layout

title

folder

permalink

pumlid

categories

tags

pattern

Caching

caching

/patterns/caching/

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Other

Java

Difficulty-Intermediate

Performance

Intent

To avoid expensive re-acquisition of resources by not releasing the resources immediately after their use. The resources retain their identity, are kept in some fast-access storage, and are re-used to avoid having to acquire them again.

Applicability

Use the Caching pattern(s) when

Repetitious acquisition, initialization, and release of the same resource causes unnecessary performance overhead.

Credits