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cache and pool

eswar kumar
Ranch Hand

Joined: Oct 20, 2002
Posts: 98
what is the difference betweeen caching and instance pooling ?
Lasse Koskela

Joined: Jan 23, 2002
Posts: 11962
Caching = Storing data locally (in memory) to prevent recurring database queries when the data changes infrequently in the database.
Instance pooling = Re-using object instances to prevent the overhead of creating new objects for each incoming request.

Author of Test Driven (2007) and Effective Unit Testing (2013) [Blog] [HowToAskQuestionsOnJavaRanch]
I agree. Here's the link:
subject: cache and pool
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