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performance comparison to older online legacy system  RSS feed

 
randy wilson
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We are converting (re-architecting) an old UNIX based COBOL on-line system (VSAM files) to be web based J2EE database and need a proven way to measure response time. Any suggestions out there?
 
Wouter Zelle
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Do you want to have a set of performance metrics that you can update whenever you make changes or do you want to run one-off tests? The most interesting approach might be to combine Unit tests with performance measuring. This allows you to have rigorous regression tests for both functionality and performance.
You can time Unit tests using JUnitPerf:
http://www.clarkware.com/software/JUnitPerf.html
There are various approaches to testing EJB, you can find Unit testing tools here:
http://www.junit.org/news/extension/j2ee/index.htm
[ April 29, 2003: Message edited by: Wouter Zelle ]
 
Stepan Samarin
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Try some load testing tools, for example RadView's WebLOAD or Grinder to name a few. Appropriate search would give you some results May be this link would help you...
http://www.theserverside.com/home/thread.jsp?thread_id=18682&article_count=14
 
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