -activeNN-jstack-3http://pastebin.com/0Nuj5zpW -activeNN-jstack-4 http://pastebin.com/xGj8ZpJa -activeNN-jstack-5http://pastebin.com/jCk8BVsS...
You should look at the HBase Master log to understand why it has not yet become initialized on its own. Additionally, you may have to look at a JStack of the HBase Master process to help understand why it's stuck, if that's now obvious from the log itself. Reply...
b)在JVM层面:btrace、Jconsole、JVisualVM、JMap、JStack等工具和命令; c)在Spark层面:web ui、console log,也可以修改Spark源码打印日志进行性能监控。 2)度量指标 a)从架构角度度量:浮点型操作密度、整数型操作密度、指令中断、cache命中率、TLB命中;