Archive for Performance Sentry

Will you please explain Cycle End Processing?

This discussion of Cycle End processing also considers the following subtopics: Processing multiple files Using ftp Summarization utility Historical files Using Windows Script Host (WSH) scripts At the end of each collection cycle, the Collection service closes the current collection file to make it available for processing. The end of a cycle normally is used [...]

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Counter values you need are not available in the NTSMF data collection file

This procedure is for diagnosing data collection problems where the Counter values you need are not available in the NTSMF data collection file and not visible in System Monitor either. If you are still not able to collect the missing Objects and Counters after you have followed all the steps in this procedure, please contact Customer [...]

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Data Execution Prevention (DEP) details, issues, and options

Data Execution Prevention (DEP) is a relatively new feature of both Intel and AMD hardware that is supported beginning with Windows Server 2003 Service Pack 1 and Windows XP Service Pack 2. DEP is a set of related hardware and software features designed to make it more difficult for malicious programs to execute sensitive code [...]

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Use DmPerfss.cfg to exclude Performance Library DLLs that cause collection problems

NTSMF version 2.4.6 and higher utilizes a facility that allows you to specifically exclude Performance Library DLLs that cause collection problems. Instructions to exclude specific Performance Library (Perflib) DLLs are contained in an optional configuration file named DmPerfss.cfg that is stored in the NTSMF root directory. The format of theDmPerfss.cfg file, which use a simple XML [...]

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What is the minimum sampling period for Performance Sentry?

The minimum collection interval for Performance Sentry and NTSMF is 1 second.  However, in most cases collecting at a 1 second interval may not be practical. For customers who do require less than 60 second sample intervals we recommend that they pare their data collection sets down to the absolute minimum number of counters for collection.   [...]

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Is the Performance Sentry User Guide available online

Yes, the Performance Sentry User Guide can be viewed here. You can download other documentation at www.demandtech.com/downloads under ‘Documentation’.

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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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What is the meaning of the message “Insufficient data in performance name table” in the NTSMF.LOG File?

Sometimes the following message is displayed in the “.Log” file: 04/14/08-13:44:04 – Event ID: 2900, Category: Perf Text, Severity: Error Insufficient data in performance name table Concerning the message “Insufficient data in performance name table” refers to the file perfc009.dat that resides in the <Windows>system32 folder. This file contains the names of all installed objects and counters. The [...]

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Why is Performance Sentry not collecting a specific performance counter (or counters) that I need to look at?

There are a number of reasons why Performance Sentry may not be collecting some performance Counter or Counters that you need to look at. Sometimes the reason is fairly trivial and easy to rectify. Sometimes the reason is more difficult to determine. Sometimes, it is a problem with the Performance Sentry collection service itself, which we want you [...]

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Is Performance Sentry compatible with the Microsoft Cluster Server?

Yes. Microsoft Corp. defines a server “cluster” as a group of independent servers managed as a single system for higher availability, easier manageability and greater scalability. The minimum requirements for a server cluster, according to Microsoft, are (a) two servers connected by a network, (b) a method for each server to access the other’s disk [...]

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