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Posted to solr-dev@lucene.apache.org by "Grant Ingersoll (JIRA)" <ji...@apache.org> on 2009/08/13 16:10:15 UTC

[jira] Closed: (SOLR-667) Alternate LRUCache implementation

     [ https://issues.apache.org/jira/browse/SOLR-667?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Grant Ingersoll closed SOLR-667.
--------------------------------


> Alternate LRUCache implementation
> ---------------------------------
>
>                 Key: SOLR-667
>                 URL: https://issues.apache.org/jira/browse/SOLR-667
>             Project: Solr
>          Issue Type: New Feature
>          Components: search
>    Affects Versions: 1.3
>            Reporter: Noble Paul
>            Assignee: Yonik Seeley
>             Fix For: 1.4
>
>         Attachments: ConcurrentLRUCache.java, ConcurrentLRUCache.java, ConcurrentLRUCache.java, SOLR-667-alternate.patch, SOLR-667-alternate.patch, SOLR-667-updates.patch, SOLR-667.patch, SOLR-667.patch, SOLR-667.patch, SOLR-667.patch, SOLR-667.patch, SOLR-667.patch, SOLR-667.patch, SOLR-667.patch, SOLR-667.patch, SOLR-667.patch, SOLR-667.patch, SOLR-667.patch, SOLR-667.patch
>
>
> The only available SolrCache i.e LRUCache is based on _LinkedHashMap_ which has _get()_ also synchronized. This can cause severe bottlenecks for faceted search. Any alternate implementation which can be faster/better must be considered. 

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