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From "Shawn Heisey (Commented) (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (SOLR-2906) Implement LFU Cache
Date Tue, 20 Dec 2011 17:46:30 GMT

    [ https://issues.apache.org/jira/browse/SOLR-2906?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13173345#comment-13173345
] 

Shawn Heisey commented on SOLR-2906:
------------------------------------

bq. Could you add in the optional time decay as Yonik suggests? I agree that it seems like
the right thing is to have this on by default. At that point, I think it'll be ready to check
in. We can add documentation as we can.

I've looked at what Yonik has said and cannot figure out what I'd have to do.  I'm not completely
ignorant, but there is a lot that I don't know.  I am amazed I was able to get this put together
at all.

                
> Implement LFU Cache
> -------------------
>
>                 Key: SOLR-2906
>                 URL: https://issues.apache.org/jira/browse/SOLR-2906
>             Project: Solr
>          Issue Type: Sub-task
>          Components: search
>    Affects Versions: 3.4
>            Reporter: Shawn Heisey
>            Assignee: Erick Erickson
>            Priority: Minor
>         Attachments: ConcurrentLFUCache.java, LFUCache.java, SOLR-2906.patch, SOLR-2906.patch,
SOLR-2906.patch, SOLR-2906.patch, SOLR-2906.patch, TestLFUCache.java
>
>
> Implement an LFU (Least Frequently Used) cache as the first step towards a full ARC cache

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