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Eviction in 4.0  Eviction is configured by adding the element to your or configuration sections. NONE This eviction strategy effectively disables the eviction thread. UNORDERED New in Infinispan 4.1 This eviction strategy means that a simple, un-ordered data container is used. The eviction thread still runs and maintains the size of the data container within certain limits, but it selects entries for eviction in an indeterminate fashion. The benefit of this eviction strategy is that you get an efficient SimpleDataContainer which does not incur the ordering costs of FIFO or LRU, as most operations are performed in constant-time. FIFO This strategy means that entries are selected for eviction using a first-in-first-out pattern. See the Javadocs on the FIFOSimpleDataContainer for information on the algorithm used and the performance tradeoffs involved. LRU This strategy means that entries are selected for eviction using a least-recently-used pattern. See the Javadocs on the LRUSimpleDataContainer for information on the algorithm used and the performance tradeoffs involved. Tuning the eviction thread Eviction makes use of a SheduledExecutorService to kick in periodically and inspect the data container for size, and evict entries as needed. This can be tuned using the configuration element.