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ConcurrentLinkedHashMap

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Ben Manes edited this page Feb 1, 2015 · 7 revisions

ConcurrentLinkedHashMap

Weigher

ConcurrentLinkedHashMap requires a minimum weight of 1. Like Guava, Caffeine allows a minimum weight of 0 to indicate that the entry will not be evicted due to a size-based policy.

Asynchronous notifications

ConcurrentLinkedHashMap processes eviction notifications from a queue that any calling thread may take from. Caffeine delegates to the configured executor (default: ForkJoinPool.commonPool()).

Serialization

ConcurrentLinkedHashMap retains the entries and discards the eviction order when serializing. Caffeine, like Guava, retains only the configuration and no data.

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