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https://issues.apache.org/jira/browse/WICKET-201?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#action_12476580
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Matej Knopp commented on WICKET-201:
------------------------------------

I've commited a fix that removes soft reference cache from second level cache 
session store as it was causing severe performance problems. 

With current code I was able to run App1Test1 with  500 sessions (10 requests 
each) on 64MB heap with SecondLevelCacheSessionStore. I think that's great. 
Regular http session store OOMed after two minutes.

As for the performance concerns, i ran the test on 40 sessions / 100 requests:
 SecondLevelCacheSessionStore: 95043 ms
 HttpSessionStore: 78490 ms

The difference is ~18% (slightly more than johan's measurement, probably 
because of removed soft reference cache). 

> refactor storing pages and versions
> -----------------------------------
>
>                 Key: WICKET-201
>                 URL: https://issues.apache.org/jira/browse/WICKET-201
>             Project: Wicket
>          Issue Type: Bug
>            Reporter: Eelco Hillenius
>         Assigned To: Johan Compagner
>            Priority: Critical
>             Fix For: 1.3, 2.0
>
>
> See http://www.nabble.com/refactor-storing-pages-and-versions-tf2943670.html 
> for a discussion.

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