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How to calculate space complexity for JPA
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Haseeb Yousaf
Greenhorn
Joined: Oct 31, 2011
Posts: 5
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Hi,
I am doing some performance comparisons between different JPA implementations (Hibernate, OpenJPA and Eclipse). One of the features for the comparison is the space complexity of each JPA implementation. I need some tool with the help of which I can do this kind of testing. Please any help is appreciated.
thanks
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Jeanne Boyarsky
internet detective
Marshal
Joined: May 26, 2003
Posts: 26182
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Number entities/ Number fields? Number relationships?
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Haseeb Yousaf
Greenhorn
Joined: Oct 31, 2011
Posts: 5
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The number of entities are almost 45, the number of fields are about 50 and the number of association about 20,,,
I hope that helps
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Jeanne Boyarsky
internet detective
Marshal
Joined: May 26, 2003
Posts: 26182
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I was suggesting that those numbers give you a guide as to complexity. I don't know that there is a specific formula for JPA.
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Haseeb Yousaf
Greenhorn
Joined: Oct 31, 2011
Posts: 5
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My question is if there is any way how much space the hibernate will take when the application is run and when the hibernate maps the entities to the application.
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subject: How to calculate space complexity for JPA
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