"jguser" wrote : | We have a average of a 16.88 of difference between de ConnectionCount and InUseConnectionCount | What does 16.88 mean here ? "jguser" wrote : | Anyone can tell me wich is the behavior of the connection pool?? When he creates new connection that re don't realy needs? | | Thanks When IdleRemover is called, the PoolFiller thread will clean the idle connection which are below the min-pool-size and also recreate them. So during the IdleRemover kicking the connections would be created which might not really used. You can have a look at the <strict-min-pool> parameter for the Jboss5 here http://www.jboss.org/community/docs/DOC-9349 If you can provide the clearer details I can assist you more ;) View the original post : http://www.jboss.org/index.html?module=bb&op=viewtopic&p=4216352#... Reply to the post : http://www.jboss.org/index.html?module=bb&op=posting&mode=reply&a...