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https://issues.apache.org/jira/browse/LUCENE-1749?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12732297#action_12732297
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Mark Miller edited comment on LUCENE-1749 at 7/16/09 6:35 PM:
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We prob would want to provide an alternate toString that includes the ram guess 
and the default that skips it - i havn't tested performance, but it might take 
a while to check a gigantic string array.

Also, JavaImpl should probably actually be JavaMemoryModel or MemoryModel.

      was (Author: markrmil...@gmail.com):
    We prob would want to provide an alternate toString that includes the ram 
guess and the default that skips it - i havn't tested performance, but it might 
take a while to check a gigantic string array.
  
> FieldCache introspection API
> ----------------------------
>
>                 Key: LUCENE-1749
>                 URL: https://issues.apache.org/jira/browse/LUCENE-1749
>             Project: Lucene - Java
>          Issue Type: Improvement
>          Components: Search
>            Reporter: Hoss Man
>            Priority: Minor
>             Fix For: 2.9
>
>         Attachments: fieldcache-introspection.patch, LUCENE-1749.patch
>
>
> FieldCache should expose an Expert level API for runtime introspection of the 
> FieldCache to provide info about what is in the FieldCache at any given 
> moment.  We should also provide utility methods for sanity checking that the 
> FieldCache doesn't contain anything "odd"...
>    * entries for the same reader/field with different types/parsers
>    * entries for the same field/type/parser in a reader and it's subreader(s)
>    * etc...

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