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performance query

 
Fatema Moosa
Greenhorn
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Hello,

Please could you help me with answer to this question -

Your company has recently released the first version of a company's web site. The application behaved really well on a company's QA box, but is experiencing severe performance problems on the production box.
Which one of the following is NOT a possible source of the performance problem referred to above?
Choice 1 There is a bigger JDBC connection pool on the production box than on the QA box.
Choice 2 There are different versions of a database driver on the production box and on the QA box.
Choice 3 There is more data to be loaded from the production database than on the QA database.
Choice 4 There is a problem with the network between the database and the application server.
Choice 5 There are more concurrent users on the production box than on the QA box.
 
Peter Johnson
author
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And the answer is ***.

But seriously, what is your analysis of each of the choices? Which ones do you think are possible, and why. And which ones are you not sure about, and why are you not sure?
 
Ernest Friedman-Hill
author and iconoclast
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So where are you getting all these questions? What's the deal?
 
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