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From "Randy Watler (JIRA)" <jetspeed-...@portals.apache.org>
Subject [jira] Created: (JS2-500) DB Page Manager should optionally cache negative hits to limit DB lookups.
Date Thu, 16 Feb 2006 07:51:00 GMT
DB Page Manager should optionally cache negative hits to limit DB lookups.
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         Key: JS2-500
         URL: http://issues.apache.org/jira/browse/JS2-500
     Project: Jetspeed 2
        Type: Improvement
  Components: PSML  
    Versions: 2.1-dev    
    Reporter: Randy Watler
 Assigned to: Randy Watler 
    Priority: Minor
     Fix For: 2.1


Depending on profiling rules, the Page Manager may be asked repeatedly to lookup folders that
do not exist. Since these negative hits are not cached, a query to the DB will be used to
verify the fact that the folder does not exist each time. This could impact J2 performance
for large numbers of concurrent users.

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