Update and rename 44.1. System metrics to 44.1. System metrics.md

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qibaoguang 2015-03-04 22:38:38 +08:00
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### 44.1. 系统指标
Spring Boot暴露以下系统指标
- 系统内存总量mem单位:Kb
- 空闲内存数量mem.free单位:Kb
- 处理器数量processors
- 系统正常运行时间uptime单位:毫秒
- 应用上下文就是一个应用实例正常运行时间instance.uptime单位:毫秒
- 系统平均负载systemload.average
- 堆信息heapheap.committedheap.initheap.used单位:Kb
- 线程信息threadsthread.peakthead.daemon
- 类加载信息classesclasses.loadedclasses.unloaded
- 垃圾收集信息gc.xxx.count, gc.xxx.time