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

[Brian Stansberry (JIRA)]

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

Brian Stansberry updated JBCACHE-826:
-------------------------------------

    Fix Version/s:     (was: 2.0.0.GA)

Changing the Fix Version to unknown.  The new region manager stuff in HEAD uses ConcurrentHashMap; I'll add a 1.4.2 fix version to this issue if we decide to do a 1.4.2; otherwise I'll close it as Out of Date.

> 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: Brian Stansberry
>            Priority: Minor
>
> 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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