[jira] [Reopened] (SOLR-9844) Improve FieldCache usage API response

["Varun Thacker (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/SOLR-9844?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Varun Thacker reopened SOLR-9844:
---------------------------------

The total size should be calculated only when list entries is needed. This optimization was made in SOLR-9374 and we should respect that

> Improve FieldCache usage API response
> -------------------------------------
>
>                 Key: SOLR-9844
>                 URL: https://issues.apache.org/jira/browse/SOLR-9844
>             Project: Solr
>          Issue Type: Improvement
>      Security Level: Public(Default Security Level. Issues are Public) 
>            Reporter: Varun Thacker
>            Assignee: Varun Thacker
>            Priority: Minor
>             Fix For: 6.4
>
>         Attachments: SOLR-9844.patch, SOLR-9844.patch, Screen Shot 2016-12-11 at 6.00.36 PM.png
>
>
> We know the size of each entry in the fieldCache and display that on the admin UI screen under Plugin/Stats -> fieldCache currently.
> We also show the total entries count. Lets also show the total size of the cache . 
> This is valuable information to tell users how much heap memory is being occupied by the fieldCache.



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