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https://issues.apache.org/jira/browse/SOLR-3486?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13283142#comment-13283142
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Shawn Heisey commented on SOLR-3486:
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This is an awesome idea. SOLR-3393 is a new implementation of LFUCache, I'll
have to figure out how to include this, unless you want to give it a try.
> The memory size of Solr caches should be configurable
> -----------------------------------------------------
>
> Key: SOLR-3486
> URL: https://issues.apache.org/jira/browse/SOLR-3486
> Project: Solr
> Issue Type: Improvement
> Components: search
> Reporter: Adrien Grand
> Priority: Minor
> Attachments: SOLR-3486.patch
>
>
> It is currently possible to configure the sizes of Solr caches based on the
> number of entries of the cache. The problem is that the memory size of cached
> values may vary a lot over time (depending on IndexReader.maxDoc and the
> queries that are run) although the JVM heap size does not.
> Having a configurable max size in bytes would also help optimize cache
> utilization, making it possible to store more values provided that they have
> a small memory footprint.
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