Tag Archives for Performance Metrics

Microsoft’s Hyper-V Performance — Introduction

If you are interested in the performance of Microsoft’s Hyper-V virtualization solution, Mark Friedman, our Founder and CTO,  recently put Microsoft’s Hyper-V virtualization technology through its paces, subjecting it to a series of CPU and memory stress tests. These tests are similar to the ones he used to evaluate the performance of VMware ESX  to help […]

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Performance Sentry Cumulative Maintenance Released

Demand Technology Software announced a cumulative maintenance distribution encompassing fixes and enhancements to the Performance Sentry collection service, Performance Sentry Administration, the Performance Sentry Web Portal, and the NTSMF PDB data utilities. It is available immediately for download for both new and existing customers. The Performance Sentry collection service version 4.0.0.15, which is included in […]

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Demand Technology Software Announces v2.4 of the Performance Sentry Web Portal

Cape Coral, Florida, United States – Version 2.4 of the Performance Sentry Web Portal is available today, Demand Technology Software announced. It is available for download for both new and existing customers. The Performance Sentry Web Portal is a web front end to the company’s Microsoft SQL Server-based Performance Database (PDB), which can be configured […]

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Help! Do you know if there are any interesting Active Directory Objects or Counters?

NTDS is the main source of information on Active Directory traffic to and from Domain Controllers. It contains a ton of interesting looking counters. Unfortunately, there is not much written that documents AD performance issues and how to use these counters. This TechNet overview article is a good place to start. There are two main […]

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How does the Module filter work?

Unless you are prepared to deal with much larger Performance Sentry data files than usual, you should use appropriate filter settings when you collect Module data. Collecting the Module information is costly, and the average Windows Server executable routinely loads 50-100 assorted DLLs. Please be careful with this new function and implement a Module filter […]

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What does the Module collection function do?

A performance data Object called Module is created internally, when you include the Module Object in your Data Collection Set (DCS) data definition. Each instance of the Module Object shows a load module name, usually a DLL (dynamically linked library module) that is loaded within the specific process. The Module Object also has a parent […]

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I see a value of 2.63 in the Ave Disk Queue Length Counter field. How should I interpret this value?

The Ave Disk Queue Length Counter is derived from the product of Avg.Disk sec/Transfer) times Disk Transfers/sec, the average response of the device times the I/O rate. This corresponds to a well-known theorem of Queuing Theory called Little’s Law, which states: N = l * Sr where N is the number of outstanding requests in […]

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What do I need to do to monitor my servers running MS Exchange, SQL Server, or IIS?

Everything you need to monitor Windows Servers running MS Exchange, SQL Server, IIS, or any other application is included in Performance Sentry. You only need to assign a Data Collection set (DCS) appropriate to the application that runs on these servers to start gathering data on these applications.

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What key metrics in Windows I should collect and report on?

Once Performance Sentry is installed and you are able to collect and process Windows performance data on a consistent basis, it is a good idea to familiarize yourself with some of the more important data elements that you will be collecting with Performance Sentry. There are several ways to approach this. To help you get […]

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