轮子项目JVM 的相关内容

文章 2023-11-15 来自：开发者社区

微服务轮子项目（50） -JVM 分析工具详解（下）

2.4.9 -gcold统计旧生代的行为$ jstat -gcold 28920 PC PU OC OU YGC FGC FGCT GCT 1048576.0 46561.7 6291456.0 0.0 4 0 0.000 0.2422.4.10 -gcol...

文章 2023-11-15 来自：开发者社区

微服务轮子项目（50） -JVM 分析工具详解（上）

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文章 2023-11-15 来自：开发者社区

微服务轮子项目（49） -常见JVM内存错误及解决方案

1. Java heap space当堆内存（Heap Space）没有足够空间存放新创建的对象时，就会抛出 java.lang.OutOfMemoryError: Java heap space 错误（根据实际生产经验，可以对程序日志中的 OutOfMemoryError 配置关键字告警，一经发现，...

文章 2023-11-15 来自：开发者社区

微服务轮子项目（48） -JVM性能调优

1. JVM和系统调用之间的关系方法区和堆是所有线程共享的内存区域；而java栈、本地方法栈和程序计数器是运行是线程私有的内存区域。2. JVM常用内存设置jdk1.8后prmSize替换为metaspaceSize3. 垃圾回收机制优先在Eden区分配。当Eden区没有足够空间分配时, VM发起一次Minor GC，将Eden区和其中一块Survivor区内尚存活的...

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