[jboss-jira] [JBoss JIRA] Commented: (JBCACHE-826) RegionManager region map should be ConcurrentReaderHashMap
[ http://jira.jboss.com/jira/browse/JBCACHE-826?page=comments#action_12355173 ]
Brian Stansberry commented on JBCACHE-826:
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Same thing needs to be done in 1.4.x for the marshalling region manager. If both
marshalling and eviction are enabled, each request will have to do at least two gets on a
synchronized map.
RegionManager region map should be ConcurrentReaderHashMap
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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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