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How EJB improve efficiency when user loading is incresing?

  
Total Answers and Comments: 2 Last Update: April 04, 2007     Asked by: Kulwant 
  
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September 17, 2005 13:19:25   
CDT        

RE: How EJB improve efficiency when user loading is i...
In plain English I think this question is asking how EJB is more efficient as user load increases. The correct answer is pooling. Pooling is implemented differently across application server implementations and slightly different for each type of EJB but the basic premise is that EJBs are instantiated through the home interface when called. In the case of stateful session beans user state data is passivated (swapped to persistent storage) so that the bean can service other users until the first user performs another action. For CMP EJBs a similar pooling concept exists except using store and load to get the data that a given user needs. These are just two examples but the short answer to the question is pooling.
 
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April 04, 2007 03:03:23   
Sony V George        

RE: How EJB improve efficiency when user loading is i...
We can improve efficency through Pooling. If you are asking how we can balance the load we can do it through clustering so that we can balance the load. this one will reduce the server balancing. You can take either one .
 
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Latest Answer : We can improve efficency through Pooling. If you are asking how we can balance the load, we can do it through clustering so that we can balance the load. this one will reduce the server balancing. You can take either one . ...
Read Answers (2) | Asked by : Kulwant

How can i maintain a user session b/w servlets and stateful session ejbs? (both are on different layers i.e web layer and EJB layer

Hi, if a user-transaction is started in one method (say method1) of stateless/stateful session bean, and ended in methodN, can methodN get info. of all the methods the actual transaction traversed through?
Read Answers (1) | Asked by : hmashruf

What is the difference between Stateful session Bean and Bean Managed Persistence Entity Bean. A stateful session bean can retain the session of a user. So what is purpose of using a BMP or CMP entity bean.


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