Mismatched Expiry Times Between the Front and Back Caches in a Near Cache Can Lead to Entries Not Being Refreshed As Expected
Last updated on FEBRUARY 24, 2017
Applies to:Oracle Coherence - Version 22.214.171.124.2 and later
Information in this document applies to any platform.
In a Coherence environment using the refresh-ahead feature in the back cache of a Near cache, the entries in the cache are not refreshed during the refresh-ahead interval, hence when the entries expire there is a performance penalty for subsequent hits as they need to be refreshed from the database.
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