[jboss-jira] [JBoss JIRA] Closed: (JBCACHE-826) RegionManager region map should be ConcurrentReaderHashMap

Tue Mar 6 15:13:27 EST 2007

     [ http://jira.jboss.com/jira/browse/JBCACHE-826?page=all ]

Manik Surtani closed JBCACHE-826.
---------------------------------

    Resolution: Done
      Assignee: Manik Surtani  (was: Brian Stansberry)

> RegionManager region map should be ConcurrentReaderHashMap
> ----------------------------------------------------------
>
>                 Key: JBCACHE-826
>                 URL: http://jira.jboss.com/jira/browse/JBCACHE-826
>             Project: JBoss Cache
>          Issue Type: Task
>      Security Level: Public(Everyone can see) 
>            Reporter: Brian Stansberry
>         Assigned To: Manik Surtani
>            Priority: Minor
>             Fix For: 1.4.1.SP3
>
>
> The regionMap in o.j.c.eviction.RegionManager is a Collections.synchronizedMap.  This should be a ConcurrentReaderHashMap.  If eviction is used, for every call the EvictionInterceptor makes a call that ends up doing a lookup in this map, so the synchronization becomes a choke point.
> I already made this change in HEAD along with some refactoring work on eviction configuration.

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