[jboss-jira] [JBoss JIRA] Commented: (JBAS-2695) LRUStatefulContextCachePolicy implementation of maxBeanLife removal is flawed
[ http://jira.jboss.com/jira/browse/JBAS-2695?page=comments#action_12339639 ]
Ben Wang commented on JBAS-2695:
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Scott, what do you think? Is it relevant anymore? I'd prefer not to spend time on this
since I don't this is a big deal, per se. :-) But if it is, I can do it.
LRUStatefulContextCachePolicy implementation of maxBeanLife removal
is flawed
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Key: JBAS-2695
URL: http://jira.jboss.com/jira/browse/JBAS-2695
Project: JBoss Application Server
Issue Type: Bug
Security Level: Public(Everyone can see)
Components: EJB2
Affects Versions: JBossAS-3.2.8RC1, JBossAS-4.0.3 SP1
Reporter: Scott M Stark
Assigned To: Ben Wang
Priority: Critical
Fix For: JBossAS-4.0.5.CR1
The RemoverTask of the org.jboss.ejb.plugins.LRUStatefulContextCachePolicy performs
removal of passivated beans based on a maxBeanLife - maxBeanAge diff. This is invalid for
beans passivated due to size. The calculation should be maxBeanLife - (the per bean
instance time of inactivity). The reason is a bean may be passivated very quickly due to
cache size constraints and if the maxBeanLife - maxBeanAge == 0, just a quickly thrown
away.
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