king019
king019

  • jvm cmd

    Java Platform, Standard Edition Tools Reference jps jstat class: Displays statistics about the behavior of the class loader. compiler: Di...

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  • collection

    set 类 LinkedHashSet HashSet TreeSet ConcurrentSkipListSet CopyOnWriteArraySet 构造参数 16,0.75 16,0.75 ddd eee ...

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  • jvm

    jvm 调试 -Xdebug -Xnoagent -Djava.compiler=NONE -Xrunjdwp:transport=dt_socket,address=端口号,server=y,suspend=n 请问JVM远程调试的配置中为什么要配置-Djava.compiler=NO...

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  • map

    ...

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  • cms_log

    http://www.cnblogs.com/zhangxiaoguang/p/5792468.html JVM调优——之CMS GC日志分析 最近在学习JVM和GC调优,今天总结下CMS的一些特点和要点,让我们先简单的看下整个堆年轻代和年老代的垃圾收集器组合（以下配合jav...

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  • lock sychronized

    lock区别 名称 相同点 不通点 lock 需要手工释放锁/可中断/公平锁/condition/等待时间 sychronized 修饰代码块/方法/类 一.什么是sychronized sychron...

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  • java hang 住了

    1 2 http://vearne.cc/archives/297 程序HANG住的问题的追踪 1 2 3 4 5 6 7 8 1 查找对应的进程id--> pid 2 ps -m...

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  • java oom

    oom 什么是java OOM？如何分析及解决oom问题？ 最近查找了很多关于OOM，甚至于Java内存管理以及JVM的相关资料，发现这方面的东西太多了，竟有一种眼花缭乱的感觉，要想了解全面的话，恐非一篇文章能说清的，因此按照自己的理解整理了一篇，剩下的还需要继续学习。 1）什么是OO...

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  • java oom over

    参考 1 2 3 4 https://blog.csdn.net/varyall/article/details/86514888 https://zhidao.baidu.com/question/134839562647456285.html ...

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  • java oom over

    https://blog.csdn.net/dakaniu/article/details/80751456 https://blog.csdn.net/u012516166/article/details/77014910 https://www.jianshu.com/p/9...

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