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Tip of the Day
Language: Web
Expertise: Intermediate
Dec 29, 2016

Activate Hibernate Second Level Cache for EHCache

By default, in Hibernate the second level cache is disabled and there is no default implementation for it. Therefor you'll need a third part implementation. In order to activate the second level cache (entities caching) you need to set the following Hibernate property:

hibernate.cache.use_second_level_cache=true

In order to cache the query results as well, you need to set the following property:

hibernate.cache.use_query_cache=true

If you want Hibernate to cache reference entries (entities that are immutable, doesn't contain any associations and are read-only), then you need to set the following property:

hibernate.cache.use_reference_entries=true

Finally, you need to set the factory class of your cache provider (e.g. EHCache, Hazelcast, etc), like below (EHCache):

hibernate.cache.region.factory_class=org.hibernate.cache.ehcache.EhCacheRegionFactory
Octavia Anghel
 
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