Computer Performance, Health Checks

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Performance Monitor (perfmon)

Introduction to Windows Server Performance MonitorPerformance Monitoring Perfmon

Performance Monitor (perfmon) is a powerful program found in all Microsoft servers from NT to Windows Server 2008.  I think of Performance Monitor as more of a toolbox than a single gadget.  I will let you into a secret, few people REALLY know Performance Monitor, so make a name for yourself and master this box of tricks.

The initial learning steps are steep.  To begin with, you can be overwhelmed by the variety options.  I have created a whole section dedicated to performance monitoring (left menu).  Half the pages are aimed for the beginner, with the emphasis on learning how to use Performance Monitor; while the other half is designed to show you how to use the counters to detect bottlenecks.

The Main Reasons for Performance Monitoring

  • Detecting network bottlenecks.
  • Identifying server performance problems.
  • Planning the capacity of your servers and subnets.
  • Setting alerts so that you can nip trouble in the bud.
  • Creating baselines when activity is low.
  • Understanding the effect of your workload on resources.

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Benefits of Performance Monitoring

  • Make the best use of resources.  (Load balancing)
  • Know where the minimum investment will produce the maximum gains.  (RAM on response times)
  • Understanding what components are actually doing.  (Is the Disk mainly reading or writing?)
  • Knowledge is power.  Set an alert when resources are running low.  (Memory: Available bytes less than 100 MB)
  • SolarWinds Orion family of network performance tools.
 

Guy Recommends:  A Free Trial of the Network Performance Monitor (NPM)Review of Orion NPM v12 v12

SolarWinds' Network Performance Monitor will help you discover what's happening on your network.  This utility will also guide you through troubleshooting; the dashboard will indicate whether the root cause is a broken link, faulty equipment or resource overload.

Perhaps the NPM's best feature is the way it suggests solutions to network problems.  Its second best feature is the ability to monitor the health of individual VMware virtual machines.  If you are interested in troubleshooting, and creating network maps, then I recommend that you give this Network Performance Monitor a try.

Download your free trial of SolarWinds Network Performance Monitor.

Developing your Performance Monitoring skills

There are three parts to learning your performance monitor craft, the art, the science and the knack.  At a more practical level, be clear on the question that you want to ask, and then research the best counters to answer your question.

1) The art of choosing the best objects and counters

The first skill is in choosing the right objects and the best counters to monitor.  To make sure you do not miss a vital clue be methodical and always check the 'big four' resource objects, memory, processor, disk and network. 

I will give tips on how to choose your own counters for your particular circumstances.

2) The science of building the log or alert

The scientific techniques are relatively easy to teach.  My goal will be to show you the shortest way to create logs and the easiest way of loading the logs into System Monitor.  You will also discover that performance monitor has numerous features to make collecting data easier and more profitable.

3) The knack of spotting the crucial trace that is responsible for the problem

Once you have scientifically collected the data, the art comes in interpreting the logs.  I have identified three skills which all good performance analysts possess:

  1. Knowledge of network principles and server components
  2. Natural talent for spotting something out of the ordinary
  3. Experience and confidence with performance counters

 


Download your eBook: The Art and Science of Performance Monitoring  for only $5.25

Performance MonitorLearn the secrets of which counters to monitor.  Master performance monitor logging, develop your skills with structured exercises and examples.   Print out a copy to read, while you design logs and alerts to detect network bottlenecks.

 


    Pages for Detecting Bottlenecks

  1. Memory
  2. Processor
  3. Disk
  4. Network
  5. Exchange Counters
  6. Download your eBook only $5.25
  7. Site Home

    Learning how to use Performance Monitor

  1. Getting Started
  2. Creating a Log
  3. Alerts & Data Collection Sets
  4. Monitoring Strategies
  5. Vision of Network Monitoring
  6. Windows Network Monitor
  7. Free NetFlow Traffic Analyzer
 

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Guy Recommends: SolarWinds' NPM - Review of Orion NPM
Network Performance Monitor

SolarWinds' performance monitor is designed for detecting network outages, making it easy to see what's working, and what needs your attention.

This utility guides you through creating network maps; it also helps identifying whether the root cause is faulty equipment, or resource overload. Give NPM a try.

Download a free trial of Network Performance Monitor

Author: Guy Thomas Copyright © 1999-2017 Computer Performance LTD All rights reserved.

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