Ehcache is mainly used to cache database access, and the same query statement only needs to query the database once, which improves the query speed.

Oscache mainly caches pages, which can cache the whole page, or specify a certain part of the page and its expiration time, so that the data accessed during this time period are the same.

Hibernate2 advocated the use of ehcache before.

After Hibernation 3, Oscar was advocated.

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