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From Adib <>
Subject Understanding the Persistent Session Manager
Date Tue, 25 Jan 2011 11:32:05 GMT

I am trying to understand the settings on the persistent session
manager on tomcat 6 and 7. It seems that the persistent session
manager is primarily meant for the purpose of swapping IDLE sessions
to persistent storage and then hope that they expire, I can see the
value of this given that many users abandon sites without logging out.
It also seems that the persisent manager is not designed to persist
every session at the end of every request so that at the start of
every request the session is read from the store and the end of the
request the session is written to store, is this understanding

I have also been puzzling over the meanings of maxIdleSwap vs.
maxIdleBackup not sure why these two settings exist or what is
difference between them and the practical use case for them? It is
clear to me what the idle session is but  what is meant by backup and
how is it different than a swap?


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