Quote: segmented LRU: protected segment of cache hits; halves cache size; two disk accesses tend to indicate many disk accesses

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During analyses of workload traces, we observed that … the cache. The problem with LRU caches is … have a higher probability of being reused. … An SLRU cache [segmented LRU] is divided into two … [Data moves to the protected segment after a cache hit and return to the probationary segment when flushed.] … [p. 46] we find that for small cache sizes … [in the range of 2 to 8 Mbytes] …   Google-1   Google-2

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