performance-counters

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Performance Monitor3:监控SQL Server的内存压力

SQL Server 使用的资源受到操作系统的调度,同时,SQL Server在内部实现了一套调度算法,用于管理从操作系统获取的资源,主要是对内存和CPU资源的调度.一个好的数据库系统,必定在内存中缓存足够多的信息,以减少从物理硬盘中读取数据的次数:如果内存是系统瓶颈,那么SQL Server一定会运行的非常慢.监控SQL Server的内存压力,需要从Widnows级别上,对内存使用的整体使用情况进行监控:从SQL Server级别上,监控SQL Server对内存资源的使用情况. 一,从Wi

超级简单实用的.NET性能调试工具-----ANTS Performance Profiler

艺术字做到后期,性能成了一个比较大的瓶颈,优化性能的过程中接触了一些.NET性能调试工具,最喜欢的是ANTS Performance Profiler,操作简单,功能也跟我期望的差不多. ANTS Performance Profiler是出自大名鼎鼎的Red Gate,很多人使用过的.NET Reflector就是出自此公司,该公司还出品其他产品,具体请戳http://www.red-gate.com/products/.ANTS Performance Profiler支持.NET平台所有语

Performance Monitor Usage2:Peformance Counter

Performance Counter 是量化系统状态或活动的一个数值,对于不同的监控目的,需要设置不同的Performance Counter. Performance counters   are measurements of system state or activity. They can be included in the operating system or can be part of individual applications. Windows Performance

Performance Monitor Usage8:An Practice

Performance Monitor provides a visual display of built-in Windows performance counters, either in real time or as a way to review historical data. You can add performance counters to Performance Monitor by dragging and dropping, or by creating custom

Performance Counter Usage1:HardDisk Performance

Disk performance Counter 分为两部分:PhysicalDisk and LogicalDisk. The PhysicalDisk object is used for the analysis of the overall disk, despite the partitions that may be on the disk. When evaluating overall disk performance this would be the one to selec

The Accidental DBA:Troubleshooting Performance

最近重新翻看The Accidental DBA,将Troubleshooting Performance部分稍作整理,方便以后查阅.一.Baselines 网友提供的性能基线的含义:每天使用windows性能计数器定时(周期为一个月,具体需要根据自己的需求)收集服务器硬件信息,然后对硬件信息进行分析统计,计算平均值.最大值.最小值,用来与之后每天硬件信息进行比较,从而快速的估算服务器硬件状态. 之前对基线的理解一直停留在使用Perfmon收集几个计数器,然后拿收集到的数值和网上推荐的数值进行对

转贴---Performance Counter(包含最全的Windows计数器解释)

http://support.smartbear.com/viewarticle/55773/ 这个Article中介绍了一个新工具,TestComplete,把其中涉及到性能计数器的部分摘抄出来了.分三部分 1, Windows Performance Counters Describes counters that the test engine retrieves from applications and computers running under a Windows operati

Linux下Nagios的安装与配置[转]

一.Nagios简介 Nagios是一款开源的电脑系统和网络监视工具,能有效监控Windows.Linux和Unix的主机状态,交换机路由器等网络设置,打印机等.在系统或服务状态异常时发出邮件或短信报警第一时间通知网站运维人员,在状态恢复后发出正常的邮件或短信通知. Nagios原名为NetSaint,由Ethan Galstad开发并维护至今.NAGIOS是一个缩写形式: "Nagios Ain't Gonna Insist On Sainthood" Sainthood 翻译为圣徒

java性能监控工具jcmd-windows

jcmd Sends diagnostic command requests to a running Java Virtual Machine (JVM). Synopsis jcmd [-l|-h|-help] jcmd pid|main-class PerfCounter.print jcmd pid|main-class -f filename jcmd pid|main-class command[ arguments] Description The jcmd utility is

java性能监控工具jcmd-linux

jcmd Sends diagnostic command requests to a running Java Virtual Machine (JVM). Synopsis jcmd [-l|-h|-help] jcmd pid|main-class PerfCounter.print jcmd pid|main-class -f filename jcmd pid|main-class command[ arguments] Description The jcmd utility is