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https://issues.apache.org/jira/browse/SOLR-3053?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13202899#comment-13202899
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Alexey Serba commented on SOLR-3053:
------------------------------------
There's FastLRUCache showItems parameter to display last accessed items ( see
also SOLR-2789 )
> Add Verbose MBean Stats Option to Solr Cache's
> ----------------------------------------------
>
> Key: SOLR-3053
> URL: https://issues.apache.org/jira/browse/SOLR-3053
> Project: Solr
> Issue Type: Improvement
> Reporter: Grant Ingersoll
> Priority: Minor
>
> Sometimes when debugging, it would be nice if we could get stats about what
> is actually in the Solr cache, or at least the size of some of the bigger
> items. For instance, on the filterCache, it is nice to know what the size of
> the DocSets are. This can be helpful for debugging heap related issues.
> The proposed way of doing this is to make a config option that, when set to
> true, spits out appropriate information. It's not totally clear what the
> best way to implement this is to be generic for the objects in the cache, but
> I have some code now that does this when the value in the cache is a DocSet,
> which is the primary thing I happen to care about at the moment. I'm open to
> suggestions and could also be talked out of this all together.
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