[jira] [Assigned] (SOLR-13433) Optionally track and expose ram usage for filter and query result caches

["Andrzej Bialecki (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/SOLR-13433?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Andrzej Bialecki  reassigned SOLR-13433:
----------------------------------------

    Assignee: Andrzej Bialecki   (was: Shalin Shekhar Mangar)

> Optionally track and expose ram usage for filter and query result caches
> ------------------------------------------------------------------------
>
>                 Key: SOLR-13433
>                 URL: https://issues.apache.org/jira/browse/SOLR-13433
>             Project: Solr
>          Issue Type: Improvement
>            Reporter: Shalin Shekhar Mangar
>            Assignee: Andrzej Bialecki 
>            Priority: Major
>             Fix For: master (9.0), 8.2
>
>
> One can enable maxRamMB on filter and query result caches and in that case the ram usage of the caches is maintained and exposed as well as the entries are evicted according to overall ram usage. However, the two features need not be coupled together i.e. tracking and exposing ram usage can be a separate feature from evicting by ram usage.
> I propose to add an optional {{showRamUsage}} to filter and query result caches that can be enabled to expose ram size of the cache. The default will be off but if {{maxRamMB}} is set then {{showRamUsage}} is automatically set to true.



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