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From "Noble Paul (JIRA)" <j...@apache.org>
Subject [jira] Updated: (SOLR-667) Alternate LRUCache implementation
Date Wed, 29 Oct 2008 17:54:44 GMT

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

Noble Paul updated SOLR-667:
----------------------------

    Attachment: SOLR-667.patch

run cleanup in new thread

> 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: Shalin Shekhar Mangar
>             Fix For: 1.4
>
>         Attachments: ConcurrentLRUCache.java, ConcurrentLRUCache.java, ConcurrentLRUCache.java,
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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