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Posted to dev@lucene.apache.org by "Adrien Grand (JIRA)" <ji...@apache.org> on 2014/12/17 11:53:13 UTC
[jira] [Created] (LUCENE-6118) Improve efficiency of the history
structure for filter caching
Adrien Grand created LUCENE-6118:
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Summary: Improve efficiency of the history structure for filter caching
Key: LUCENE-6118
URL: https://issues.apache.org/jira/browse/LUCENE-6118
Project: Lucene - Core
Issue Type: Improvement
Reporter: Adrien Grand
Assignee: Adrien Grand
Priority: Minor
The filter caching uses a ring buffer that tracks frequencies of the hashcodes of the most-recently used filters. However it is based on an ArrayDeque<Integer> and a HashMap<Integer> which keep on (un)wrapping ints. Since the data-structure is very simple, we could try to do something better...
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