http://www.loadtesting.info What performance engineers, computer system load testers, and capacity managers need to know. en-us Copyright 1998-2009 Wilson Mar. All Rights Reserved. Mon, 07 Dec 2009 12:00:00 GMT Mon, 07 Dec 2009 12:00:00 GMT wilsonmar@gmail.com (Wilson Mar) http://www.wilsonmar.com/perftest_project_impediments.htm http://www.wilsonmar.com/perftest_project_impediments.htm Here is a list of impediments which have occurred during performance testing projects and what load testers can do to proactively prevent them and reactively respond to them. Thu, 6 Nov 2008 12:00:00 GMT http://www.wilsonmar.com/perftest.htm http://www.wilsonmar.com/perftest.htm Here are notes on how to conduct performance testing and capacity planning. . Sections include Information Flows & Roles, Roles in a Performance Project, Performance Within Development LifeCycles, The Context of Performance (Technology Layers), Forms/Types of Performance Testing, Load Testing Products, Capacity/Performance Mgmt. Workflow Sun, 17 Feb 2008 12:00:00 GMT http://www.wilsonmar.com/qmstages.htm http://www.wilsonmar.com/qmstages.htm Quality Management is more than just testing (a Quality Control activity). This describes the difference. More sophisticated Quality Management coincides with an organization's maturity and capability. Sun, 17 Feb 2008 12:00:00 GMT http://www.LoadTestTools.com http://www.LoadTestTools.com This page lists, describes, and compares software products for conducting load, stress, and performance testing. Sun, 17 Feb 2008 12:00:00 GMT http://www.wilsonmar.com/1ltdiag.htm http://www.wilsonmar.com/1ltdiag.htm Here is a strategy to use Mercury LoadRunner with Diagnostics, with graphic-supported explanations of the difference between diagnostics and production monitoring Business Availability products. Sun, 17 Feb 2008 12:00:00 GMT http://www.LoadRunner.Info http://www.LoadRunner.Info Here are notes on using LoadRunner for performance testing. Topics include: Installation & Configuration, Monitors, Product Versions, VuGen Recording, Controller Scenarios, Protocols, Trans. Response Times, Measurement Calcs, Measures of Variation, Analysis Module. The page features a stopwatch you can start and stop... for those times when you don't need a million-dollar piece of software. Sun, 17 Feb 2008 12:00:00 GMT http://www.vuscripting.com http://www.vuscripting.com How to write vu C scripts used in performance tesing with LoadRunner. Sun, 17 Feb 2008 12:00:00 GMT http://www.wilsonmar.com/lrerrlist.htm http://www.wilsonmar.com/lrerrlist.htm Here is a totally stand-alone ASP classic script you can drop onto your IIS or PWS server to view summary and detail error messages generated by LoadRunner. The ASP application uses several advanced ASP tricks: cookies, ADO paging, etc. Sun, 17 Feb 2008 12:00:00 GMT http://www.wilsonmar.com/lr_rpt.htm http://www.wilsonmar.com/lr_rpt.htm This page explains the sample Summary Report generated by LoadRunner and then, more importantly, explain how to make use of them to make decisions. Sun, 17 Feb 2008 12:00:00 GMT http://www.wilsonmar.com/1mercvts.htm http://www.wilsonmar.com/1mercvts.htm Here are tips and tricks to install and use the Virtual Table Server (VTS) program which maintains a virtual (in-memory) database for use by LoadRunner and Winrunner. Sun, 17 Feb 2008 12:00:00 GMT http://www.wilsonmar.com/1perfmon.htm http://www.wilsonmar.com/1perfmon.htm This is a concise reference on analyzing and tuning Microsoft Windows 2000 and Linux servers using counters and other tools for performance testing and tuning. Sections include Windows Monitoring, Unix Monitoring, Measured Objects, Log Analysis, Instrumentation Profiling Sun, 17 Feb 2008 12:00:00 GMT http://www.wilsonmar.com/perftune.htm http://www.wilsonmar.com/perftune.htm This is a concise reference on the business of tuning (tweaking) servers and applications. Topics include: Tuning Windows, Tuning Linux, Tuning Web Servers, Tuning Java pps Sun, 17 Feb 2008 12:00:00 GMT http://www.wilsonmar.com/1loadbal.htm http://www.wilsonmar.com/1loadbal.htm This page describes the different approaches to balancing load: Microsoft's Network Load Balancing services and load balancing products. Sun, 17 Feb 2008 12:00:00 GMT http://www.wilsonmar.com/1javagc.htm http://www.wilsonmar.com/1javagc.htm This page describes how to tune Sun & IBM Java VM garbage collection for optimum performance and longevity as it frees dynamically allocated memory that is no longer referenced. Topics include: Verbosity Flags. Total Heap Size. From Young to Old Permanent Generation, Concurrency Footprint Sun, 17 Feb 2008 12:00:00 GMT http://www.wilsonmar.com/lrxls2vu.htm http://www.wilsonmar.com/lrxls2vu.htm This page describes an Excel spreadsheet with VBA macros that generates LoadRunner VuGen C script to perform load testing Sun, 17 Feb 2008 12:00:00 GMT http://www.wilsonmar.com/lrexplore.htm http://www.wilsonmar.com/lrexplore.htm This page describes a C# .NET client-side program that scans and opens several drives and folders at a time to display in table form information about load test runs created by LoadRunner during performance testing. Sun, 17 Feb 2008 12:00:00 GMT http://www.wilsonmar.com/1mcp.aspx http://www.wilsonmar.com/1mcp.aspx This describes the benefits of this product for performance engineers. The architecture of the product is summarized, but each file and component is also detailed. Sample files that come with the application are presented in formats that are easy to understand. Fri, 15 Sep 2006 12:00:00 GMT http://www.wilsonmar.com/hp_mercury_diagnostics.htm http://www.wilsonmar.com/hp_mercury_diagnostics.htm This explains (without the sales hype and repetition) how to install and use HP (previous Mercury) diagnostics. The ideas, tips, quotes, and tricks here are culled from manuals and lessons learned through experience earned during customization work. Sun, 17 Feb 2008 12:00:00 GMT http://www.wilsonmar.com/database_volume_testing.htm http://www.wilsonmar.com/database_volume_testing.htm Here are notes on how to create databases for Database Volume Testing using the AdventureWorks or other sample databases. Included is an analysis of tools, metrics, and procedures. Tue, 11 Nov 2008 12:00:00 GMT http://www.wilsonmar.com/loadrunner_rendezvous.htm http://www.wilsonmar.com/loadrunner_rendezvous.htm Here is a condensed description of how to identify contention issues lurking in systems using LoadRunner's Rendezvous feature. Mon, 07 Dec 2009 12:00:00 GMT