Implement Adaptive Replacement Cache
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Key: SOLR-2889
URL: https://issues.apache.org/jira/browse/SOLR-2889
Project: Solr
Issue Type: New Feature
Components: search
Affects Versions: 3.4
Reporter: Shawn Heisey
Priority: Minor
Currently Solr's caches are LRU, which doesn't look at hitcount to decide which
entries are most important. There is a method that takes both frequency and
time of cache hits into account:
http://en.wikipedia.org/wiki/Adaptive_Replacement_Cache
If it's feasible, this could be a good addition to Solr/Lucene.
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