windows memory page/sec笔记

http://www.grumpyolddba.co.uk/monitoring/Performance%20Counter%20Guidance%20-%20Windows%20Server.htm

首先Memory Pages/Sec是windows Server - Performance Counter中的一个。

描述是这样的:系统为了解决hard page faults每秒从硬盘读写的page数。

这个指标能表现出大部分系统延时(变慢)的主要原因(内存问题)。

而什么是hard page fault呢?

Hard page faults occur when the page is not located in physical memory or a memory-mapped file created by the process。http://blogs.technet.com/b/askperf/archive/2008/06/10/the-basics-of-page-faults.aspx

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