Does Stateful Session bean support instance pooling


Answer posted by Mohan on 2005-05-21 19:24:23: All Beans support Instance Pooling
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Mohan

  • May 21st, 2005
 

All Beans support Instance Pooling

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raj

  • Jul 4th, 2005
 

statefull session bean does not maintain instance pooling, stateless session beans and entity beans can maintain instance pooling

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Vj

  • Jul 22nd, 2005
 

EJB does indeed support the effect of pooling stateful session beans.Only a few instances can be in memory when there are actually many clients. But this pooling effect does not come for free---the passivation/activation steps could entail an input/output bottleneck. Contrast this to stateless session beans, which are easily pooled because there is no state to save. 
Quoted verbatim from Mastering Enterprise JavaBeans (Third Edition) by, Ed Roman, Rima Patel Sriganesh, Gerald Brose[B]null[/B]

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