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https://issues.apache.org/jira/browse/SOLR-2906?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Erick Erickson updated SOLR-2906:
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Attachment: SOLR-2906.patch
Here's what I had in mind, at least I *think* this will do but all I've done is
insured that the code compiles and the current LFU test suite runs.
Look in the diff for "timeDecay".
This still needs some proof that the new parameter comes through from a schema
file. Let me know if that presents a problem or if you can't get 'round to it,
I might have some time over Christmas.
I think maybe you were under the impression that this had already been done and
were looking for it to be in the code already?
> 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,
> 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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