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Welcome to the OpenSTA.org portal

This Web site is the dynamic and community driven alter ego of www.OpenSTA.org as well as the home of the official OpenSTA FAQ.

OpenSTA is a distributed software testing architecture based on CORBA. OpenSTA is designed to be used by Performance Testing Consultants or other technically proficient individuals. Using OpenSTA a user can generate realistic heavy loads simulating the activity of hundreds to thousands of virtual users. This capability is fully realized through OpenSTA's distributed testing architecture.

OpenSTA graphs both virtual user response times and resource utilization information from all Web Servers, Application Servers, Database Servers and Operating Platforms under test, so that precise performance measurements can be gathered during load tests and analysis on these measurements can be performed.

OpenSTA is Open Source software licensed under the GNU General Public License. The source code is available on http://opensta.sourceforge.net/

Announcement: OpenSTA version 1.4.4 available for download
Posted by: velivis on Saturday, October 20, 2007 - 03:56 PM

I am pleased to announce this fifth release of the stable 1.4 series of OpenSTA.

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Announcement: Commercial OpenSTA Support
Posted by: velivis on Thursday, August 09, 2007 - 10:38 PM

Commercial OpenSTA Support: Funding the future of OpenSTA

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Announcement: OpenSTA at StarEast 2007 in May
Posted by: ddowning on Monday, March 12, 2007 - 12:34 PM

Performance Testing Web Applications with OpenSTA is the title of a presentation I will give at StarEast in Orlando on May 18. The abstract for the presentation is here.

This is a repeat of the one I gave at StarWest and AQAA in 2006. The presentation is available for download here.

(4836 Reads)

Performance Testing Strategies
Posted by: velivis on Monday, March 12, 2007 - 12:28 AM

The terminology used to discuss Performance testing in technical publications and support forums can be ambiguous or inconsistent. Hopefully this article will help participants in the OpenSTA user support forum by providing a common frame of reference for discussing tools, testing, and test results. It may also be helpful to those new to performance testing.

(10092 Reads)

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Review: OpenSTA featurette in eWeek Labs article
Posted by: dansut on Wednesday, July 12, 2006 - 05:10 PM

In an article comparing and performance testing various IT stacks (.Net, LAMP, etc) written by Jim Rapoza there is a nice little feature block on OpenSTA. The benchmarks were actually done using SilkPerformer, but OpenSTA obviously impressed the author enough to provide this plug

The featurette on OpenSTA can be read online here. From that page you can also click through to the interesting performance test article.

(6654 Reads)

Announcement: OpenSTA Overview Presentation at Dallas Metro-SQA
Posted by: JeffJewell on Friday, February 10, 2006 - 09:06 PM

On February 8, 2006, I gave an overview of OpenSTA and its capabilities to the Dallas Metro-SQA group. The presentation is available for download.

(10613 Reads)

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OpenSTA in the news
Posted by: velivis on Tuesday, October 25, 2005 - 01:21 PM

WebSphere System Integration Testing with OpenSTA (a success story).

(10418 Reads)

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Example: Creating an OpenSTA response time report using an Excel pivot table
Posted by: velivis on Thursday, August 25, 2005 - 10:45 PM

This article describes how to use an Excel pivot table to generate a report from data exported from OpenSTA. The report shows average, min and max response times, standard deviation, and count of samples by user by timer. The spreadsheet can be downloaded from http://iperformax.com/downloads/OpenSTAPivotTable.zip

Note: Performax provides software load testing, performance analysis, tuning, optimization, and characterization services to help our clients build, market, and deploy highly scalable applications. Read about OpenSTA quick start training.

(23615 Reads)

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Announcement: BView updated for OpenSTA 1.4.3
Posted by: dansut on Thursday, June 09, 2005 - 11:02 PM

BView is a browser view for the OpenSTA Script Modeler, allowing scripts to be monitored while run from this tool. This can help with debugging scripts. This new BView release (1.0.3) is available from the OpenSTA Contributed Software page.

(11527 Reads)

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Announcement: Release 1.4.3 available
Posted by: dansut on Thursday, May 12, 2005 - 11:15 PM

I am pleased to announce this fourth release of the stable 1.4 series of OpenSTA.
This release has been a long time coming but it should be the start of a new active period in OpenSTAs upkeep and development. The release rights some inconvenient issues that arrived with use on WinXP, fixes some old bugs, and generally improves stability specifically in the area of recording. It is recommended that all users upgrade to this release.

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