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https://issues.apache.org/jira/browse/LUCENE-6107?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Adrien Grand updated LUCENE-6107:
---------------------------------
Attachment: LUCENE-6107.patch
Updated patch that removes the total count which is not super useful and
removes the use of LongAdder in favour of volatile variables which are updated
under the lock, just like ramBytesUsed.
> Add statistics to LRUFilterCache
> --------------------------------
>
> Key: LUCENE-6107
> URL: https://issues.apache.org/jira/browse/LUCENE-6107
> Project: Lucene - Core
> Issue Type: Improvement
> Reporter: Adrien Grand
> Assignee: Adrien Grand
> Priority: Minor
> Attachments: LUCENE-6107.patch, LUCENE-6107.patch
>
>
> It would be useful to have statistics about the usage of the filter cache to
> figure out whether the cache is useful at all and to help tune filter caching
> policies.
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